Abstract
Case 1 A 29-year-old Chinese woman presented with a 9 × 9-mm yellowish, asymptomatic, annular plaque over the left lateral lower eyelid which the patient had had for years (Fig. 1a). Excision with a 2–3-mm margin was performed under the impression of sebaceous hyperplasia. Microscopically, the specimens showed many narrow strands of epithelial cells, horn cysts, and follicular differentiation in a desmoplastic stroma (Fig. 2a). Diagnosis of desmoplastic trichoepithelioma (DT) was thus made. The surgical margin was free of tumor. Physical examination of this patient demonstrated neither other skin tumors nor neck lymphadenopathies.
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