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KMID : 0361020220650090553
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Korean Journal of Otolaryngology - Head and Neck Surgery
2022 Volume.65 No. 9 p.553 ~ p.556
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A Case of Mucosa-Associated Lymphoid Tissue Lymphoma Occurring in the Bilateral Accessory Parotid and Parotid Glands Presenting as Infra-Zygomatic Masses
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Moon Seong-Kyu
Kwon Hyeok-Ro
Kim Eun-Ju
Kim Seung-Woo
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Abstract
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Neoplasm from the accessory parotid glands (APG) rarely occurs, and its malignancy rate ishigher 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, asubtype 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 glandswithout an autoimmune disease. A 43-year-old male presented with superficial masses in thebilateral infra-zygomatic regions, and was pathologically confirmed as MALT lymphoma byexcisional biopsy. We report this very rare and interesting case with a brief literature review.
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KEYWORD
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Lymphoma B-cell, marginal zone, Salivary glands, minor
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