繁體中文
不翻译
简体中文
English
繁體中文
日本語
한국어
切換到窄版

WK綜合論壇, WK综合论坛

 找回密碼
 立即注册
樓主: wk007

鄉下的妹子太便宜,一次四個都要了[12P]

[複製鏈接]
發表於 2025-1-4 03:25:35 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old0 S  \: {1 @7 L6 K8 c7 x
Boy Induced by Indirect Topical
( h) u# Y4 q/ _3 j, c, aExposure to Testosterone$ l7 Q% ^! }1 W& ?0 {* [
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2( C" p( \  ], n& x
and Kenneth R. Rettig, MD1( q8 x( }/ H, q2 d; p
Clinical Pediatrics
. Q& M0 u7 g9 q8 A2 a& RVolume 46 Number 6
2 \2 g. {( a: }3 Y  u5 IJuly 2007 540-543# r9 Z; U: q, \1 a
© 2007 Sage Publications
6 G+ m5 V" q* k2 J- b0 @. J' ]10.1177/00099228062966514 b; E" J$ L/ m1 C
http://clp.sagepub.com
# s7 R% s& h" r! X# lhosted at0 }6 [( I8 t6 ?2 G: i7 {2 ~
http://online.sagepub.com( }" `! W$ M0 a4 |& q
Precocious puberty in boys, central or peripheral,
* G' r. s1 q! k- H% Yis a significant concern for physicians. Central
4 B. G  `& t$ Z) y4 H' Rprecocious puberty (CPP), which is mediated
7 q- h% |9 V2 {/ T3 jthrough the hypothalamic pituitary gonadal axis, has
- u* X) h1 T+ F" @, Da higher incidence of organic central nervous system
3 m. _; Z. P: t7 v3 slesions in boys.1,2 Virilization in boys, as manifested
; e/ n0 D! W: }( k3 iby enlargement of the penis, development of pubic
" k& V/ r7 Q* j4 C" Fhair, and facial acne without enlargement of testi-* B; _) J2 Z  X+ g+ c) ^
cles, suggests peripheral or pseudopuberty.1-3 We
  C, x, B/ {. w. H9 O$ p! _* D: L- x" freport a 16-month-old boy who presented with the
; Z( l4 z9 v' e5 tenlargement of the phallus and pubic hair develop-
( F/ P  ^4 e+ ]! e2 c0 p: a' v# L$ yment without testicular enlargement, which was due0 F  q) C+ I4 a* }% G2 I5 `  `% R' m% _
to the unintentional exposure to androgen gel used by
4 L/ X& \3 a$ s. L, rthe father. The family initially concealed this infor-
5 x2 j8 B! k; ?; o1 U7 j$ lmation, resulting in an extensive work-up for this
" ^/ L$ @0 I2 F8 t) Q" Gchild. Given the widespread and easy availability of8 R. o) X) M4 d& P6 }& A
testosterone gel and cream, we believe this is proba-
+ P+ C3 y$ R, l; ~5 ?8 t+ z0 Nbly more common than the rare case report in the( n6 x' Z5 Y/ X
literature.4! ~+ e0 w5 n) A+ z1 N6 A
Patient Report
9 K# b6 Z7 A9 T! `# EA 16-month-old white child was referred to the9 w9 i6 j% a# D1 H; X9 n% R
endocrine clinic by his pediatrician with the concern/ t; v# r6 u( P: w  d/ U7 q7 k2 S% u
of early sexual development. His mother noticed, q( h6 W' c4 G- G' u
light colored pubic hair development when he was
( O% y7 @! W4 Y5 H1 ]( xFrom the 1Division of Pediatric Endocrinology, 2University of- g( L/ h0 G' s$ G( e8 R6 R
South Alabama Medical Center, Mobile, Alabama.; q6 l1 j; b  `' v) n! a6 K
Address correspondence to: Samar K. Bhowmick, MD, FACE,3 ~- |( l9 R; O. a
Professor of Pediatrics, University of South Alabama, College of1 T; L1 M- ?2 o
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
# S- o* S. H7 Ee-mail: [email protected].
: p1 n$ I/ P& P. {. Iabout 6 to 7 months old, which progressively became6 Y5 o/ w2 Y" v5 e" {% U
darker. She was also concerned about the enlarge-2 ?( y8 z. o' u3 |; s; s4 K
ment of his penis and frequent erections. The child
0 E6 z8 S) n( z, gwas the product of a full-term normal delivery, with
' t+ a7 J$ }0 b+ a* l/ O- J  e# Ma birth weight of 7 lb 14 oz, and birth length of
; f+ e' Y- g; f4 u$ `$ v; U/ B20 inches. He was breast-fed throughout the first year1 ]# D" }. V! h/ H
of life and was still receiving breast milk along with
* c- C; _: [' x/ U+ e8 Usolid food. He had no hospitalizations or surgery,9 x5 K& G0 \: e5 @
and his psychosocial and psychomotor development6 \: R4 h9 m6 _; ^) u2 [  e9 I# j) }; y
was age appropriate.
/ E0 }# k' u3 N4 F9 K, R& _The family history was remarkable for the father,- V- z5 [4 R' N
who was diagnosed with hypothyroidism at age 16,- d! @; M, u/ C. A) B; F2 [. l; V3 Q
which was treated with thyroxine. The father’s
' H4 X7 X0 o6 o# }- {% l1 L7 a" [! Lheight was 6 feet, and he went through a somewhat
) Z: H" X) j0 |* q! z0 zearly puberty and had stopped growing by age 14.# M$ t+ _1 Q* @  Z% f4 Z& F
The father denied taking any other medication. The
- Y9 v9 ^1 f" u9 tchild’s mother was in good health. Her menarche
! T: y, \7 ^3 _( a% x  \5 P* mwas at 11 years of age, and her height was at 5 feet1 f; o; f  I' K% C% s
5 inches. There was no other family history of pre-
2 F! E' x/ s: S( m4 W1 d  s, {cocious sexual development in the first-degree rela-
! G8 ~* |1 y) X* U  rtives. There were no siblings.# E  `1 D% G! z5 _
Physical Examination
3 c2 @; |  p& A7 B' g( |$ I' k7 }The physical examination revealed a very active,
8 {$ J1 h5 ^1 Q7 [playful, and healthy boy. The vital signs documented+ _; r+ u( U' G0 k5 g- @1 v" ~
a blood pressure of 85/50 mm Hg, his length was
$ Y" G- q/ N3 w, E  o+ |4 {90 cm (>97th percentile), and his weight was 14.4 kg
4 r, D$ }5 X5 ?6 ~# z& e5 c(also >97th percentile). The observed yearly growth8 ?9 B$ L% N% u0 z- w2 r8 J- c
velocity was 30 cm (12 inches). The examination of; N. W( N" s  H2 A
the neck revealed no thyroid enlargement.
