A pilonidal sinus is a pocket or a small cyst in the skin which generally develops near the tailbone, the top of the cleft of the buttocks. The word pilus means hair and nidal means nest. When a nest ...

A pilonidal cyst is a sac filled with hair and skin debris that forms at the bottom of your tailbone. The recovery time after surgery depends on the procedure type and if you need stitches. In some ...

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.

About a month ago, I noticed I had reduced airflow in my left nostril. It never went away for three weeks so I went to the doctor. An X-ray revealed a large, smooth mass in the sinus cavity behind my ...

Long sitting hours have led to a significant rise of pilonidal sinus disease among students, primarily adolescents, during the Covid-19 pandemic, doctors from Pune, Mumbai and Surat have confirmed.

Nasal dermoid sinus cysts (NDSCs) are the most common lesions associated with midline craniofacial anomalies, in the majority of cases diagnosed during childhood. NDSCs affecting the frontal sinus are ...