Imaging findings of skeletal muscle lymphoma.

Muscle lymphoma (ML) is a very rare disorder. Its frequency varies and is reported to be 0.1-1.4% of all extranodal lymphomas. ML can develop either as primary extranodal intramuscular lymphoma or as intramuscular manifestation of disseminated disease. There are only few reports describing radiological features of ML. Therefore, the aim of this review was to provide statistical data and to summarize imaging findings of this rare entity.