Abstract
A 57-year-old female case with a malignant eccrine tumor of the chest was reported. On clinical inspection she noticed the tumor 6 months before, and the tumor had gradually become bigger with some slight tenderness. First surgical excision of tumor was performed under the general anesthesia, followed to be diagnosed eccrine spirocarcinoma histologically. However, she noticed small tumor on the left axilla 11 months after the first operation and second surgical wide excision with lymphosectomy was performed to confirm metastasis. After second operation, she had radiation therapy and no recurrence has been observed for these 2 years. The classification of malignant eccrine tumor was reported by Mishima and Morioka 1968. Since this report, some cases have reported in Japan. In this report, clinical and histological findings of our case was studied and discussed.