A Case of Mucosa-Associated Lymphoid Tissue Lymphoma Occurring in the Bilateral Accessory Parotid and Parotid Glands Presenting as Infra-Zygomatic Masses

Neoplasm from the accessory parotid glands (APG) rarely occurs, and its malignancy rate is higher than other salivary glands. The B-cell lymphoma APG rare, with less 2% of all in APG. mucosa-associated lymphoid tissue (MALT) lymphoma, a subtype tends to be localized disease an indolent clinical course. It very rare for MALT develop bilaterally without autoimmune disease. A 43-year-old male presented superficial masses bilateral infra-zygomatic regions, was pathologically confirmed as by excisional biopsy. We report this interesting case brief literature review.