The Daily PANCE and PANRE Question 24

A patient with AIDS develops severe headaches. A CT scan demonstrates multiple ring-enhancing lesions of the brain. What diagnosis is most likely?

  1. Toxoplasmosis
  2. Histoplasmosis
  3. Lymphoma
  4. Cytomegalovirus
  5. Herpes encephalitis

Answer: A


Toxoplasmosis occurs commonly in HIV and is a parasitic infection causing ring-enhancing lesions (but lots of things can cause ring-enhancing lesions). CMV is common as well and typically causes retinitis. Herpes encephalitis can happen frequently too but causes a diffuse encephalitis.

Know Your Content Blueprint

Toxoplasmosis is covered in the NCCPA™ Content Blueprint Infectious Disease (3%)

Review Topic: Toxoplasmosis

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