Two cases of multiple scalp tumors clinically resembling the nodules of cylindromas are reported. They seemed to result from trauma to the scalp and were characterized microscopically by a pleomorphic granulomatous infiltrate and a foreign body dermal reaction to the incarcerated hairs. The condition is distinct from turban tumor and keloid folliculitis.
HELFMAN RJ. Factitial Scalp Lesions Resembling CylindromaReport of Two Cases. Arch Dermatol. 1965;91(4):345–346. doi:10.1001/archderm.1965.01600100061015
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