Proliferating trichilemmal cyst
Multiple scalp rounded swellings
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Multiple partially calcified mass lesions in the subcutaneous tissues of the scalp (hair follicles-bearing layer).
1 case question available
A trichilemmal cyst, also known as pilar tumor, is a common cyst that forms from a hair follicle. They are most often found on the scalp. The cysts are smooth, mobile and filled with keratin, a protein component found in hair, nails, and skin. In this case, the keratin has calcified.