USMLE® Step 1 style questions USMLE
A 25-year-old man comes to the office because of a growth in his right leg. Patient has HIV+ and patient says that at first, the lesion was flat, however, it has become raised over the past year. He says that an additional lesion has appeared in his right hip and another in his flank. Physical examination shows a large, raised, well-circumscribed, purple lesion in his right upper thigh. A biopsy of one of the lesions shows a lymphocytic infiltrate. Which of the following is the most likely etiology of this patient's condition?
Content Reviewers:Rishi Desai, MD, MPH
Vascular tumors are tumors of the blood vessels, and there actually a lot of different types, so this is just a quick overview of three types of tumors: Kaposi sarcoma, hemangioma, and angiosarcoma. Kaposi sarcoma is a malignant vascular tumor that is linked with an infection of the human herpesvirus 8 (otherwise known as HHV-8). And it’s a c