The pilonidal sinus is an extremely interesting and troublesome lesion and has been the subject of much speculation and study. It is more common than physicians are wont to believe and is often unrecognized or confused with other lesions. It is found posterior to the sacrum and the sacrococcygeal region and is variously described as sacrococcygeal cyst, dermoid, coccygeal fistula, a sacral sinus or postanal dermoid. This confusion is characteristic not only of the nomenclature but also of the etiology, pathology and treatment.
The purpose of this paper is twofold: first, to review briefly the subject of pilonidal sinus, because this information may be essential in determining the operative method to be employed; second, to report and discuss four years of experience with the use of a sclerosing solution in the treatment of this disease.
There are two prevalent theories of the cause of pilonidal sinus. The first, advanced
BLOCK LH, GREENE BL. PILONIDAL SINUSSCLEROSING METHOD OF TREATMENT. Arch Surg. 1938;37(1):112-122. doi:10.1001/archsurg.1938.01200010117007