( |5 S* V- V+ C; L% b3 ~  r  C& YThe genitourinary examination was remarkable for) `* g9 Z2 t. M1 O, I; m, {" g4 c
enlargement of the penis, with a stretched length of
  l" [0 w+ d1 g8 cm and a width of 2 cm. The glans penis was very well! C% q! c) J$ A# m1 a" J9 J; \2 e
developed. The pubic hair was Tanner II, mostly around. m8 h9 c% X+ i: d2 m
540
! T5 X  d# G( l1 u" }! c8 R. Pat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
0 [- u) J3 Q& G% _- [the base of the phallus and was dark and curled. The
- P1 g  f: @, ^5 Atesticular volume was prepubertal at 2 mL each./ N/ q; r0 A9 F
The skin was moist and smooth and somewhat
3 X/ \7 m9 ^3 i8 G4 G! ~, h  }oily. No axillary hair was noted. There were no( u% Y  D: [- B; [
abnormal skin pigmentations or café-au-lait spots.
) A) b* ]7 ?2 p) {2 R+ fNeurologic evaluation showed deep tendon reflex 2+. g7 F- E4 g. F. ^: Y" f+ ^7 S
bilateral and symmetrical. There was no suggestion
2 }  ?& a& n8 ~3 W" }" g: [of papilledema.
( }/ L2 a- Z! _: r+ X7 r& oLaboratory Evaluation/ Y0 ?2 M2 E* X$ j% o
The bone age was consistent with 28 months by
5 k5 t. Q6 Q& A: M8 M2 Wusing the standard of Greulich and Pyle at a chrono-
1 [$ G0 B, d5 y3 dlogic age of 16 months (advanced).5 Chromosomal
9 @- S' c( E" M3 m0 Ykaryotype was 46XY. The thyroid function test1 n' H/ ?7 b. S# ]: `( m/ M4 g: g
showed a free T4 of 1.69 ng/dL, and thyroid stimu-4 A  m6 z9 h/ c& n  g9 q$ C
lating hormone level was 1.3 µIU/mL (both normal).
6 y/ Z" e/ T0 T1 h; e+ C$ uThe concentrations of serum electrolytes, blood6 A& ~# _2 N* L/ A9 \, l
urea nitrogen, creatinine, and calcium all were
% u! S3 t( R% Z! E5 Zwithin normal range for his age. The concentration
9 Y# E! O7 f# h! l- vof serum 17-hydroxyprogesterone was 16 ng/dL
4 a# }# T, Y! c. a0 u" W: c/ P(normal, 3 to 90 ng/dL), androstenedione was 20
6 b" r& y+ ]( v7 Hng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-: T( u/ P* o5 u: d# {. E$ ]. y
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
% Y1 m4 e# {' B% ]+ _+ _desoxycorticosterone was 4.3 ng/dL (normal, 7 to
" t6 A) C. U+ d1 D) r49ng/dL), 11-desoxycortisol (specific compound S)" t- O" A- B# P6 g" R
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
- f  \, x! w7 T* ?tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
: ?; ?# H6 Z3 A) R9 W) }6 P% etestosterone was 60 ng/dL (normal <3 to 10 ng/dL),! O3 i* J& n7 N0 }
and β-human chorionic gonadotropin was less than/ l7 c4 U" L9 K
5 mIU/mL (normal <5 mIU/mL). Serum follicular0 `0 V: l$ h! w( c
stimulating hormone and leuteinizing hormone" V! {7 l* M% J2 k- |, ^' o
concentrations were less than 0.05 mIU/mL
1 {# p/ `- B0 Y: F: x* b(prepubertal).
% g! U! I+ o) F1 u) \The parents were notified about the laboratory3 R( Z+ N6 w$ K  o4 E% j
results and were informed that all of the tests were
% x  n% A$ a3 g. l, s5 nnormal except the testosterone level was high. The- E. c  _& a- E# C* T$ ]" E0 A
follow-up visit was arranged within a few weeks to
; g6 y; i8 ?* ^obtain testicular and abdominal sonograms; how-
. V$ ]4 G; x  o% e- F) l$ fever, the family did not return for 4 months.
, [  k4 B9 {. S* H5 j0 E7 [: WPhysical examination at this time revealed that the0 F0 y4 N% b+ E
child had grown 2.5 cm in 4 months and had gained
3 C3 \* Y% L1 b4 Q# y" c2 kg of weight. Physical examination remained
- B4 I" V1 j8 r1 x4 l9 Z, c5 k6 Z8 punchanged. Surprisingly, the pubic hair almost com-9 N3 T, `8 L7 Y5 {, {$ W" \
pletely disappeared except for a few vellous hairs at. H$ n! L2 f% ?8 a
the base of the phallus. Testicular volume was still 2# J" l4 ^! Q5 x) I
mL, and the size of the penis remained unchanged.
: Y" }; |: T$ n0 C- `/ xThe mother also said that the boy was no longer hav-  ~: s* s& Y. N0 q9 [+ v( Y
ing frequent erections.8 [7 c9 ?( X' A; f8 G% H! H  t4 i; ~
Both parents were again questioned about use of
7 O( P9 S1 ^' m* o! x/ nany ointment/creams that they may have applied to
; t0 ^% S( q% ~1 X6 T* Qthe child’s skin. This time the father admitted the5 N$ ~5 k- p2 C* s) @* }1 U
Topical Testosterone Exposure / Bhowmick et al 541
# ]9 S9 s, G3 |, euse of testosterone gel twice daily that he was apply-6 ]& a, I  A4 \. f# [+ m6 a& B
ing over his own shoulders, chest, and back area for
- r& s( L, I  S. y0 X& E! ga year. The father also revealed he was embarrassed
" G7 E/ Z; i8 ~7 b8 ato disclose that he was using a testosterone gel pre-, n9 x8 b1 j7 L+ f1 \. t
scribed by his family physician for decreased libido
: p' R$ H7 ^$ T' }& Psecondary to depression./ k# b- E7 [9 }$ s9 D
The child slept in the same bed with parents.
8 l: ^. R4 z7 K. R4 |The father would hug the baby and hold him on his  r! [: R( `/ E+ c
chest for a considerable period of time, causing sig-
3 c; k0 O5 E, _  _' \nificant bare skin contact between baby and father.
