adjective
- relating to or denoting a cyst or sinus containing hair, typically occurring at the base of the spine
Usage: medical term; usually used in the phrase 'pilonidal cyst' or 'pilonidal sinus'
Examples
- The patient was diagnosed with a pilonidal cyst that required surgical removal.
- Pilonidal sinus disease is more common in young adults and males.
- The doctor recommended treatment for the pilonidal condition to prevent infection.
- Pilonidal cysts can cause pain and discomfort if left untreated.