Naik, RBharathi, SBai, B M1990-04-012009-05-291990-04-012009-05-291990-04-01Naik R, Bharathi S, Bai BM. Proliferating trichilemmal tumours. Indian Journal of Pathology & Microbiology. 1990 Apr; 33(2): 175-8http://imsear.searo.who.int/handle/123456789/75302Twelve cases of a peculiar, relatively uncommon, benign but locally invasive proliferating trichilemmal tumours are reported. The origin of these tumour appears to be outer root sheath of hair. In order to avoid an erroneous diagnosis of squamous cell carcinoma, an adequate knowledge of these tumours is necessary.engAdultAgedCarcinoma, Squamous Cell --diagnosisDiagnosis, DifferentialFemaleHair --pathologyHumansMaleMiddle AgedSkin Neoplasms --diagnosisJournal Article