Sacrococcygeal pilonidal cyst

Pilonidal sinus treated by phenol injection

“…Following phenol injection patients have very little discomfort and are thus able to return to a normal routine almost immediately. Other simple forms of treatment such as marsupialization are widely practised but healing is prolonged; an average of 86 days was quoted by Berkowitz (1949). This leads to discomfort, excess hospitalization, frequent dressings, prolonged medical supervision and more time off work.…”

A review of pilonidal sinus lesions and a method of treatment

“…In some instances elliptical excision of the lesion is done and the resulting space is packed to encourage granulations to form. These are eventually covered with epithelium, the healing process on average taking 86 days (Berkowitz, 1949).…”