A Pilar Cyst, aka a trichilemmal cyst, an isthmus-catagen cyst, or a “wen”, looks identical on examination to the more common epidermoid cyst, except that 90% …
A Pilar Cyst, aka a trichilemmal cyst, an isthmus-catagen cyst, or a “wen”, looks identical on examination to the more common epidermoid cyst, except that 90% of them occur on the scalp. They tend to be more mobile and firmer than epidermoid cysts, and are derived from a different part of the hair follicle/skin. The […]
A cyst is not a normal part of the tissue where it is located. It has a distinct membrane and division on nearby tissue – the outer or capsular portion of a cyst is …