Vascular malformations
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AVM
Irregular tangle of vessels with an AV shunt, usually in the cerebrum
May see seizures and subarachnoid and/or intraparenchymal hemorrhage
Cavernous hemangioma
Collection of dilated vessels without an AV shunt
Usually in cerebellum or pons
Capillary telangiectasia
Microscopic foci of dilated vessels separated by normal brain tissue; no AV shunt
Usually in pons
Category: Pathology Notes
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