Eyelid–Cheek Junction Soft-Tissue Perineurioma: Case Report and Controversies
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Perineurioma is a rare soft-tissue tumor with characteristic histologic and immunohistochemical features. The diagnosis; however, can be met with certain challenges. A 71-year-old woman presented with an enlarging painless mass in the right lower eyelid-cheek junction. The lesion presented as a raised overhanging trunk-shaped mass. An excisional biopsy and local reconstruction were performed. The overall morphology and immunohistochemical findings were most supportive of a cellular soft-tissue perineurioma, with differential diagnoses including dermatofibroma. To the authors' knowledge, this is the first histopathologically reported case of a superficially occurring soft-tissue perineurioma in the eyelid-cheek junction. The authors discuss the presentation, relevant literature, and controversies associated with this diagnosis.
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