March 2020 — Neuropathology

The patient is a 58-year-old woman with a history of atypical corticotroph pituitary adenoma, status-post two trans-sphenoidal resections and radiation. On follow-up imaging, she was found to have multiple meningeal based, extra-axial lesions, involving the right ambient cistern, left parietal, right temporal, superior parasagittal left frontal, and right superior frontal region.

T1 post-contrast highlight left parietotemporal and superior parasagittal left frontal
H&E Smear 400x
H&E 100x
H&E 400x
Chromogranin 100x
ACTH 200x
Ki67 400x

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Photo of Kathryn L. Eschbacher, M.D. Kathryn Eschbacher, M.D.
Resident, Anatomic Pathology/Neuropathology
Mayo Clinic
Photo of Rachael A. Vaubel, M.D., Ph.D. Rachael Vaubel, M.D., Ph.D
Senior Associate Consultant, Anatomic Pathology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine and Science
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