THEME RELEVANCE. Sacrococcygeal pilonidal sinus disease (SPD) is a congenital disease that's well spread and constitutes 1-2% of all surgical pathologies. In all Coloproctological pathologies, the disease composes 14-20% (G.I. Vorobjov, 2006; V.D. Fedorov, 2005; Gupta P.J. et al., 2005). Clinical manifestations of pilonidal sinus disease mainly due to the appearance of inflammation in it.