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Symptoms and Signs – Differential Diagnosis of Sexual Precocity
TRUE PRECOCIOUS PUBERTY
• Premature reactivation of LHRH pulse generator
INCOMPLETE SEXUAL PRECOCITY (PITUITARY
GONADOTROPIN INDEPENDENT)
Males
• Chorionic gonadotropin–secreting tumor
• Leydig cell tumor
• Familial testotoxicosis
• Virilizing congenital adrenal hyperplasia
• Virilizing adrenal tumor
• Premature adrenarche
Females
• Granulosa cell tumor (follicular cysts may be manifested similarly)
• Follicular cyst
• Feminizing adrenal tumor
• Premature thelarche
• Premature adrenarche
• Late-onset virilizing congenital adrenal hyperplasia In Both Sexes
• McCune-Albright syndrome
• Primary hypothyroidism
TRUE PRECOCIOUS PUBERTY
• Premature reactivation of LHRH pulse generator
INCOMPLETE SEXUAL PRECOCITY (PITUITARY
GONADOTROPIN INDEPENDENT)
Males
• Chorionic gonadotropin–secreting tumor
• Leydig cell tumor
• Familial testotoxicosis
• Virilizing congenital adrenal hyperplasia
• Virilizing adrenal tumor
• Premature adrenarche
Females
• Granulosa cell tumor (follicular cysts may be manifested similarly)
• Follicular cyst
• Feminizing adrenal tumor
• Premature thelarche
• Premature adrenarche
• Late-onset virilizing congenital adrenal hyperplasia In Both Sexes
• McCune-Albright syndrome
• Primary hypothyroidism
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