Development of morphologically diverse benign neoplasms preceding metachronous oral squamous cell carcinoma: A rare case report.

National journal of maxillofacial surgery Pub Date : 2024-09-01 Epub Date: 2024-11-16 DOI:10.4103/njms.njms_135_23
Subrat K Padhiary, Gunjan Srivastava, Swagatika Panda, Neeta Mohanty
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Abstract

Eighteen months after the resection and micro-vascular reconstruction of central ossifying fibroma of the right mandible in a 54-year-old male patient, there occur two synchronous neoplasms, basal cell adenoma (BSA) and oral squamous cell carcinoma (OSCC). Two years after reconstructive surgery, the patient reported a second primary OSCC on the left retromolar mucosa. This case reports two morphologically diverse benign neoplasms preceding metachronous OSCC in one individual. While field cancerization makes the entire mucosa susceptible to the development of multiple primary malignant neoplasms, this case would address the necessity to extrapolate further the fact that whether genetic instability in the head and neck area can make the individual susceptible to develop both benign and malignant neoplasms. This case report also generates the importance of follow-up in even a benign fibro-osseous head and neck neoplasm.

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异时性口腔鳞状细胞癌前形态多样的良性肿瘤的发展:罕见病例报告。
一例54岁男性右下颌骨中央骨化纤维瘤切除术及微血管重建18个月后,并发基底细胞腺瘤(BSA)及口腔鳞状细胞癌(OSCC)两种肿瘤。重建手术两年后,患者报告左侧磨牙后粘膜出现第二例原发性OSCC。本病例报告了同一个体在异时性OSCC前出现的两种形态多样的良性肿瘤。虽然野区癌化使整个粘膜容易发生多发原发恶性肿瘤,但本病例需要进一步推断头颈部区域的遗传不稳定性是否会使个体容易发生良性和恶性肿瘤。本病例报告也说明了随访的重要性,即使是良性纤维骨性头颈部肿瘤。
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