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Follicular Dendritic Cell Sarcoma of the Parotid Gland: A Case Report and Review of Literature
KyuKyu Moe1, Hung-Chune Maa2, Shih-Tsang Lin2
1Department of Pathology, Cardinal Tien Hospital, University of Medicine, Mandalay, Myanmar.
Abstract:
Follicular dendritic cell sarcoma of the parotid gland is an extremely rare tumor, with only six cases reported in the literature. A 51-year-old female had a 3.0 cm tumor resected from the right parotid gland. The tumor exhibited solid sheets, whorls, fascicular pattern, and syncytium appearance with an indistinct cell border. The lymphocytic infiltrate was sprinkled throughout the neoplasm, with focal prominent perivascular cuffing. Immunohistochemically, it was positive for follicular dendritic cell markers CD21, CD23, and CD35. We aim to enhance the understanding of this neoplasm and alert pathologists to this rare entity in this region to avoid misdiagnosis.
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