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Korean Journal of Head & Neck Oncology 2018;34(2):81-84.
Published online November 30, 2018.
A case of granular cell tumor of the cervical esophagus misdiagnosed as parathyroid tumor
Dong Hwan Kim;Seong Sik Bang;Su-Jin Shin;Kyung Tae
부갑상선 종양으로 오인된 경부 식도 과립세포종 1례
김동환;방성식;신수진;태경
Abstract
Granular cell tumor is an uncommon neoplasm that can occur everywhere in the human body. Granular cell tumor of the cervical esophagus is rare. Histopathologically, granular cell tumor consists of large polygonal cells with small dark nuclei and abundant, fine, granular eosinophilic cytoplasm that show positive immunohistochemical staining using S-100 protein. Surgical excision is the treatment of choice for granular cell tumor. Recurrence is rare, but inadequate resection of granular cell tumor may cause local recurrence. We have experienced one case of granular cell tumor of the cervical esophagus that was misdiagnosed with parathyroid tumor. Therefore, we report it with the literature review.
Key Words: Granular cell tumor, Cervical esophagus


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