Statistical analysis of malignant melanoma : clinical features and therapeutic survival rate in terms of patients' age difference

Nagashima‐type palmoplantar keratoderma and malignant melanoma in Japanese patients

“…All eight patients were Japanese. The overall prevalence of MM in the Japanese population is estimated at approximately 0·002% . The percentage of cases of NPPK with MM is 3·6% (eight of 221 cases), suggesting a high incidence of MM in NPPK lesions.…”