Pilonidal sinus—also called a pilonidal cyst—is a skin infection that occurs in or around the crease of your buttocks. This condition happens when hair, skin cells, and dirt clog a hair follicle, ...

Also known as a pilonidal cyst, the condition forms when a sac of tissue fills with air or fluid in the crease of your buttocks. Pilonidal cyst, doctors say, is mostly caused by a skin infection.

Read at the annual meeting of the New England Surgical Society, Salem, September 29, 1939. Select the format you want to export the citation of this publication.

According to the American Society of Colon and Rectal Surgeons, Pilonidal disease is a chronic skin infection that affects about 70,000 people in the United States annually. While the cause is not ...

The Lahey Clinic, Boston, Mass. Cattell — Surgeon, Lahey Clinic. Stoller — Formerly Assistant in Surgery, Lahey Clinic. For records and addresses of authors see "This Week's Issue," page 132. Select ...