7 Y1 ?8 R, {& J6 [4 W% vThe father also admitted that after the phone call,
7 U" e, `8 o! h7 K! gwhen he learned the testosterone level in the baby0 v4 G1 w& i( j% K
was high, he then read the product information
; s( ~" E9 `# H8 D- x% g9 X1 n& |packet and concluded that it was most likely the rea-! o6 N  G5 a* f. r8 O
son for the child’s virilization. At that time, they( E3 P& R: X9 r7 R
decided to put the baby in a separate bed, and the! N4 `( E( [1 q- ~3 @
father was not hugging him with bare skin and had9 R' n: O* ]) \( L, a9 }3 t: i# @
been using protective clothing. A repeat testosterone
* d# [9 I3 y, D2 M( ^# utest was ordered, but the family did not go to the
1 `5 a3 C. m/ Z. R/ ]) vlaboratory to obtain the test.
! }6 u8 \+ g  x/ T! u) q/ EDiscussion
2 h0 M- T- w# B  U- u- XPrecocious puberty in boys is defined as secondary
) l+ q+ a7 Y/ L8 \! Q4 M2 tsexual development before 9 years of age.1,4" a( d1 n, I1 U0 `8 J) N" G. W7 z
Precocious puberty is termed as central (true) when# H4 q4 {5 F" `+ O
it is caused by the premature activation of hypo-( A0 s, j1 A2 [% X4 \
thalamic pituitary gonadal axis. CPP is more com-
! [) K# k) x2 q: x& \, emon in girls than in boys.1,3 Most boys with CPP
4 y+ q  H% ?5 i/ S% W! v; ymay have a central nervous system lesion that is5 Y7 d) i4 n, ^
responsible for the early activation of the hypothal-1 \  `7 O/ S, J- M
amic pituitary gonadal axis.1-3 Thus, greater empha-0 Q. J1 Y( v4 z7 D7 P/ Z1 r
sis has been given to neuroradiologic imaging in
  w! m% q% T3 k4 q. z; s/ Uboys with precocious puberty. In addition to viril-
7 R, K8 h9 i! }) ?) ?9 b9 ^3 hization, the clinical hallmark of CPP is the symmet-+ n$ f4 }5 Q- V( ^+ r6 A
rical testicular growth secondary to stimulation by
' f* c! d- L0 b2 h! l4 tgonadotropins.1,3
! ?  y3 F8 y3 ]/ WGonadotropin-independent peripheral preco-
5 p7 Y# P1 S2 P+ G, ^cious puberty in boys also results from inappropriate
: v. y3 w' x6 Y) g  o. ]& d# ~2 ]androgenic stimulation from either endogenous or) d( Q+ O8 a# U$ M/ o
exogenous sources, nonpituitary gonadotropin stim-" K0 N8 P9 N3 c3 R1 |
ulation, and rare activating mutations.3 Virilizing9 j  f2 T$ K( d2 a) N5 c% V
congenital adrenal hyperplasia producing excessive$ ?' p0 Q; I9 e1 k- O
adrenal androgens is a common cause of precocious6 D! v9 c% r! o( _: n% A
puberty in boys.3,4
! e) R' p  i) U# v$ c) n0 g. rThe most common form of congenital adrenal+ g' `! h% d0 o# M8 P9 @
hyperplasia is the 21-hydroxylase enzyme deficiency.
7 [" W/ F3 D- o5 R( tThe 11-β hydroxylase deficiency may also result in
3 X6 |7 ^7 Y. yexcessive adrenal androgen production, and rarely,
0 x' L/ L; J8 Z% m% San adrenal tumor may also cause adrenal androgen
. d; h8 q$ a, V/ }+ E- j" u" Cexcess.1,3- P3 S* v' Y2 ]
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
/ `7 T) U$ G$ X% h  e8 Z* e542 Clinical Pediatrics / Vol. 46, No. 6, July 2007, I  `: w9 `% P( o# ~3 a+ H
A unique entity of male-limited gonadotropin-( l, q6 c' y4 H; _; y
independent precocious puberty, which is also known
9 T$ `! V( G$ V% Kas testotoxicosis, may cause precocious puberty at a
; E8 `$ X. O3 {7 gvery young age. The physical findings in these boys& c& |  p( s: R7 m
with this disorder are full pubertal development,- _* G; X( m1 O  q& q
including bilateral testicular growth, similar to boys
( h" V/ Q# {5 P0 Qwith CPP. The gonadotropin levels in this disorder
  ~9 ^+ L. x# {. T5 Vare suppressed to prepubertal levels and do not show. A- [0 I6 k( s" F/ F, O  v3 M# i6 z
pubertal response of gonadotropin after gonadotropin-
: p4 {2 ?. ~: i$ rreleasing hormone stimulation. This is a sex-linked
, L0 w0 J% n+ d: {+ P3 Vautosomal dominant disorder that affects only' \# F$ f1 \- w% w
males; therefore, other male members of the family) z: {" D/ }& e
may have similar precocious puberty.30 S- J+ q+ _  _$ g: c# x, A
In our patient, physical examination was incon-2 H+ Q3 Q  I7 K& b3 m" S& P" G
sistent with true precocious puberty since his testi-
$ g; o  M, x  e. w  |cles were prepubertal in size. However, testotoxicosis, L. F6 e% t" G/ _
was in the differential diagnosis because his father
1 f) _* x1 }' ?0 d$ u. D7 Vstarted puberty somewhat early, and occasionally,
1 \. K2 x: Z: J8 q/ y# utesticular enlargement is not that evident in the) w) h) k' I/ m/ c7 D0 |. E6 A" @5 [
beginning of this process.1 In the absence of a neg-' c* k+ D9 V- T! P: v% l! P" |2 W
ative initial history of androgen exposure, our  x: ~: i3 X! H& I7 J- {+ S: o  S
biggest concern was virilizing adrenal hyperplasia,* f1 z) K' c' [4 k4 i0 s8 _  j
either 21-hydroxylase deficiency or 11-β hydroxylase
; _1 {5 k; n9 x9 ~deficiency. Those diagnoses were excluded by find-. p) f" B* Y# k* G& q
ing the normal level of adrenal steroids.4 G# C+ f7 \! {, P3 S8 y- o9 W
The diagnosis of exogenous androgens was strongly" k/ T* Q+ W* U0 p
suspected in a follow-up visit after 4 months because
- n! V( T$ x) G! `the physical examination revealed the complete disap-3 w/ i* F& x+ I1 ]
pearance of pubic hair, normal growth velocity, and5 F1 H4 R" Y6 [
