ECCRIN POROCARCINOMA: OUR CLINICAL EXPERIENCES IN TREATMENT AND FOLLOW-UP OF THIS RARE LESION WITH A HIGH INCIDENCE OF LOCAL AND REGIONAL RECURRENCES
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Abstract
Introduction: Eccrin porocarcinoma is a rare tumor originating from intraepithelial parts of eccrin sweat glands. It has a bad prognosis and very different biological behaviors with a high recurrence rate and metastasis to both local skin and lymphatics. Five cases with different clinical and histopathological properties treated in our clinic were presented to add some contribution to the literature. Material and Methods: Five cases of eccrin porocarcinoma patients treated in our clinic between 2009 and 2013 were analyzed according to age, sexuality, tumor localization and histopathological records. Results: All patients were women and their mean age was 77. Localization of tumors was as follows: medial of thigh, upper lip, deltoid region, gluteal region and left cheek. Sizes of the tumors were between 3 and 16 cm. Two patients had concurrent regional lymph node metastasis and they had lymphatic dissection procedures. One patient with local recurrence was lost after a two-year follow-up period. Conclusions: Eccrin porocarcinoma is a rare tumor and there are insufficient numbers of reports about its diagnosis, treatment, results and follow-up protocols in the literature. The patients have to be in a close follow-up about the local and regional recurrences.