Vascular Tumors

Question 1

Strawberry hemangioma

Answer 1

Benign capillary hemangioma of infancy. Appears in first few weeks of life (1/200 births); grows rapidly and regresses spontaneously at 5-8 years of age.

Question 2

Cherry hemangioma

Answer 2

Benign capillary hemangioma of the elderly. Does not regress. Frequently increase with age.

Question 3

Pyogenic granuloma

Answer 3

Polypoid capillary hemangioma that can ulcerate and bleed. Associated with trauma and pregnancy.

Question 4

Cystic hygroma

Answer 4

Cavernous lymphangioma of the neck. Associated with Turner syndrome.

Question 5

Glomus tumor

Answer 5

Benign, painful, red-blue tumor under fingernails. Arises from modified smooth muscle cells of glomus body.

Question 6

Bacillary angimatosis

Answer 6

Benign capillary skin papules found in AIDS patients. Caused by Bartonella henselae infections. Frequently mistaken for Kaposi’s sarcoma.

Question 7

Angiosarcoma

Answer 7

Rare blood vessel malignancy typically occurring in the head, neck, and breast areas. Associated with patients receiving radiation therapy, especially for breast cancer and Hodgkin’s lymphoma. Very aggressive and difficult to resect due to delay in diagnosis.

Question 8

Lymphangiosarcoma

Answer 8

Lymphatic malignancy associated with persistent lymphedema (e.g., post-radical mastectomy).

Question 9

Kaposi’s sarcoma

Answer 9

Endothelial malignancy most commonly of the skin, but also mouth, GI tract, and respiratory tract. Associated with HHV-8 and HIV. Frequently mistaken for bacillary angimatosis.