The authors report a case of a female patient with chronological age of 7 years and bone age of 11 years, presenting with bilateral breast stage Tanner III and gonadotrophin-dependent precocious puberty. Magnetic resonance imaging of the sellar region demonstrated duplication of the pituitary gland and stalk associated with a hypothalamic hamartoma.
Keywords: Magnetic resonance imaging. Pituitary gland. Duplication. Congenital malformation.