A 30 year old male homosexual,who was HIV-positive,presented to his primary care physician complaining of a rash on his arm.He had not been taking his anti-retroviral drugs,due to the side effects.Numerous,slightly raised,purple lesions were noted on the patient's forearm by the examining physician.A biopsy of one of the nodules was performed.A representative section of the biopsy is shown in the accompanying photomicrograph.Which one of the following is the most likely diagnosis?

Question

Quizplus · Accepted Answer

Both the history in the vignette and the finding of a highly cellular neoplasm with vascular slits in the photomicrograph should lead you to the diagnosis of Kaposi's sarcomAModern highly active anti-retroviral therapy (HAART)has virtually eliminated the Kaposi's sarcoma epidemic,which was quite severe in the 1980s in the United States.

A 30 Year Old Male Homosexual,who Was HIV-Positive,presented to His