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Chondroid syringoma: a diagnosis more frequent than expected
Reha Yavuzer1, Yavuz Başterzi, Alper Sari
1Department of Plastic and Reconstructive Surgery, Gazi University, Medical Faculty, Ankara, Turkey. ryavuzer@hotmail.com
Background:
Chondroid syringoma or mixed tumor of the skin is a rare subcutaneous tumor that may be confused with various skin lesions.
Objective:
To elucidate the incidence of condroid syringomas among skin lesions that were excised under local anesthesia.
Methods:
The histopathologic diagnosis of 16,200 skin lesions that had been operated between 1986 and 2002 were retrospectively evaluated. The cases with condroid syringoma were histopathologically re-examined, and confirmed cases were further analyzed for preoperative diagnosis, age, gender, and lesion location.
Results:
Sixteen patients were found to have histopathologic diagnosis of chondroid syringoma constituting 0.098% of the excised skin lesions in this series. All of these 16 cases were misdiagnosed preoperatively. The typical presentation was a solitary skin lesion located in the head and neck region in a middle-aged male patient.
Conclusion:
In the evaluation of a middle-aged male patient with a small subcutaneous nodule in the head and neck region, chondroid syringoma should be also taken into consideration for differential diagnosis. For such a lesion, excisional biopsy without destroying aesthetic and functional structures is the preferred diagnostic approach.