Abstract
At the N.N. Petrov Research Institute of Oncology from 1986 to 2015 there were performed 445 radical operations for skin melanoma of upper and lower extremities in patients aged 18 to 87 years. The present study analyzed data of 40 patients with morphologically confirmed diagnosis of “subungual melanoma” (SM). Long-term results and causes of death were evaluated in all operated patients. A 1-year survival rate of SM patients, whatever stage of disease was 90%, a 5-year overall survival rate - 47%, while only 20% of patients have survived a 10-year line. Overall survival median was 55 ± 9.4 months (95% CI, 36.4-73.5). The probability of death of radically operated SM patients in the next 5 years after surgical treatment from co-morbidities did not exceed 10%. SM patients had the worst prognosis as compared with patients with skin melanoma of upper and lower limbs (p = 0,0001).References
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