Resumo

PEREZ-ELIZONDO, AD; SANCHEZ-CASTILLO, JL  e  GARCIA- BARRIOS, SA. Precocious puberty associated with a tumor: Report of a case. Rev. argent. dermatol. [online]. 2017, vol.98, n.3. ISSN 1851-300X.

Precocious puberty is a rare pathology in everyday medical practice, however there are independent factors can affect the onset of puberty, such a race, low birth weight and obesity. The activation of the hypothalamic-pituitary-gonadal axis results in a production of sex hormones with development of breasts in girls and increase testicular size in boys. It's classified as central also called gonadotrophin releasing hormone (GnRH)-dependent, and peripheral. The first step in the evaluation of the suspected precocious puberty is to obtain a careful and detail family and patient clinical history, follow by a complete physical examination, it's diagnostic approach is based on imaging and laboratory tests. The LH or FSH levels and a peak LH/FSH ratio can be used to determine the diagnostic.

Palavras-chave : precocious puberty; secondary sexual signs; pinealoma.