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首页> 外文期刊>Veterinarni Medicina >Inflammatory polyp in the middle ear of a dog: a case report
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Inflammatory polyp in the middle ear of a dog: a case report

机译：狗中耳炎性息肉一例

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摘要

Nasopharyngeal polyps are non-neoplastic masses, originating from the mucosa of the nasopharynx, the tympanic bulla or the Eustachian tube. Inflammatory polyps extending into the tympanic bulla cavity are a common cause of otitis media in cats. In dogs, however, occurrence of middle ear polyps has rarely been reported. The present report describes the findings of the clinical examination, diagnostic imaging and histopathological appraisal of a ten year old male dog with an inflammatory middle ear polyp arising from the mucosa of the Eustachian tube. Clinically, the dog displayed a peripheral vestibular syndrome. Magnetic resonance imaging revealed a hyperintense soft tissue mass filling the right middle ear cavity. Following ventral bulla osteotomy,a polypoid growth with a stalk arising from the auditory tube was surgically excised from the tympanic bulla. Histologically, the polyp was composed of a fibrous connective tissue stroma with discreet infiltration of inflammatory cells and an overlyingsurface layer of partially ulcerated respiratory epithelium. Similarities and differences between the histological appearance of the present case and the few previously reported records of canine middle ear polyps are discussed, along with a comparativereview of etiological, pathogenetic and therapeutic aspects of middle ear polyps in cats and dogs
机译：鼻咽息肉是非肿瘤性肿块，起源于鼻咽，鼓膜或咽鼓管的粘膜。炎性息肉伸入鼓膜大疱腔是猫中耳炎的常见原因。然而，在狗中，很少有中耳息肉的发生的报道。本报告介绍了由咽鼓管粘膜引起的具有炎症性中耳息肉的10岁公犬的临床检查，诊断成像和组织病理学评估的结果。在临床上，这只狗表现出外周前庭综合征。磁共振成像显示充满右中耳腔的高强度软组织肿块。腹侧大疱截骨术之后，通过手术从鼓膜大疱中切除息肉样生长，并伴有来自听觉管的茎。在组织学上，息肉由纤维结缔组织基质和炎性细胞的离散浸润和部分溃疡的呼吸道上皮的表层组成。讨论了本病例的组织学外观与先前报道的犬中耳息肉的一些记录之间的异同，并比较了猫和狗中耳息肉的病因，病因和治疗方面的比较

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