<prompt> A 30-year-old women pretests a history of amenorrhoea and impaired vision of six-month duration. Physical examination shows everything except for pale optic discs and diminished visual acuity. The most likely diagnosis is -CraniopharyngiomaPituitary adenomaHypothalamic gliomaBenign intracranial hypertension  <response>: pituitary adenoma inhibits GnRH causes an imbalance in FSH and LH causing amenorrhea and increased ICT causes compression of optic disc visual field defects 