Difference between revisions of "WSI21-22-Case-4"

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Latest revision as of 14:14, December 9, 2024

WSI21-22-Case-4
Lesion of bone, L-4, lytic lesion of L-4 and femur seen on MRI ?osteochondroma
A. BONE, VERTEBRAL BODY, L4, CT-GUIDED BIOPSY (12/13/2022):

- Sclerotic bone with focal vascular proliferation (see note). Note: Section shows sclerotic bone with a single small focus of capillaries and associated bland-appearing spindle/epithelioid cells. There is no overt atypia, mitoses or necrosis. There are scattered foci of crushed cells that cannot be further evaluated. Immunohistochemistry - stains provided by Maine General Medical Center, ME, are reviewed and show AE1/AE3 is negative. Per report the lesional cells are positive for CD31 and ERG, and negative for S100, desmin and CD45. Given the limited cellularity, clinical and radiologic correlation is required to ensure appropriate sampling fo the lesion.

    • Electronically Signed Out By Ivan A Chebib MD**
December 31, 1969 7:00:00 PM