Pilonidal Sinus Disease And Carcinoma Prevalence Overview This study aimed to evaluate survival and recurrence rates in pilonidal sinus disease (PSD) carcinoma. A retrospective analysis of global literature identified 140 cases published between 1900 and 2022. Survival rates were 61.7% at 3 years, 59.8% at 5 years, and 53.2% at 10 years.