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 -: (A) Pituitary adenoma, (B) Craniopharyngioma, (C) Hypothalamic glioma, (D) Benign intracranial hypeension
Answer is A. pituitary adenoma inhibits GnRH causes imbalance in FSH and LH causing amenorrhea and increased ICT causes compression of optic disc & visual field defects ( harrison 17 2205 )