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Chondroid syringomas: an immunohistopatological analysis
Recep Bedir1, Şehitoğlu İbrahim, Cüneyt Yurdakul
1Department of Pathology, Recep Tayyip Erdogan University of Medical Faculty, Rize, Turkey - bedirrecep@gmail.com.
Background:
Chondroid syringoma is a rare benign skin adnexal tumor composed of both epithelial and mesenchymal components, and is known as a cutaneous mixed tumor. Its clinical diagnosis is generally incorrect, and an exact diagnosis can only be made with histopathological investigations. The aim of this study was to determine the clinicopathological findings of the cases diagnosed with chondroid syringoma.
Methods:
In this study, over the period from January 2008 to March 2014, a total of 2661 excised skin lesions were evaluated for the clinicopathological findings, and fifteen cases were diagnosed with chondroid syringoma. Various parameters such as gender, mean age, tumor localization and immunohistochemical markers (pan-cytokeratin, vimentin, S-100 protein, CEA-(M) and p53 were examined.
Results:
Of the15 cases diagnosed with chondroid syringoma, 10 (67%) were male and 5 (33%) were female. The mean age of the patients was 46 (range 11-80 years). The chondroid syringomas were positive for pan-cytokeratin (87%), vimentin (100%), S-100 protein (100%), CEA-M (53%) and p53 (80%).
Conclusions:
Chondroid syringomas should be included in the differential diagnosis of a slowly growing, nodular mass in the dermis. Definitive diagnosis of the tumor is made by histopathological examination. Difficult cases may benefit from immunohistochemical examination.