decreased erections. The father admitted using a testos-8 ~2 M3 R; s1 ^( p6 \9 a
terone gel, which he concealed at first visit. He was, @1 ]  \) t( v2 T0 f
using it rather frequently, twice a day. The Physicians’, I* Y6 {( k5 w$ V1 D
Desk Reference, or package insert of this product, gel or
9 c( d$ i+ L! c( t1 P7 Xcream, cautions about dermal testosterone transfer to! Y- T7 S$ Y5 R3 ?6 y0 p
unprotected females through direct skin exposure.( X  ]  H* G! L5 c8 b% d, Z/ L' G
Serum testosterone level was found to be 2 times the
3 \3 b) c. g% Mbaseline value in those females who were exposed to4 j" p9 [: u/ r3 Z
even 15 minutes of direct skin contact with their male
+ b4 z1 a! Q  |& v; B/ E* ^9 E  P' n; Qpartners.6 However, when a shirt covered the applica-
) g0 [) T. j2 Jtion site, this testosterone transfer was prevented.9 ]) L7 u) K) ^$ \0 g7 t
Our patient’s testosterone level was 60 ng/mL,
9 \0 ]. d4 g9 O4 d9 }' twhich was clearly high. Some studies suggest that) Z, ]2 n1 ?, ?# s& m
dermal conversion of testosterone to dihydrotestos-
# J9 u- X1 i# x# [terone, which is a more potent metabolite, is more
& K' I, p2 I3 bactive in young children exposed to testosterone2 `7 M4 w  K$ D7 j& w: l
exogenously7; however, we did not measure a dihy-
$ s3 w$ t  d  O9 O8 p+ A4 bdrotestosterone level in our patient. In addition to
/ q0 C8 q* j5 [3 A# ?' }5 b( kvirilization, exposure to exogenous testosterone in
+ K+ w% F$ d1 N- p/ K# i' V& Nchildren results in an increase in growth velocity and
- K8 p$ k; s1 A9 [1 radvanced bone age, as seen in our patient.: p6 |0 x: i5 e! d7 w1 Z1 D
The long-term effect of androgen exposure during
; `) C" m3 }+ b# W; mearly childhood on pubertal development and final( N+ u$ t8 |$ x& a" r% t
adult height are not fully known and always remain
( j2 Q6 [1 u0 H3 e$ y/ qa concern. Children treated with short-term testos-6 K+ l5 }( T, M9 n5 l1 E5 _; m4 B2 T
terone injection or topical androgen may exhibit some$ Z3 x3 t9 B1 A
acceleration of the skeletal maturation; however, after1 h! A& D. l: v
cessation of treatment, the rate of bone maturation
) X. ~" M* C9 _decelerates and gradually returns to normal.8,9
" D# U3 B/ a4 @There are conflicting reports and controversy/ w& h' ?3 v: D4 E, k
over the effect of early androgen exposure on adult
8 R) E. F9 z* ^, ]7 x& tpenile length.10,11 Some reports suggest subnormal
1 i) A& l1 M! Y3 ?2 S: q) F/ }adult penile length, apparently because of downreg-( M1 R( [9 d+ E! g+ M# h7 r$ `! c  E( `
ulation of androgen receptor number.10,12 However,7 L1 s& [: a( ~8 w
Sutherland et al13 did not find a correlation between
* D) q( z0 `8 [! i5 R6 a  Q) D  l+ ichildhood testosterone exposure and reduced adult
, l# q" M. D' I1 Ypenile length in clinical studies.  U) w: z6 C" c  g* [
Nonetheless, we do not believe our patient is
1 f& w; g3 e- k8 B  zgoing to experience any of the untoward effects from4 f: H: u/ o) Y, i9 o7 a  n9 @
testosterone exposure as mentioned earlier because
: [) L1 ^# X* f- ^2 qthe exposure was not for a prolonged period of time.
8 H1 n0 {; K3 `% s9 k/ [  M# ^  o  jAlthough the bone age was advanced at the time of  t' N& C# o) j( Q$ x
diagnosis, the child had a normal growth velocity at3 P( ?% I- Y1 A
the follow-up visit. It is hoped that his final adult
( F' z& f  E( h' e6 c4 O6 uheight will not be affected.' [% B& X% [' o" `4 L
Although rarely reported, the widespread avail-. ~" C. Y% m$ J2 v5 B8 O
ability of androgen products in our society may
; L! r2 Z3 t/ x( [indeed cause more virilization in male or female
; p  S$ W: D/ R3 w+ nchildren than one would realize. Exposure to andro-+ S% G, g: U/ J4 D1 Q. w
gen products must be considered and specific ques-
$ d* {, `1 i4 E; Ptioning about the use of a testosterone product or: d; |" o, c6 {2 g2 ~* Y
gel should be asked of the family members during/ r6 d. {' E' _; f- }9 Z) t
the evaluation of any children who present with vir-
1 a* N+ S3 A& g, s) A' N1 x0 Lilization or peripheral precocious puberty. The diag-
% a4 p( w* S$ E- ~4 Hnosis can be established by just a few tests and by
& F: R/ ?. x! x5 R9 j" Sappropriate history. The inability to obtain such a
  r  s; Y. K: v% u! [2 A. d1 [, mhistory, or failure to ask the specific questions, may
7 s# L9 _5 z) g2 v) B- H+ Nresult in extensive, unnecessary, and expensive
6 L- M. A  ^) ]investigation. The primary care physician should be# ]0 l% U  s# Y/ ]- z
aware of this fact, because most of these children
6 c5 l# j* V, Y& Dmay initially present in their practice. The Physicians’
  f0 A' E- k9 z+ k% |6 b& k) ADesk Reference and package insert should also put a, o- r1 q# U: O4 i7 A# d
warning about the virilizing effect on a male or
' e9 ]+ a0 E3 V+ p  R! Ofemale child who might come in contact with some-& a% A* q$ A, X2 A) `
one using any of these products.
: _4 G# X( y: O, s6 kReferences7 L' A/ U  `, T- n% X0 |
1. Styne DM. The testes: disorder of sexual differentiation
& |7 o4 D* U/ R6 Oand puberty in the male. In: Sperling MA, ed. Pediatric3 M" y7 \, k6 I7 W5 _
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;8 _% c. S9 l1 Y! q7 O. W0 H" l
2002: 565-628.
