|Image Copyright of Radiological Society of North America|
a. Epstein-Barr virus
c. Herpes simplex
e. Respiratory syncytial virus
Correct answer: (d) HIV
Immunocompromised patients are found to have a primary CNS lymphoma and 90% of such lymphomas are associated with EBV infection. In the above stated causes, HIV is a common cause of immunodeficiency. EBV (a) itself does not lead to a primary CNS lymphoma unless the patient is immunodeficient in the first place.
Cytomegalovirus (b) or CMV is associated with retinitis and/or interstitial pneumonia. It is not associated with lymphoma.
HSV (c) and RSV (e) are not associated with lymphomas.