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Bilateral Maxillary Periodontal Ligament Hamartoma in a Dog

机译:一只狗的双侧上颌牙周膜韧带瘤

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摘要

A 12.5-year-old dog was presented for severe periodontal disease and bilateral maxillary enlargement. Radiographs of the maxilla showed generalized root resorption, ankylosis, and rarefaction of bone with focal radiodense areas. Surgical tooth extraction of multiple maxillary teeth and bilateral incisional biopsies of the periodontal tissue and maxilla in the region of the maxillary fourth premolars were performed. Histopathologic examination showed features typical of fully differentiated periodontal ligament with abundant cementum/alveolar lining bone and spares odontogenic epithelial cell rests. Histopathology in conjunction with radiographic and clinical signs suggested a diagnosis of bilateral periodontal ligament hamartoma. Examination 3-months postoperatively indicated uncomplicated healing of the extraction and biopsy sites with no resolution of the maxillary enlargement.
机译:出现了一只12.5岁的狗,其患有严重的牙周疾病和双侧上颌骨肿大。上颌骨的X线照片显示,根部普遍存在根吸收,强直和骨骼稀疏,并伴有局灶性放射致密区域。进行多颗上颌牙的外科手术拔牙以及上颌第四前磨牙区域的牙周组织和上颌骨的双侧切开活检。组织病理学检查显示典型的牙周韧带完全分化的特征,具有丰富的牙骨质/牙槽骨衬骨和多余的牙源性上皮细胞息肉。组织病理学结合影像学和临床体征提示诊断为双侧牙周膜错构瘤。术后3个月的检查表明,拔牙和活检部位的愈合很简单,而上颌骨肿胀没有消退。

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