Acute hemorrhage and ischemic necrosis in pituitary adenomas - Pituitary Apoplexy [chapter]

1993 The Orbit and the Visual Pathway  
Pituitary apoplexy" -a term easily misunderstood -was coined to describe the sudden onset of drowsiness, ophthalmoplegia, and -sometimes -the loss of pituitary function, caused by an abrupt enlargement of a pituitary adenoma. It usually is due to acute hemorrhage, but can also be the result of ischemic necrosis and subsequent edema. Despite differing opinions, pituitary apoplexy seems to be more common in nonfunctional than in hormone-producing adenomas. Hemorrhage has a much poorer prognosis
more » ... poorer prognosis than ischemic necrosis. Acute ophthalmoplegia is the guiding symptom. Its recovery depends on early operation, but a careful clinical, endocrinologic and radiologic investigation should be performed first.
doi:10.1515/9783110851854-020 fatcat:xw7rpl3ibjcfxbl4typr7pgxru