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Korean J Cytopathol. 2004 May;15(1):56-59. English. Case Report.
Maeng L , Kim KM , Lee A , Kang CS .
Department of Clinical Pathology, The Catholic University of Korea, College of Medicine, Seoul, Korea. kkmkys@catholic.ac.kr
Abstract

Development of an invasive squamous cell carcinoma within a branchial cleft cyst (branchiogenic carcinoma) is very rare and this case is the first description of cytologic findings in Korea. A 62-year-old man presented with a 5-month history of an enlarged right neck mass. Fine needle aspiration cytology of the mass showed low cellularity and the background containing proteinaceous debris, inflammatory cells, and histiocytes suggested a cystic nature. Abundant lymphocytes, a few anucleated squames, and rare atypical squamous cells with pyknotic nuclei and abnormal keratinization were also noted. After excision of the mass, histologic findings were consistent with a branchiogenic carcinoma. We recommend to raise the possibility of carcinoma (primary or metastatic) when we observe a few dyskeratotic cells in a cystic mass within the neck area, especially in an old male.

Copyright © 2019. Korean Association of Medical Journal Editors.