法国斗牛犬的硬膜外囊肿。

IF 1.1 4区 农林科学 Q3 VETERINARY SCIENCES New Zealand veterinary journal Pub Date : 2023-05-01 DOI:10.1080/00480169.2023.2176937
R Philips, D Chase, D Thompson, M Hardcastle, M Kiupel
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引用次数: 0

摘要

病例史:一只7岁的雄性绝育法国斗牛犬被转介到一家专业兽医医院评估持续6个月的进行性麻痹。主人报告说,他们在家里出现了大便和尿失禁。临床表现:犬表现为行走截瘫和盆腔肢体共济失调,以右侧盆腔肢体更为明显。双侧盆腔肢体退缩反应和坐骨肌收缩反应均减轻。盆腔双肢体位反应延迟,其中右肢更为明显。检查时肛门张力和会阴感觉正常。怀疑为L4-S3型脊髓病。脊柱CT显示L7和S3之间椎管内有压缩、双叶状、髓外、囊肿样结构。通过L7-S1背椎板切除术手术切除囊肿。切除结构的组织病理学检查和免疫组织化学检查显示可能为室管膜囊肿,伴有纤毛衬里。术后恢复良好,随访3周后神经症状有所改善。下肢麻痹和盆腔肢体共济失调得到改善;然而,其余的神经系统检查与术前检查相似。诊断:硬膜外囊肿。临床相关性:脊髓囊肿可导致类似于其他常见慢性脊髓疾病(如椎间盘疾病)的临床症状。因此,在处理进行性截瘫和盆腔肢体共济失调的病例时,应将此病视为一种鉴别。该病例报告可能为进一步了解犬脊髓囊肿的发病机制、行为、结果和亚分类提供潜在的机会。
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An extradural cyst in a French Bulldog.

Case history: A 7-year-old, male neutered French Bulldog was referred to a specialist veterinary hospital for evaluation of progressive paraparesis of 6-months' duration. The owners reported both faecal and urinary incontinence at home.

Clinical findings: The dog presented with ambulatory paraparesis and pelvic limb ataxia that was more pronounced in the right pelvic limb. The pelvic limb withdrawal response and sciatic myotatic response were reduced bilaterally. Postural reaction responses were delayed in both pelvic limbs, and this was more obvious in the right pelvic limb. The anal tone and perineal sensation were normal at the time of examination.An L4-S3 myelopathy was suspected. CT of the spine revealed a compressive, bilobed, extramedullary, cyst-like structure within the vertebral canal, between L7 and S3. Surgical removal of the cyst via a L7-S1 dorsal laminectomy was performed. Histopathological examination and additional immunohistochemistry of the excised structure indicated a probable ependymal cyst with a ciliated lining. The dog recovered well post-operatively, and at follow-up 3 weeks later had some improvement of his neurological signs. The paraparesis and pelvic limb ataxia had improved; however, the remaining neurological examination was similar to the pre-surgical examination.

Diagnosis: Extradural cyst.

Clinical relevance: Spinal cysts can contribute to clinical signs that resemble other common chronic spinal cord diseases, such as intervertebral disc disease. Therefore, this disease should be considered as a differential when dealing with cases of progressive paraparesis and pelvic limb ataxia. This case report may potentially provide opportunities in the future for further understanding of the pathogenesis, behaviour, outcomes and subclassification of spinal cysts in dogs.

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来源期刊
New Zealand veterinary journal
New Zealand veterinary journal 农林科学-兽医学
CiteScore
3.00
自引率
0.00%
发文量
37
审稿时长
12-24 weeks
期刊介绍: The New Zealand Veterinary Journal (NZVJ) is an international journal publishing high quality peer-reviewed articles covering all aspects of veterinary science, including clinical practice, animal welfare and animal health. The NZVJ publishes original research findings, clinical communications (including novel case reports and case series), rapid communications, correspondence and review articles, originating from New Zealand and internationally. Topics should be relevant to, but not limited to, New Zealand veterinary and animal science communities, and include the disciplines of infectious disease, medicine, surgery and the health, management and welfare of production and companion animals, horses and New Zealand wildlife. All submissions are expected to meet the highest ethical and welfare standards, as detailed in the Journal’s instructions for authors.
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