EPIDERMOID CYSTS, PILAR CYSTS
What is Sebaceous Cysts
These are non cancerous or benign cysts that arise from cells in the outermost layer of the skin (epidermal) or cells in the base of the hair follicles (pilar cysts). They contain dirty white smelly material that looks like tooth paste.
Who often gets them?
They are most common in young and middle aged adults. It most commonly affects the head and neck area and the trunk. For most people who develop this, there is no apparent cause. However there can be a familial tendency for some people and it may be a prominent feature in people with certain syndromes. In the latter case, they are commonly multiple.