Talk:Neuropathology
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AVM
Microscopic
The section shows numerous large veins that have thickened walls and arteries with intervening brain parenchyma. There is a small focus of monocytoid cells, hemosiderin-laden macrophages and necrosis consistent with prior bleeding.
Diagnosis
BRAIN, RIGHT TEMPORAL:
- ARTERIOVENOUS MALFORMATION.
- NEGATIVE FOR MALIGNANCY.
CADASIL
Microscopic
The section shows normal skin with numerous small blood vessels. The blood vessels do NOT stain for NOTCH-3. The NOTCH-3 control has the usual staining.
Final diagnosis
SKIN, BIOPSY:
- NO PATHOLOGIC DIAGNOSIS.