Tn 1971, Dabska1 reported 12 cases of giant hair matrix tumors. We report here a case in which the tumor reached an unusually large size.
Report of a Case
A 58-year-old woman had a large, progressively growing tumor. It had been present for the past seven years and covered the whole scalp like a turban. On examination, the lesion was seen to be lobulated, pink-yellow, and foul smelling (Fig 1). It was 25 × 20 × 5 cm. There were no palpable regional lymph nodes.No notable abnormalities were found on roentgenographic examination of the skull and chest.
A biopsy specimen obtained at another medical institution was interpreted as being consistent with squamous cell carcinoma. The slides were sent to us for examination. The specimen showed a proliferative epithelial process containing large eosinophilic cells with central oval nuclei and prominent nucleoli. Some pleomorphism was observed, and there
Casas JG, Woscoff A. Giant Pilar Tumor of the Scalp. Arch Dermatol. 1980;116(12):1395. doi:10.1001/archderm.1980.01640360069021
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