Recurrent Cyst of the Pituitary: 26-Year Follow-Up from First Decompression

AMONG the few reported arachnoid cysts of the pituitary region, 5,r,9-11 there ap.g. ]L. pears to be no instance of recurrence necessitating a second operation. The rarity of these cysts and the still greater rarity of long periods of postoperative observation have prevented formulation of a reliable concept of their prognosis. In the case described here, the lesion recurred 24 years after surgical decompression. Changes in visual acuity and visual fields led to a second operation, from which the patient recovered well and has been in good health for 2 89 years.