• 대한수의학회지
• /
• 제44권1호
• /
• pp.125-129
• /
• 2004

A 2-year-old, female, American cocker spaniel dog presented for a 1-year history of severe ascites, exercise intolerance, tachypnea. At that time, she was in an emergency state. First, the dog was stabilized with oxygen therapy. A diagnosis of cardiac problem was made from history, auscultation, radiograph, ECG, and echocardiography. Jugular pulsation was palpated and a harsh, systolic murmur of tricuspid regurgitation was prominent at the right cardiac apex. Tricuspid valve dysplasia (TVD) was confirmed with echocardiography, accompanying enormous myocardial hypertrophy. The clinical signs had been improved for 8 months with careful therapy and periodic abdominocentesis, and ascites was well controlled. The situation, however, became worse quickly in a week because the client did not follow our management schedule. Finally, she died due to dyspnea and shock. After the spontaneous death, necropsy and histopathological examination were performed and when we opened the thorax, a significantly large heart was observed. On histopathological findings, grossly myocardium appeared pale initially, then progressed to yellow and white. Microscopically, there was an extensive hemorrhage along with loss of myocardial striations. Interstitial fibrosis and various degenerative alterations in myocytes were also present.

• 한국임상수의학회지
• /
• 제22권2호
• /
• pp.163-165
• /
• 2005

An 18-month-old, female American Cocker Spaniel was presented with a cataract of left eye. The left eye was blind, and anterior uveitis was noted on ocular examination. Ultrasonography of the eye revealed a hyperechoic mass with distinct borders in the vitreous indicative of lens fiber or mass lesion extending from ciliary body. The eye was enucleated after ultrasonographic examination. On gross examination, rupture of posterior capsule was noted adjacent to the ciliary body.

• 한국임상수의학회지
• /
• 제36권5호
• /
• pp.266-270
• /
• 2019

A 13-year-old spayed female American cocker spaniel dog was submitted to an animal hospital with a mass from left ear canal and enlarged left parotid lymph node. Given one-year history of odorous exudates and chronic otitis externa, total ear canal ablation was performed. Grossly, because of the neoplastic mass in both inner and outside of annular cartilage in external ear, vertical ear canal was severely narrowed. Histologically, there were numerous proliferated glands in the ear canal mass. Many neoplastic glands contained secretory vesicles on the free margin and necrotic cellular debris. Severe multifocal necrosis and strong invasion were also observed throughout the mass. Massive metastatic foci of glandular structures originated from ceruminous gland were presented in the enlarged parotid lymph node. Neoplastic glandular epithelia contained PAS-positive diastase-resistant eosinophilic cytoplasmic granules. Immunohistochemically, the neoplastic cells showed positive reactions for cytokeratin (CK) 7 and negative for CK 5/6. Based on the clinical implication and gross findings, histopathology and immunohistochemistry, this case was diagnosed as metastatic ceruminous gland adenocarcinoma in the American cocker spaniel.

• 한국수정란이식학회지
• /
• 제23권2호
• /
• pp.119-125
• /
• 2008

A 3-month-old American Cocker spaniel was presented at the Veterinary Teaching Hospital, Chungbuk National University, for examination of urinary tract after dissection of vaginal mass at local clinic before 10 days. Clinical examination of the affected bitch revealed a normal sized vulva in a normal anatomical position with a grossly enlarged clitoris, which contained an os clitoris. On examinations of the genital gland, there were testis, epididymis, ductus deferens and uterus. The histology of both gonads was primarily testis. Seminiferous tubules were divided into many parts by fibrous connective tissue. A small number of spermatogonia was present, but large numbers of Leydig's cells were existed. A normal female karyotype (78, XX) was detected in metaphase spreads obtained from cultured peripheral lymphocytes. Y chromosome specific sequences were not detected in genomic DNA by PCR. After 27 months, the os clitoris was larger than 3-month-old dog and os bone was more calcified than young age. Combining the results of cytogenetic, molecular genetic and histological examinations, the dog was diagnosed as a female hermaphrodite with Sry-negative XX sex reversal.

• 한국임상수의학회지
• /
• 제29권1호
• /
• pp.38-42
• /
• 2012

To determine the prevalence of the primary glaucoma (PG) and occurrence of primary glaucoma in initially non-affected normal eye. Medical records of 7751 dogs presented to the Veterinary Medical Teaching Hospital (VMTH) of Seoul National University (SNU) between January 2006 and December 2009 were examined. Among 7751 dogs, forty three dogs (0.55%) developed PG. The following breeds were included in the study: 18 American Cocker Spaniels, 17 Shih Tzus, 3 Mixed Breeds, 2 Malteses, 2 Pekingeses, and 1 Chow Chow. The mean onset age of PG in the first eyes was $7.1{\pm}2.3$ years in the all breeds. Compared with Mixed Breed (0.54%), American Cocker Spaniel (3.16%, p = 0.004) and Chow Chow (20%, p = 0.001) had a higher risk of developing glaucoma. Twenty six of 43 dogs (60.1%) were females with male-to-female ratio of 1:1.53. Twenty nine of 33 eyes (87.9%) developed glaucoma in the fellow eye within mean ${\pm}SD$ time of $17.5{\pm}2.7$ months. From this study, American Cocker Spaniel and Shih Tzu were the most frequent PG breed in Korea. Also, unilateral PG dogs developed glaucoma in the non-affected normal eye within approximately 17 months. The results indicate that prophylactic medical therapy with antiglaucoma agents should be considered to delay or prevent developing glaucoma in non-affected normal eye.

