A case of malignant clear cell hidradenoma in cheek

Abstract

We reported a 72-year-old man developed a malignant clear cell hidradenoma of the cheek. One year ago, the tumor was rice grainsized, but in a few months the tumor grew rapidly.
It was treated by resection but recurred soon thereafter. The lesion distended capillary and red-dish colored with ulceration in the center part. The tumor invaded from the skin into the subcutaneous tissue, showing big and small tubular as well as cystic stractures. The tumor was consisted mainly of clear cells. Therefore, the diagnosis of clear cell hidradenoma was made. We report a case of malignant clear cell hidradenoma and a review of the literatureconcerned.