Pilonidal disease is a condition that can occur anywhere along the crease between the buttocks, which runs from the bone at the bottom of the spine (sacrum) to the anus.
Pilonidal disease may appear as:
Source: ADAM Encyclopedia
A cyst is a closed pocket or pouch of tissue. It can be filled with air, fluid, pus, or other material.ConsiderationsCysts may form within any tissue... Read more »
Source: HealthCentral Encyclopedia
An ovarian cyst is a sac or pouch that develops in or on the ovary. The cysts may contain liquid, or solid material or a combination of both.Ovarian... Read more »
Source: HealthCentral Encyclopedia
Ganglia are cystic swellings under the skin, generally in the wrist or the upper surface of the foot. A ganglion can develop on the top of the foot,... Read more »
Source: HealthCentral Encyclopedia
A Colloid Cyst is a collection of gelatinous material in the brain.Colloid cysts arise within the brain. The cysts are well-encapsulated and consist... Read more »
Source: HealthCentral Encyclopedia
An inclusion cyst is a small encapsulated fluid filled structure due to embryonal or traumatic implantation of epithelium (tissue composed of... Read more »