• 한국임상수의학회지
• /
• 제27권1호
• /
• pp.83-87
• /
• 2010

양성자(Hermaphroditism)는 사람과 동물에서 매우 드물게 발생단계의 이상으로 발생한다. 한국에서 개의 양성자 발생 보고는 6 사례가 있으며 그들 모두가 American Cocker Spaniel 품종이었다. 본 연구자들은 진돗개에서 발생한 양성자 사례를 발견하고 그 특징 분석과 병리조직학적 연구 및 분자생물학적 성별감별 연구를 수행하였다. 본 사례연구를 통하여 os clitoris와 ovotestes를 가지며 암컷 성을 가진 양성자 진돗개를 최초로 확인하고 보고하는 바이다.

• 한국임상수의학회지
• /
• 제39권4호
• /
• pp.162-167
• /
• 2022

To determine the prevalence of breed, age, and sex of canine primary glaucoma by comparing previous reports in Korea. We included the medical records of dogs diagnosed with primary glaucoma who visited the veterinary medical teaching hospital of Seoul National University (SNU) from January 2011 to December 2020 and investigated their breed, age, and sex. All the patients underwent a full ophthalmic examination. We analyzed the results using a binary logistic regression analysis based on the Jindo dog, which was close to the mean value of the primary glaucoma incidence rate. Of the 14,587 dogs treated at the veterinary medical teaching hospital of SNU, 107 (0.73%) were diagnosed with primary glaucoma. Glaucoma occurred in 14 breeds, including the American Cocker Spaniel, Shih Tzu, Maltese, Pomeranian, Jindo dog, Mixed Breed, Pekinese, Toy Poodle, Samoyed, Shiba Inu, Miniature Pinscher, Boston Terrier, Labrador retriever, and Yorkshire Terrier. The mean age of onset of primary glaucoma was 7.8 ± 2.3 years. Primary glaucoma was observed in 53 spayed females, 11 females, 38 castrated males, and five males. Regardless of neutralization, the ratio of females to males was 1.5:1. This study showed that primary glaucoma was significantly higher in American Cocker Spaniels and higher in Shih Tzus than other breeds in Korea; they had the highest incidence of primary glaucoma at 7 and 8 years of age, respectively. Therefore, the two breeds should be carefully monitored for the occurrence of primary glaucoma when they approach 7 years of age.

• 한국임상수의학회지
• /
• 제28권2호
• /
• pp.249-253
• /
• 2011

4살령의 아메리칸 코가 스파니엘이 식욕부진, 몸떨림 그리고 복부 팽만증세로 내원하였다. 혈청학적 검사, 방사선 검사, 초음파 검사 그리고 간생검을 통한 조직병리학적 검사를 통해 경화로 진행된 만성 간염으로 진단할 수 있었으며, 특수 염색법을 통해 대부분의 간세포내에 구리가 축적되어 있는 것을 확인할 수 있었으며, 구리 농도는 1460 ppm으로 매우 높음을 알 수 있었다. 이러한 검사 결과를 바탕으로 구리 축적으로 인한 간염이 간경화까지 진행된 말기 병변으로 진단하고 D-penicillamine, s-adenosymethionine, biphenyl-dimethyl-dicarboxylate과 대증 치료로 본 환자를 치료 하였으며, 본 환자는 진단 후 35개월을 생존하는 것에 성공하였다.

• 한국임상수의학회지
• /
• 제30권1호
• /
• pp.61-65
• /
• 2013

An American Cocker Spaniel (3-year-old, intact female, 6.0 kg) was referred to the Veterinary Medical Teaching Hospital of Chungnam National University for evaluation of pustules and crusts in the periocular region, dorsal and ventral region of the trunk, and digits. Complete blood count (CBC) revealed leukocytosis with mature neutrophilia, and a serum biochemistry profile revealed hypoalbuminemia. Tape strip tests identified numerous neutrophils and acatholytic cells. Histopathology identified intraepithelial pustules with neutrophils and acantholytic keratinocytes. Definitive diagnosis of pemphigus foliaceus (PF) was made by direct immunofluorescence (DIF) test with goat anti-canine IgG antibody. The human intravenous immunoglobulin (IVIG) was administered at a rate of 15 ml/h over 6 hours for 4 days. After that, the dog was maintained on prednisolone (2.2 mg/kg, PO, SID) and azathioprine (2.0 m/kg, PO, SID). An infusion of IVIG (0.5 g/kg) was repeated 3 days after 4 weeks. After 10 weeks, the dog showed the remarkable regression of lesions.

• 한국임상수의학회지
• /
• 제35권4호
• /
• pp.130-136
• /
• 2018

A 6-year-old spayed female American Cocker Spaniel presented with episcleritis in the right and then the left eye (OS) at eight month interval. Repeated intralesional triamcinolone acetonide was administered subconjunctivally to both eyes (OU). During this period, scleral ectasia was revealed on ocular funduscopy OS and then confirmed on ultrasonography and computed tomography. A year later, conjunctival hyperemia occurred around remnant triamcinolone particles and was treated by resection of these particles in the OU. A recurrence of episcleritis, which did not regress, required repeated triamcinolone subconjunctival injections four months later in the OU. Four months after these injections OU, the dog was presented with bilateral conjunctival mass, which had developed over the previous month. The round-shaped masses with diameters of 1 cm were surgically resected from exposed scleral ectasia lesion of thin and bulging scleral surface in the OU. The cross-section of both masses showed a white-colored accumulation at the center and triamcinolone induced granulomas enclosing necrotic tissue were confirmed by impression cytology and histopathological examination.