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- W4292298997 abstract "A 37-year-old afrodescendant man presented a nodular lesion on the palate, with 2 years of evolution and history of pain and ulceration in the last 6 months. The provisional diagnosis was salivary gland neoplasia. An incisional biopsy revealed areas of typical pleomorphic adenoma (PA) associated with mucous, clear and atypical squamous cells, and cystic spaces. Immunohistochemical positivity for AE1/AE3, CK 7, CK14, CK19, p63, and Ki-67 (30%) was observed. The diagnosis was carcinoma ex-pleomorphic adenoma (CEPA). The tumor was resected, with a safety margin, and complementary chemo and radiotherapy were performed. No recurrence was observed after 1 year of follow-up. CEPA represents a malignant change in a pre-existing PA, which is extremely uncommon in minor salivary glands. Despite the rarity, this tumor must be considered in the differential diagnosis of intraoral salivary gland tumors with sudden changes in their clinical behavior. A 37-year-old afrodescendant man presented a nodular lesion on the palate, with 2 years of evolution and history of pain and ulceration in the last 6 months. The provisional diagnosis was salivary gland neoplasia. An incisional biopsy revealed areas of typical pleomorphic adenoma (PA) associated with mucous, clear and atypical squamous cells, and cystic spaces. Immunohistochemical positivity for AE1/AE3, CK 7, CK14, CK19, p63, and Ki-67 (30%) was observed. The diagnosis was carcinoma ex-pleomorphic adenoma (CEPA). The tumor was resected, with a safety margin, and complementary chemo and radiotherapy were performed. No recurrence was observed after 1 year of follow-up. CEPA represents a malignant change in a pre-existing PA, which is extremely uncommon in minor salivary glands. Despite the rarity, this tumor must be considered in the differential diagnosis of intraoral salivary gland tumors with sudden changes in their clinical behavior." @default.
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- W4292298997 date "2022-09-01" @default.
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- W4292298997 title "CARCINOMA EX-PLEOMORPHIC ADENOMA: A CASE REPORT" @default.
- W4292298997 doi "https://doi.org/10.1016/j.oooo.2022.01.085" @default.
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