The purpose of this study was to explore the clinical features of malignant melanoma of the finger and therapeutic efficacies of different treatments. The clinical data of 22 patients with malignant melanoma of the finger (confirmed by pathological examination), admitted and treated in our hospital between February 1995 and October 2007, were analyzed retrospectively. The primary site of the tumor was the thumb in 12 cases, index finger in 3 cases, middle finger in 3 cases, ring finger in 2 cases and little finger in 2 cases. The most common presenting symptoms were pain and black patches on the fingers. A total of 15 of the 22 patients had subungual disease, 12 had a history of trauma and 2 had osteolytic bone lesions of the phalanx. The main treatments employed were surgery, chemotherapy and immunotherapy. Finger amputation was performed for all 22 patients and axillary lymph node dissection in the same side was performed for 13 patients. Nineteen cases were followed up for 1-10 years with an average of 5.5 years. Three patients were lost to follow-up 2 years after treatment. The 1-, 3- and 5-year survival rates were 86.4% (19/22), 42.1% (12/19) and 31.2% (6/19), respectively. In conclusion, malignant melanoma of the finger is a rarely occurring tumor. Comprehensive treatment, including surgery, chemotherapy and immunotherapy, is the key approach for malignant melanoma of the finger. Prognosis of the disease is associated with the size of the tumor, depth of infiltration and clinical stages.

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