Presumed calcific band keratopathy in a 10-month-old domestic shorthair cat.

IF 1.7 4区 农林科学 Q2 VETERINARY SCIENCES Veterinary ophthalmology Pub Date : 2024-10-31 DOI:10.1111/vop.13295
Marta Ferruz-Fernandez, Ana Ripolles-Garcia, Miriam Caro-Suarez, Almudena Latre-Moreno, Laura Jimenez-Ramos, Maria Paloma Rodriguez-Gavilan, Carolina Naranjo, Fernando Laguna, Manuel Villagrasa
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Abstract

Objective: To describe a case of presumed band keratopathy in a young cat with no known history of corneal disease who was not receiving topical phosphate-based steroids.

Animal studied: A 10-month-old domestic shorthair cat was evaluated for severe ocular discomfort that did not improve despite the initiation of topical antibiotic treatment.

Methods: A complete ophthalmic examination and ancillary tests such as biomicroscopy and corneal cytology were performed at the time of presentation. A superficial lamellar keratectomy was excised, and the corneal button was sent for histopathology. In addition to routine hematoxylin-eosin staining, sections were stained with Gram, PAS, von Kossa, and trichrome stains.

Results: Biomicroscopic examination revealed an extensive corneal epithelial ulcer with a hard white plaque in the central area of the right cornea with associated superficial neovascularization. Ultrasound biomicroscopy showed a 0.63 mm, slightly hyperechoic band in the anterior corneal stroma. Corneal cytology evidenced numerous neutrophils with toxic changes and few macrophages. Histopathologic analysis excluded corneal sequestration as a differential diagnosis and confirmed superficial corneal mineralization. At the last follow-up, 16 months after surgery, corneal transparency had returned, and visual acuity was good with some corneal conjunctivalization.

Conclusions: In this case report, the presumptive diagnosis is calcific band keratopathy. To the best of the author's knowledge, this is the first presumed case in a cat not receiving topical phosphate-based steroids and without previous corneal damage. Lamellar keratectomy represents a curative approach that successfully resolved the clinical signs, with no reported recurrence.

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一只 10 个月大的家养短毛猫推测患有钙化带状角膜病。
目的:描述一例推测为带状角膜病的病例:描述一例推测为带状角膜病的病例,这只幼猫没有已知的角膜病史,也没有接受局部磷酸盐类固醇治疗:研究动物:一只 10 个月大的家养短毛猫因严重的眼部不适接受了评估,尽管它接受了局部抗生素治疗,但症状仍未改善:研究动物:一只 10 个月大的家养短毛猫因严重的眼部不适接受了评估,但经过外用抗生素治疗后仍不见好转。浅层板层角膜切除术后,角膜扣被送去做组织病理学检查。除常规苏木精-伊红染色外,切片还进行了革兰氏、PAS、von Kossa 和三色染色:生物显微镜检查显示,右眼角膜中央区域有广泛的角膜上皮溃疡和白色硬斑块,并伴有浅表新生血管。超声生物显微镜检查显示,角膜前基质中有一条 0.63 毫米的轻微高回声带。角膜细胞学检查显示,大量中性粒细胞发生毒性变化,巨噬细胞很少。组织病理分析排除了角膜嵌塞的鉴别诊断,并证实角膜表层矿化。在术后 16 个月的最后一次随访中,角膜透明度已恢复,视力良好,但角膜结膜有些脱落:本病例报告的推测诊断是钙化带状角膜病。据作者所知,这是第一例未接受磷酸盐类固醇外用药且无角膜损伤的猫的推测病例。角膜板层切除术是一种治疗方法,它成功地解决了临床症状,而且没有复发的报道。
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来源期刊
Veterinary ophthalmology
Veterinary ophthalmology 农林科学-兽医学
CiteScore
2.70
自引率
37.50%
发文量
82
审稿时长
12-24 weeks
期刊介绍: Veterinary Ophthalmology is a peer-reviewed, international journal that welcomes submission of manuscripts directed towards academic researchers of veterinary ophthalmology, specialists and general practitioners with a strong ophthalmology interest. Articles include those relating to all aspects of: Clinical and investigational veterinary and comparative ophthalmology; Prospective and retrospective studies or reviews of naturally occurring ocular disease in veterinary species; Experimental models of both animal and human ocular disease in veterinary species; Anatomic studies of the animal eye; Physiological studies of the animal eye; Pharmacological studies of the animal eye.
期刊最新文献
Bacterial isolates and antibiotic sensitivity in canine bacterial keratitis in Korea. Interexaminer agreement of gonioscopy examinations in dogs using the European College of Veterinary Ophthalmologists Hereditary Eye Diseases grading scheme. Presumed calcific band keratopathy in a 10-month-old domestic shorthair cat. The novel use of a sub-palpebral lavage line as an indwelling stent to manage unilateral nasolacrimal duct obstruction in a cat. Photoactivated chromophore for keratitis-Corneal cross-linking in dogs and cats: A retrospective study in Italy.
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