Cytomegalovirus infection of the lung: cytomorphologic diagnosis by fine-needle aspiration cytology.

Cytomegalovirus (CMV) infection of the lung was diagnosed by fine-needle aspiration cytology (FNAC) in a patient who underwent renal transplantation due to end-stage renal failure. This case illustrates that CMV can be diagnosed by FNAC and, when seen, must be reported in an immunocompromised host.