% W% G6 J% o8 c& C2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
2 F) N/ n' h' m% E3 [& w! p; epuberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old
$ |5 t! T' M' N) g7 r- n0 ?Boy Induced by Indirect Topical& H/ o! M  I6 f# ^
Exposure to Testosterone
6 `" C- O4 R7 }- q. z6 l8 A$ GSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
2 U8 o  C  \( s/ d8 }and Kenneth R. Rettig, MD1
4 ]7 x: m. o, KClinical Pediatrics! C, j* _! i& a& j/ h
Volume 46 Number 65 x, g; @( e. F# C4 p$ F
July 2007 540-543
& ?$ g# O" E& G: h) O& p3 H© 2007 Sage Publications
/ y. h9 Y' H: U; ?& i* K4 ?10.1177/00099228062966513 p! o! X( j& a5 d$ J- S6 @; W
http://clp.sagepub.com
4 ?  N) t  w4 G8 D6 Uhosted at9 t: B! r; T% m3 s6 k. E: x- a
http://online.sagepub.com# {) L( o- `* u0 h, \. }0 e
Precocious puberty in boys, central or peripheral,+ \3 ~/ F* Z# `! B. R
is a significant concern for physicians. Central# x6 ^. l. o- X; h- p0 ^2 T( y
precocious puberty (CPP), which is mediated
' W, h% V( I4 G2 j3 L- J/ Hthrough the hypothalamic pituitary gonadal axis, has
- Y1 t2 p9 j. g5 h4 O1 Q5 }a higher incidence of organic central nervous system7 k8 e0 L1 k; q: g8 k
lesions in boys.1,2 Virilization in boys, as manifested
0 w& K8 S/ N2 n1 J  ~6 Cby enlargement of the penis, development of pubic
) N) o% O; U+ E# J/ khair, and facial acne without enlargement of testi-/ v8 }$ b3 n2 X
cles, suggests peripheral or pseudopuberty.1-3 We
  ]$ T! O, S* m2 K, e  Y$ treport a 16-month-old boy who presented with the+ R7 c) Z( J( r. H* g! g# U
enlargement of the phallus and pubic hair develop-
' i5 G: @7 A9 q0 Z9 e" iment without testicular enlargement, which was due* U4 D) V- e2 r( |. @" e% X: c+ p/ f
to the unintentional exposure to androgen gel used by
1 h+ Y- a1 R3 Fthe father. The family initially concealed this infor-
! F3 z2 w4 y/ u5 _) F0 qmation, resulting in an extensive work-up for this
- }. |, q" b# Dchild. Given the widespread and easy availability of+ J% N) v/ I% q- Z2 k! Q
testosterone gel and cream, we believe this is proba-% Q1 c. p  y5 o) \4 E! L
bly more common than the rare case report in the
) x2 {# V3 h9 K0 S  @literature.4
' _5 ]1 P9 M$ \5 p; BPatient Report
, K8 A$ Q  o/ P/ Y2 ]) FA 16-month-old white child was referred to the4 ]( W+ V. g. k/ v) A" I
endocrine clinic by his pediatrician with the concern! Y( D5 B; F, L3 P( E# `9 g& M
of early sexual development. His mother noticed
7 l- ?: Y8 ], l7 |. G9 o  wlight colored pubic hair development when he was
1 x: T. `. W3 t5 c7 f) M2 p. bFrom the 1Division of Pediatric Endocrinology, 2University of
# i6 Y2 \2 z- G! C* D2 ESouth Alabama Medical Center, Mobile, Alabama.
1 d$ t3 X$ I9 b& `7 o' XAddress correspondence to: Samar K. Bhowmick, MD, FACE,1 C" ^0 F) r! B
Professor of Pediatrics, University of South Alabama, College of
3 v$ \3 _0 i* oMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
( @5 g( g; S1 ~" B0 C$ L* Le-mail: [email protected].8 L6 L" q( R! Z3 g& C% c
about 6 to 7 months old, which progressively became# I8 l9 g* t! z, [, m; g
darker. She was also concerned about the enlarge-
, e+ ]% T6 H5 ?$ g/ y$ j2 Vment of his penis and frequent erections. The child
" i; o: F/ w+ ?: i8 k0 awas the product of a full-term normal delivery, with) l( g- C7 u1 E4 |4 _5 I  ^4 `
a birth weight of 7 lb 14 oz, and birth length of
! g( H; A" x4 @20 inches. He was breast-fed throughout the first year. F) I( s& {0 h& Z
of life and was still receiving breast milk along with
2 ]6 c% L2 k$ ^! q! h/ gsolid food. He had no hospitalizations or surgery,7 b0 h  ~! v, K  ^0 l  g
and his psychosocial and psychomotor development
* f# n. g6 O6 A; p7 g, ywas age appropriate." I' G8 {% A2 l  G7 u
The family history was remarkable for the father,& M* {5 S& F7 H4 w6 h+ D
who was diagnosed with hypothyroidism at age 16,! J" ]$ E5 P9 }
which was treated with thyroxine. The father’s
" t" F$ X; `1 I  Wheight was 6 feet, and he went through a somewhat
+ a4 ]5 P$ K: P; m9 p; ~* W* dearly puberty and had stopped growing by age 14.& U$ `$ S6 I+ o& h. w" h: C0 I
The father denied taking any other medication. The
* V  m6 |8 E- F* ?1 ?( b+ ichild’s mother was in good health. Her menarche% X6 u. }! ~8 r% c3 w) C
was at 11 years of age, and her height was at 5 feet$ R5 F( ~/ j. ~
5 inches. There was no other family history of pre-4 y8 w) a4 _$ e$ R. S) ~) y
cocious sexual development in the first-degree rela-5 f4 ?8 ^! Z, f# O
tives. There were no siblings.
7 a- U, {) @, ^9 P' @7 j/ vPhysical Examination
- r, |1 u- Y6 E% k' ~The physical examination revealed a very active,
) x' Q$ N. _+ E( @% X5 y" |playful, and healthy boy. The vital signs documented
4 F- e  W: l$ \* J/ Fa blood pressure of 85/50 mm Hg, his length was* t5 [7 d6 |; w' k; H
90 cm (>97th percentile), and his weight was 14.4 kg
, V9 ]3 g8 i& A: R2 \(also >97th percentile). The observed yearly growth" e' y( F* n* \
velocity was 30 cm (12 inches). The examination of- I) s' d- S& }9 Z8 Y2 |# N8 e8 [# O
the neck revealed no thyroid enlargement.9 S0 G3 W) ^, x4 @1 ^6 z
The genitourinary examination was remarkable for/ j, b. w4 f1 h) y5 \" z2 Z
enlargement of the penis, with a stretched length of
7 d+ j8 p2 v( M/ C4 W5 M8 cm and a width of 2 cm. The glans penis was very well
0 v+ }6 ^8 a$ ?) k6 Qdeveloped. The pubic hair was Tanner II, mostly around
7 d. s; a- I# u2 `+ P. T540
" a0 y1 D& T/ m# G0 ~9 aat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
' P- k- i. R  G2 w$ Hthe base of the phallus and was dark and curled. The7 ~, ?% I' @6 n! _: L0 ?6 m" Z- [
testicular volume was prepubertal at 2 mL each.
