A new case of lymphocytic adenohypophysitis in a five months pregnant
woman is related. The sudden appearance of visual symptoms required a
surgical procedure. MRI does not enable a precise preoperative diagnos
is. Three months after delivery clinical data as hormonal functions re
turned to normal and also the CT Scan aspect. Eighteen months later th
e patient remains totally normal. In our case we dent find any argumen
t in favor of an autoimmune disease.