AVM


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  • Clinical

    • site: head/neck, limbs
    • age: children, young adults

  • Histology

    • AV shunts: transition vessels with incomplete internal elastica
    • large vessels: veins > arteries
    • also has cavernous areas
    • dx requires clinical and radiological correlation

  • Stains

    • elastin stain to identify AV shunts
    		•