Vascular tumors of skin

lilyo's version from 2016-06-04 00:33


Question Answer
Angiosarcomarare blood vessel malignancy, often in head, neck, and breast areas. Associated with radiation therapy, chronic postmastectomy lymphedema. Hepatic angiosarcoma associated with vinyl chloride and arsenic exposures. Very aggressive.
Bacillary angiomatosisbenign capillary skin papules found in AIDS patients, caused by Bartonella henselae infections, frequently mistaken for Kaposi sarcoma but has neutrophilic infiltrate
Cherry hemangiomabenign capillary hemangioma of the elderly, does not regress, frequency increases with age
Cystic hygromacavernous lymphangioma of the neck, associated with Turner syndrome
Glomus tumorbenign, painful, red-blue tumor commonly under the fingernails. Arises from modified smooth muscle cells of the thermoregulatory glomus body.
Kaposi sarcomaendothelial malignancy most commonly of the skin, but also mouth, GI tract, respiratory tract. Associated with HHV-8 and HIV. Frequently mistaken for bacillary angiomatosis, but has lymphocytic infiltrate.
Pyogenic granulomapoylpoid lobulated capillary hemangioma that can ulcerate and bleed; associated with trauma and pregnancy
Strawberry hemangiomabenign capillary hemangioma of infancy; appears in first few weeks of life (1/200 births); grows rapidly and regresses spontaneously by 5-8 years old