3 F0 _3 J3 P3 u7 |# JThe skin was moist and smooth and somewhat
; h" C; d: U) v3 A, foily. No axillary hair was noted. There were no
. B+ G; o" I5 n+ \7 Z% U1 p# iabnormal skin pigmentations or café-au-lait spots.5 v3 B, w4 x# e
Neurologic evaluation showed deep tendon reflex 2+# n- _$ B# p: h. R% q0 H
bilateral and symmetrical. There was no suggestion' e2 M8 w* X1 ^5 o9 W$ F0 g
of papilledema.+ j  F  n4 B/ }: e& I8 Q
Laboratory Evaluation
% Z) ?" ]4 S/ b; V! CThe bone age was consistent with 28 months by, H3 E1 M; Y' A$ c. J) H6 }/ a& K7 A; i
using the standard of Greulich and Pyle at a chrono-
& h9 X$ m6 i$ l+ O: F) q) ulogic age of 16 months (advanced).5 Chromosomal
: C6 e0 o, ]9 S7 v: Pkaryotype was 46XY. The thyroid function test3 e5 X5 m$ a  w. l1 A
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
/ v/ g$ ?- ~& x0 L$ |lating hormone level was 1.3 µIU/mL (both normal).
2 u1 r, }' u2 i6 [. U  p9 C1 SThe concentrations of serum electrolytes, blood% @! O" ^& p7 D7 ]
urea nitrogen, creatinine, and calcium all were
0 }1 P2 E" L% }# j+ `  n5 a! awithin normal range for his age. The concentration. b8 m+ y  a. [! p  x% K
of serum 17-hydroxyprogesterone was 16 ng/dL" j( P% ]3 q0 L! d( l0 s
(normal, 3 to 90 ng/dL), androstenedione was 20; j- y9 Y: y, N
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
0 q5 o% P2 l' w/ iterone was 38 ng/dL (normal, 50 to 760 ng/dL),6 ?6 r. v4 D' ]2 b) G7 V: J
desoxycorticosterone was 4.3 ng/dL (normal, 7 to2 `0 C+ i4 K2 P4 V/ q
49ng/dL), 11-desoxycortisol (specific compound S)
$ k, g# n9 I1 j9 l% o8 l9 gwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-! u  ^+ z' @7 V$ Z
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total8 U2 o5 T) z2 h' H! z" v+ C6 f
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
' w% C5 @7 m( @- W& j; i1 iand β-human chorionic gonadotropin was less than
* I, i+ Y$ I0 K' A5 mIU/mL (normal <5 mIU/mL). Serum follicular  v2 @& Q; B( k$ T
stimulating hormone and leuteinizing hormone* K7 [9 @/ A5 Z5 M/ G$ m/ U
concentrations were less than 0.05 mIU/mL
  [+ s# W" E6 }(prepubertal).
; W$ ]% X% E" vThe parents were notified about the laboratory
! q+ I1 m8 q; ]" W% T2 \% _results and were informed that all of the tests were
  S& g0 T2 [6 U. h- J5 s( H( Lnormal except the testosterone level was high. The
# X9 ^( H" {, p. k5 cfollow-up visit was arranged within a few weeks to
, }$ G0 I# m) b6 u2 `% |$ Gobtain testicular and abdominal sonograms; how-
( Y6 k2 \# e  L% R% ^ever, the family did not return for 4 months.
8 ]" [5 N* Q( i9 k0 M) P% ?Physical examination at this time revealed that the
+ E& c  ]# l- ~# o1 Ochild had grown 2.5 cm in 4 months and had gained3 h0 u  ~0 l  z9 d
2 kg of weight. Physical examination remained
% N0 O% G3 {/ L' b' gunchanged. Surprisingly, the pubic hair almost com-
- t* _& x0 m/ y: Epletely disappeared except for a few vellous hairs at
* G6 G% E2 ^) U' H- u$ Mthe base of the phallus. Testicular volume was still 2" h2 r- _. c5 z3 M. c! \
mL, and the size of the penis remained unchanged.' U$ B7 l% Q9 h' @9 x
The mother also said that the boy was no longer hav-6 _( _0 O( B0 w7 R$ _2 N
ing frequent erections.
  a/ p, j6 B0 J, ?Both parents were again questioned about use of8 w0 x4 W2 r% M" r
any ointment/creams that they may have applied to
: d- ~- Q# B4 \2 J0 w5 o# Pthe child’s skin. This time the father admitted the" I* M/ x) \7 u5 k# o+ ~
Topical Testosterone Exposure / Bhowmick et al 541
9 F) j7 {, y5 Z& luse of testosterone gel twice daily that he was apply-
/ a9 g- _: K* f  `& e5 Uing over his own shoulders, chest, and back area for
/ R6 K; @/ v3 ]: g9 j; Aa year. The father also revealed he was embarrassed
" y! P! O! |2 R9 g) S; P0 A" Cto disclose that he was using a testosterone gel pre-
  q5 z2 V- M7 f8 u$ T( Ascribed by his family physician for decreased libido- j* [6 Q7 k7 |" r% [( [* I
secondary to depression.
% v! I# ]/ |2 X- ?+ MThe child slept in the same bed with parents.' }# m+ a2 [$ n8 e- T' |
The father would hug the baby and hold him on his- U% H" u( x! Z0 A9 k
chest for a considerable period of time, causing sig-
7 J" M, z' {! n( {7 v" g9 ^8 m- inificant bare skin contact between baby and father.$ v: t7 G2 t1 w) x
The father also admitted that after the phone call,
) }1 S, G- P  I1 _! l! wwhen he learned the testosterone level in the baby
, e$ [, N  q3 A% H% s% ywas high, he then read the product information: l! o. t- j( O# @" H
packet and concluded that it was most likely the rea-
0 ^2 }+ B+ C; b9 M8 J" k' Ison for the child’s virilization. At that time, they
# I7 n4 m* G/ g) ~5 \decided to put the baby in a separate bed, and the/ n, l+ N- {  o$ t7 S
father was not hugging him with bare skin and had1 ]( O+ S6 d1 ^$ L$ V( _7 }
been using protective clothing. A repeat testosterone
, e2 D9 n. k& X' K" Ytest was ordered, but the family did not go to the
+ O6 G) a* I# E) h7 u8 Z7 mlaboratory to obtain the test.
