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CASE NUMBER
360
Diagnosis
MALT Lymphoma
Note
These images demonstrate asymmetric enlargement of the left parotid gland by a large infiltrative T1 isointense, T2 isointense, heterogeneously enhancing mass. The right parotid gland is somewhat heterogeneous in signal. In this patient with a history of Sjogren’s syndrome, the left parotid mass is most compatible with a parenchymal non-Hodgkins lymphoma such as MALT (mucosa associated lymphoid tissue) lymphoma which was confirmed on biopsy. Sjogren’s syndrome has a forty times increased incidence of MALT lymphoma. Treatment consists of radiation with possible chemotherapy.
THIS IS CASE
360
OF
396