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Fig. 4 | Journal of Medical Case Reports

Fig. 4

From: The efficacy of resection of an intradural extramedullary foramen magnum cavernous malformation presenting with repeated subarachnoid hemorrhage: a case report

Fig. 4

Photomicrographs of the surgical specimen. Dilated vascular spaces of cavernous hemangioma with no elastic lamina and smooth muscle cells. Hematoxylin and eosin, original magnification ×20 (a). Immunohistochemical CD31 stain highlighting the mono layer of vascular endothelium, original magnification ×20 (b)

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