Korean J Otorhinolaryngol-Head Neck Surg.
2022 Sep;65(9):553-556. 10.3342/kjorl-hns.2022.00549.
A Case of Mucosa-Associated Lymphoid Tissue Lymphoma Occurring in the Bilateral Accessory Parotid and Parotid Glands Presenting as Infra-Zygomatic Masses
- Affiliations
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- 1Departments of Otorhinolaryngology-Head and Neck Surgery, Veterans Health Service Medical Center, Seoul, Korea
- 2Departments of Pathology, Veterans Health Service Medical Center, Seoul, Korea
- KMID: 2533771
- DOI: http://doi.org/10.3342/kjorl-hns.2022.00549
Abstract
- Neoplasm from the accessory parotid glands (APG) rarely occurs, and its malignancy rate is higher than other salivary glands. The B-cell lymphoma from APG is rare, with less than 2% of all malignancy in APG. The mucosa-associated lymphoid tissue (MALT) lymphoma, a subtype of B-cell lymphoma, tends to be a localized disease with an indolent clinical course. It is very rare for MALT lymphoma to develop bilaterally in the APG and the parotid glands without an autoimmune disease. A 43-year-old male presented with superficial masses in the bilateral infra-zygomatic regions, and was pathologically confirmed as MALT lymphoma by excisional biopsy. We report this very rare and interesting case with a brief literature review.
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