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A globular shaped soft tissue mass is seen centered upon the anterior wall of the right maxillary antrum. It is seen filling the anterior portion of the maxillary antrum eroding most of the anterior wall, anterior portion of the medial wall, anteromedial corner and floor of the maxillary antrum. Inferiorly the mass is seen eroding the related superior alveolar margin. Anteriorly the extra-maxillary component is seen bulging into the pre-maxillary space with overlying cutaneous contour bulge.The mass is showing heterogeneous enhancement with no areas of calcifications or breakdown within.
A similar yet smaller soft tissue mass is seen at the left maxillary antrum apex eroding the adjacent posterior portions of the medial & lateral walls as well as pterygoid fossa.
Bilateral prominent cervical lymph nodes are seen.
A case of bilateral maxillary antra soft tissue masses with osseous erosion of the right maxillary antrum walls, suggestive of an aggressive tumor.
Histopathology from the right maxillary mass revealed diffuse large B-cell lymphoma (DLBCL).