Idiopathic pituitary granuloma is a rare disorder similar to lymphocyt
ic adenohypophysitis. Few cases have been reported. We report a new hi
stologically case proven with MRI, The patterns of clinical and radiol
ogical presentation and the management of this disorder are discussed.
MRI findings suggestive of this condition include an intensely enhanc
ing pituitary mass, associated with dural enhancement. Steroid therapy
may be suggested avoiding unnecessary surgery.