/ {" |$ l- Z% D3 x; v: r5 ~Discussion5 {; G' O% I% r9 L1 o; V8 S7 ?
Precocious puberty in boys is defined as secondary4 u( C2 J0 s6 r3 k- C0 W" H) |4 Z5 D
sexual development before 9 years of age.1,42 P1 J& N$ C0 ?
Precocious puberty is termed as central (true) when: C$ Z) \7 k( h) _
it is caused by the premature activation of hypo-
. B: T+ b+ E/ d6 Z& B& x5 R2 Fthalamic pituitary gonadal axis. CPP is more com-3 u5 ?6 }* \8 Z5 b
mon in girls than in boys.1,3 Most boys with CPP+ t; s$ |% K4 K$ b5 c& U2 f5 c
may have a central nervous system lesion that is0 S2 k" q/ t& h$ W' w4 S2 s  t% h
responsible for the early activation of the hypothal-
: P1 z9 A4 p" x% Q5 damic pituitary gonadal axis.1-3 Thus, greater empha-
2 k0 I4 N, ^4 u: I, O- Gsis has been given to neuroradiologic imaging in
, k4 M7 ^* d; h2 ^% |  w$ m7 Iboys with precocious puberty. In addition to viril-2 o# ~! [+ s% q- \9 x# A/ B8 G
ization, the clinical hallmark of CPP is the symmet-  s& I8 X7 ]4 ]1 `: G9 U" h- C- n
rical testicular growth secondary to stimulation by
0 B( E5 e6 W4 }( v5 |gonadotropins.1,33 V6 M6 q8 T% W* H( S
Gonadotropin-independent peripheral preco-( v# J% J5 X0 u7 p8 r$ ]
cious puberty in boys also results from inappropriate
4 g" c* r2 F! X( J, _% Uandrogenic stimulation from either endogenous or1 {1 x* A( Y- d& n& t8 l7 Z5 g
exogenous sources, nonpituitary gonadotropin stim-
9 C/ l% S' w0 A6 ]$ Lulation, and rare activating mutations.3 Virilizing
7 {6 u# l5 F, O2 s$ I4 f8 rcongenital adrenal hyperplasia producing excessive
$ h) I! s- j2 f8 H1 Ladrenal androgens is a common cause of precocious: ~# t3 E; D  T  ?8 v9 q
puberty in boys.3,4
9 {% ~* V" V' B- L: G4 Y& wThe most common form of congenital adrenal
+ e9 G9 n& }5 O/ shyperplasia is the 21-hydroxylase enzyme deficiency.
3 i9 n; P! v7 g) `The 11-β hydroxylase deficiency may also result in
/ S9 d: Y  N3 x- {2 Q& sexcessive adrenal androgen production, and rarely,
3 ?9 T& d; Y$ I; X# man adrenal tumor may also cause adrenal androgen
+ M: v$ @& T% _- S0 W5 R* c2 wexcess.1,3: \3 F1 x* T) v+ ?2 c5 i2 S  X, p
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from8 f8 q' P- P) B0 o/ z
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007& l7 g% p  p4 ^  i; E; S; j( O" V( k
A unique entity of male-limited gonadotropin-
) Z) m$ l' I6 _$ L* y$ zindependent precocious puberty, which is also known2 v/ t' ~3 ~* }4 T
as testotoxicosis, may cause precocious puberty at a7 q# n8 E; Z2 G# [9 J6 n; f: v
very young age. The physical findings in these boys* Z2 y0 F* G! Z' i; [4 @; c
with this disorder are full pubertal development,
; W* t7 K  b4 b6 e( `) Y& F& s+ I* wincluding bilateral testicular growth, similar to boys
0 D# s& `; `) e  s6 qwith CPP. The gonadotropin levels in this disorder) Y3 x& J; X& }* k- d
are suppressed to prepubertal levels and do not show4 u4 f3 [! x. Q' @6 [5 L
pubertal response of gonadotropin after gonadotropin-
3 s% u7 [' k5 I6 R# Wreleasing hormone stimulation. This is a sex-linked* {2 P0 M. A+ ]7 R9 m2 S; C
autosomal dominant disorder that affects only7 J3 v& }( y" Z1 g0 z7 E
males; therefore, other male members of the family
% S- O5 ]' i5 n6 a, q& |may have similar precocious puberty.34 y; |$ |  u- R1 J
In our patient, physical examination was incon-
, g5 m. Z/ f1 X" p1 J+ F/ usistent with true precocious puberty since his testi-1 y0 E* w8 A6 J1 h1 I# t5 N
cles were prepubertal in size. However, testotoxicosis
' C2 I0 H, s, D/ V# Rwas in the differential diagnosis because his father- q# J' y2 h# I4 x/ \
started puberty somewhat early, and occasionally,
! R% w9 q; x8 `% ~9 l+ K/ Ktesticular enlargement is not that evident in the, ]. z1 s" y1 B6 a; g
beginning of this process.1 In the absence of a neg-0 ?4 l7 ?# k, Q' A1 z
ative initial history of androgen exposure, our
" J  V3 G$ ~- U% Z; Sbiggest concern was virilizing adrenal hyperplasia,) K4 o# b7 D& s$ d9 E2 L: ^4 @, E% P! C
either 21-hydroxylase deficiency or 11-β hydroxylase% {6 u( r" G, p" i
deficiency. Those diagnoses were excluded by find-
- V( H2 ^3 u) W: y  C: Y/ xing the normal level of adrenal steroids.+ {+ F" P. p9 l' K, ?; R
The diagnosis of exogenous androgens was strongly2 u1 D4 B# H# m2 z. F! m
suspected in a follow-up visit after 4 months because$ O9 p4 D0 X; e; ~: Y. p
the physical examination revealed the complete disap-
' m: S. T. k) v7 D( e0 [, d- K# C( x1 _pearance of pubic hair, normal growth velocity, and/ \3 v" U0 l+ J0 h# |
decreased erections. The father admitted using a testos-
/ H$ r- e- J, E6 V  x! ?8 w: `! Mterone gel, which he concealed at first visit. He was' [- u. K- x4 P  U# u) T1 |% H
using it rather frequently, twice a day. The Physicians’
! d3 U7 ]1 f% Q( U% I1 o8 fDesk Reference, or package insert of this product, gel or# k- n5 O9 y9 l' _
cream, cautions about dermal testosterone transfer to( {; M& c1 b1 u9 s
unprotected females through direct skin exposure.
