Premature Sexual Development Flashcards
What js premature sexuality development?
Befofe 8 yrs -females
Before 9 yrs - males
Include,
Precocious when it is accompanied by a growth spurt
Premature breast development (thelarche)
Premature pubic hair development (pubarche)
Types of precocious puberty?
True/ central PP - GnRH dependent. Premature activation of hypothalamic pitutary gonadal axis
Pseudo/ peripheral PP - without brain involvement, from excess sex steroids
In females this is usually familial
In makes usually uncommon and has an organic cause
Ex of testes?
BL enlargement suggest- gnrh release usually from an intracranial lesion
Small testes - adrenal cause ( tumor or adrenal hyperplasia)
UL enlarged testis suggest a gonadal tumor
Mx of PP?
Tx the underlying cause
Adress the psychological difficulties
GnRH analogous (eg- goseralin,zoladex) to stop the pulsatile release
Isolated thelarche ( breast development)
5
Delayed puberty?
Absence of pubertal development by,
Female-14 yrs
Male- 15 yrs
More common in males
Often familial
Causes of delay ped puberty?
1.constitutional
2.low GnRH secretion (hypogonadotrophin hypogonadism)
-systemic disease 7
-hypothalmo pitutary disorders 4
-acquired hypothyroidism
3. High gonadotrophin secretion (hyperglnadotrophic hypogonadism)
-chromasomal abnormalities 2
Steroid hormona enzyme deficiency
-acquired gonadal damage 6