Prolactinoma gigante de inicio en la adolescencia: a propósito de 2 casos clínicos / Report of two adolecents with giant prolactinomas

The prevalence of pituitary among adolescents is 0.1 per million and the most common type is prolactinoma. We report two adolescents with pituitary adenomas. A 15 years old female presenting with a progressive reduction of visual acuity, headache and galactorrhea. Magnetic resonanceshowed a sellar tumor with suprasellar expansion. She was subjected to transcraneal surgery and the pathological study of the piece disclosed a prolactinoma. A 23 years old male presenting with weight gain, headache and decreased visual acuity of the left eye. Magnetic resonance demonstrateda tumor with sellar and suprasellar involvement. He was subjected to transsphenoidal surgery and the pathological study of the surgical piece disclosed a prolactinoma.