Vascular Tumours

Question 0

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

Answer 0

Cherry hemangioma

Question 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 old.

Answer 1

Strawberry hemangioma

Question 2

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

Answer 2

Pyogenic granuloma

Question 3

Cavernous lymphangioma of the neck. Associated with Turner syndrome.

Answer 3

Cystic hygroma

Question 4

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

Answer 4

Glomus tumour

Question 5

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

Answer 5

Bacillary angiomatosis

Question 6

Rare blood vessel malignancy typically occurring in the head, neck, and breast areas. Usually in elderly, on sun-exposed areas. Associated with radiation therapy and arsenic exposure. Very aggressive and difficult to resect due to delay in diagnosis.

Answer 6

Angiosarcoma

Question 7

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

Answer 7

Lymphangiosarcoma

Question 8

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 angiomatosis.

Answer 8

Kaposi sarcoma

Question 9

Who can get kaposi sarcoma?

Answer 9

1. older Eastern European males at skin - surgery
2. AIDS ppl -> get HHV 8 -> kaposi -> antiretrovirals
   - > immune systems recovers -> kill HHV and tumour
3. Transplant -> decreased immunosuppression -> IS kills HHV8 endothelial cells