. s, H! ]5 Z6 m1 w& Z% `Serum testosterone level was found to be 2 times the
, S( n5 ^! O/ e7 b. V1 q( \baseline value in those females who were exposed to
$ y/ S! u9 P6 W3 i/ b6 [+ Veven 15 minutes of direct skin contact with their male! W. r7 |3 {2 _7 A  {
partners.6 However, when a shirt covered the applica-
& X. Y( V3 I. k. {tion site, this testosterone transfer was prevented.1 P" ~$ R$ N; K' x
Our patient’s testosterone level was 60 ng/mL,
* X% Q. a, p% Swhich was clearly high. Some studies suggest that
* ], k& a; z& v  D# l- y6 Hdermal conversion of testosterone to dihydrotestos-
0 e8 i/ B! L3 s5 N3 n! Y' gterone, which is a more potent metabolite, is more
5 g" h) F5 b, f% f1 Gactive in young children exposed to testosterone% `$ R, n$ ~' P9 Y
exogenously7; however, we did not measure a dihy-
* ^" ^9 R$ X: U( E0 B4 Pdrotestosterone level in our patient. In addition to* Q( T3 p) ~' l8 ~6 T
virilization, exposure to exogenous testosterone in+ i5 I6 c& X/ b& ^/ J
children results in an increase in growth velocity and5 g% j+ r5 z8 B2 w! x# i: s
advanced bone age, as seen in our patient.- q1 z5 E" v7 v/ X
The long-term effect of androgen exposure during' Y) e' t% ~. X5 l- }1 g5 I
early childhood on pubertal development and final" W0 |0 g7 l5 L) Z3 W* p
adult height are not fully known and always remain
8 t+ o1 f& O  @a concern. Children treated with short-term testos-) a$ u' K1 d0 r3 h' G8 `) f# e
terone injection or topical androgen may exhibit some
2 x; u1 [" \4 j1 t1 m+ s7 Aacceleration of the skeletal maturation; however, after
" R3 @; j2 q& _& G: M& Pcessation of treatment, the rate of bone maturation
+ e# T( c3 N: }9 I' r+ p, m( G, Ldecelerates and gradually returns to normal.8,9
2 H0 x+ W: N1 T  L4 I3 u/ RThere are conflicting reports and controversy
+ x  @3 W+ E( U2 Y+ y0 S* Q% a' i5 pover the effect of early androgen exposure on adult
/ ~  N$ i* m/ S8 T( openile length.10,11 Some reports suggest subnormal
$ X9 y) L  P0 a" x  p+ h  f4 ~adult penile length, apparently because of downreg-
. k) b- s9 w0 o$ @9 ]$ iulation of androgen receptor number.10,12 However,
: i6 m' ~' O. h1 TSutherland et al13 did not find a correlation between
: T- u# p: j, O9 u" c5 u$ o" d5 `2 Echildhood testosterone exposure and reduced adult
' x" T" Q5 l: W+ f; `penile length in clinical studies.( S2 j. ?! {3 W* y2 t6 R. t1 D
Nonetheless, we do not believe our patient is
' ~) i& J+ ~1 Rgoing to experience any of the untoward effects from
! \0 P& @8 t7 O  f  Btestosterone exposure as mentioned earlier because
6 K2 \, I5 K& o& @" }& U3 s8 P4 Hthe exposure was not for a prolonged period of time.1 i5 `+ @! Y- `- U$ n( m2 \
Although the bone age was advanced at the time of( ~$ W" h. E+ I. v: c1 Q+ [3 a
diagnosis, the child had a normal growth velocity at
4 C( ]1 _% |+ \8 P6 zthe follow-up visit. It is hoped that his final adult
. y4 M4 i) B, V9 v6 ?) fheight will not be affected.; h. c( J8 @8 {
Although rarely reported, the widespread avail-. A0 h- h: H; V  x. D
ability of androgen products in our society may5 _% c: ^) u  V4 C8 M; v- w2 e
indeed cause more virilization in male or female! n3 z& H7 \! u9 ^( W
children than one would realize. Exposure to andro-" w6 C8 z; t" [1 B% t
gen products must be considered and specific ques-2 n) m8 n# E. q/ l9 v
tioning about the use of a testosterone product or
# r; u+ E* l/ S8 [& ggel should be asked of the family members during
7 V) t5 r2 i7 S: _5 O9 @the evaluation of any children who present with vir-0 ]& _# g" h- U9 g1 i7 C
ilization or peripheral precocious puberty. The diag-. }* ~- q  B( f2 T9 \, X3 @  e
nosis can be established by just a few tests and by+ p/ k) |" a0 n( I: G  Y
appropriate history. The inability to obtain such a
% H3 m. o, l- ~6 `history, or failure to ask the specific questions, may; f+ Y2 j9 F) M. g( q0 T
result in extensive, unnecessary, and expensive; P2 D6 ]9 w$ S/ ?" u1 j
investigation. The primary care physician should be. i6 v& x$ y; ?+ F3 l' P6 ?% h
aware of this fact, because most of these children
7 M' W1 c; l1 V. j; L$ Jmay initially present in their practice. The Physicians’
. u/ L- U" k) F- Z, ^( ~1 g# pDesk Reference and package insert should also put a8 N. J, K4 e* t& [7 Y
warning about the virilizing effect on a male or
( z; _: v* F( n! afemale child who might come in contact with some-
5 U: ^- g. C0 Q7 e/ zone using any of these products.
! l5 c* \7 ~% g. P5 N7 yReferences
" H) j+ a# ~* C7 Z1. Styne DM. The testes: disorder of sexual differentiation
) I$ r3 E6 ^& ?. q9 G& X4 T$ Rand puberty in the male. In: Sperling MA, ed. Pediatric
3 H2 E' x4 j& @& AEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
+ a/ r) U5 D9 j. T7 y2002: 565-628./ D, ?' I! E4 w
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious' |! t$ z" d! w- q7 T
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層

& V  p: b7 ?& p精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
您需要登錄後才可以回帖 登錄 | 立即注册

本版積分規則


快速回復 返回頂部 返回列表