Vascular Tumors Flashcards
Strawberry hemangioma
Benign capillary hemangioma of infancy. Appears in first few weeks of life; goes rapidly and regresses spontaneously at 5 to 8 years of age.
Cherry hemangioma
Benign capillary hemangioma of elderly. Does NOT regress. Frequency increases with age.
Pyogenic granuloma
Polypoid capillary hemangioma that can ulcerate and bleed. Associated with trauma and pregnancy.
Cystic hygroma
Cavernous hemangioma of the neck. Associated with Turner’s Syndrome.
Glomus tumor
Benign, painful, red-blue tumor under fingernails. Arises from modified smooth muscle cells of gloms body.
Bacillary angiomatosis
Benign capillary skin papules found in AIDS patients. Caused by Bartonella henselae. Often mistaken for Kaposis’s sarcoma.
Angiosarcoma
Highly lethal malignancy of the liver. Associated with vinyl chloride, arsenic, and ThO2 (Thorotrast) exposure.
Lymphangiosarcoma
Lymphatic malignancy associated with persistent lymphedema (e.g., post-radical mastectomy).
Kaposi’s sarcoma
Endothelial malignancy of the skin associated with HHV-8 and HIV. Often mistaken for bacillary angiomatosis.