Matthew Kozminski, DO Chief Resident Neurology, Madigan Army Medical Center, Tacoma, WA 98431 A 41-year-old woman with central diabetes insipidus underwent trans-sphenoidal surgery for a magnetic resonance imaging (MRI) abnormality thought to be a pituitary adenoma. Upon exposure of the sella, neurosurgeons did not discover an adenoma but rather lymphocytic material per laboratory analysis lead...
