Primary extranodal non-Hodgkin lymphoma of the masticatory muscles. A case report
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Keywords
non-Hodking lymphoma, extranodal, masticatory space
Abstract
Around 20% to 45% of non-Hodgkin lymphomas (NHL) develop in extranodal locations. Soft tissue involvement is rare and skeletal muscle affection is a far more unusual NHL presentation. In this singular scenario, upper and lower extremity muscles are mostly affected, especially those from the pelvic and gluteal area and less frequent of the musculature from the head and neck region. Therefore, we here in report a case of an extranodal NHL of the masseter muscle. Treatment regime was based on R-CHOP combined chemotherapy resulting in a favorable outcome. Diagnostic criteria and clinical characteristics, and treatment of this type of lymphoma are reviewed in this article.