OBJECTIVE. Nasal T-cell/natural killer cell lymphoma is a distinct clinicop
athologic entity derived from natural killer cells. The purpose of the stud
y was to describe the MR features of this rare nasal cavity tumor and corre
late MR findings with stage of disease.
CONCLUSION. Nasal T-cell/natural killer cell lymphoma frequently exhibits d
iffuse invasion of the nasal cavity with necrosis, midline destruction, and
extension into the nasopharynx. These features may be seen in both early-
and late-stage disease.