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진도개에서 홍반천포창(pemphigus erythematosus)의 진단
방동하,최을수,김민규,최은화,정윤찬,강민수,김대용,황철용,이창우,윤화영,Bhang, Dong Ha,Choi, Ul Soo,Kim, Min Kyu,Choi, Eun Wha,Jung, Yun Chan,Kang, Min-Soo,Kim, Dae-Yong,Hwang, Cheol-Yong,Lee, Chang Woo,Youn, Hwan Young 대한수의학회 2006 大韓獸醫學會誌 Vol.46 No.2
A 6-year-old female Jindo dog weighing 20 kg was presented to the Veterinary Medical Teaching Hospital of Seoul National University for the formation of crust and erosion of the nasal bridge and planum, and for alopecia of ear margin. Erythema, crusts, alopecia and erosions were present in the nasal planum and the bridge of the nose on physical examination. There were no abnormalities on CBC, serum chemistry, and basic dermatologic examination which included skin scraping, bacterial cultures, and fungal cultures. On cytology, the acantholytic cells were surrounded by non-degenerate neutrophils. Biopsy samples obtained from skin lesionswere diagnosedpemphigus erythematosus by histopathology and immunochemical staining. Therefore the dog was initially treated with oral prednisolone as an immunosuppressive dose for tour weeks, but clinical manifestations did not improve so far.
방동하 로얄에이알씨 주식회사 2007 로얄동물임상의학 Vol.5 No.1
피부는 여러 가지 기능을 가지는 가장 큰 기관이다. 피부의 일반적 기능으로는 먼저 내기관의 수분, 전해질 등의 손실을 막는 보호막으로서 기능과 화학물질, 미생물 등과 같은 외부 물질이 체내로 침입하는 것을 막는 환경으로부터 방어막으로서 기능, Langerhan’s 세포와 같은 면역세포가 분포하여 여러 면역반응을 일으킬 수 있는 면역 기관으로서 기능, 이외에도 체온조절, 기계적인 지지, 신경, 수용기, Vit-D 합성, 대사, 그리고 분비샘을 함유한 분비 기관으로서 기능 등이 있다. 이러한 기능들을 크게 표피, 진피 그리고 피하에서 담당하고 있다. 이 세층은 기능적으로 매우 밀접하게 연관되어 일생동안 상호연관된다.
개에서 단극 심장 앞 흉부유도를 이용한 Holter monitoring의 임상적 적용 방법
정윤찬,방동하,김유석,황철용,윤화영 한국임상수의학회 2011 한국임상수의학회지 Vol.28 No.1
Holter monitoring has been recognized as an useful noninvasive instrument for monitoring the cardiac electrical activity over 24 to 48 hours. Because the surface electrocardiogram (ECG) is recorded only for several seconds to minutes, it often misses or underestimates the underlying arrhythmia. The surface ECG is also easily influenced by depolarization potentials from skeletal muscle by the movement of patient (especially muscle tremor). However,holter monitoring is less affected by such factors. There has been no precedential report in veterinary medicine applying digital holter monitor with unipolar precordial chest lead using 4 electrodes. This article describes its clinical indications,equipment and technical application method in dogs.
Epitheliotropic cutaneous lymphoma (mycosis fungoides)in a dog
윤화영,방동하,Ul Soo Choi,김민규,Eun-Hwa Choi,Min-Soo kang,황철용,김대용,이창우 대한수의학회 2006 Journal of Veterinary Science Vol.7 No.1
A seven-year-old castrated male Yorkshire terrier dog was presented for a recurrent skin disease. Erythematous skin during the first visit progressed from multiple plaques to patch lesions and exudative erosion in the oral mucosa membrane. Biopsy samples were taken from erythematous skin and were diagnosed with epitheliotropic T cell cutaneous lymphoma by histopathology and immunochemical stain. In serum chemistry, the dog had a hypercalcemia (15.7 mg/dl) and mild increased alkaline phosphatase (417 U/l). Immunohistochemistry was performed to detect parathyroid hormone-related peptide (PTH-rP) in epitheliotropic cutaneous lymphoma tissues but the neoplastic cells were not labeled with anti-PTH-rP antibodies. The patient was treated with prednisolone and isotretinoin. However, the dog died unexpectedly.
장동우,방동하,최호정,이기창,이희천,김진현,엄기동,김대용,윤화영 한국임상수의학회 2001 한국임상수의학회지 Vol.18 No.3
Eleven years old cocker spaniel referred to Veterianry Medical Teaching Hospital, Seoul National University was diagnosed as pheochromocytoma. The patient was transferred to the hospital after hit by car and the main clinical signs were tachypnea, tachycardia, edema of hindlimb and lethargy. On ultrasonographic examination, hyperechoic foci was detected and it was invaded into the caudal vena cava. Venography showed the filling defect and local dilation of the caudal vena. The diagnosis of pheochromocytoma is challenging due to the nonspecific clinical signs and severe concurrent disease in dogs. This report describes one dog with invasive pheochromocytoma in which radiography, ultrasonography and venacavography were key diagnositc tools. Ultrasonography was a usuful method for assessment of size, shape and margination of the tumor and invasiveness to the major vessels.
Potassium bromide를 적용한 개의 epilepsy 치료에 관한 증례
김민규,방동하,황철용,윤화영,한홍율 한국임상수의학회 2003 한국임상수의학회지 Vol.20 No.4
Six year-old female shihtzu was presented as primary epileptic seizure. We had been treated with high dose phenobarbital sodium (6.5mg/kg), but could not achieved adequate control seizures. In an add-on therapy, the dog was given potassium bromide at a dose of 20 to 40mg/kg daily for a period of 24 months. This dog has showed a greater than 50% reduction in seizure frequency. The therapeutic range of serum concentration of potassium bromide was from 0.7 to 1.3mg/ml at 6weeks after treatment. To begin an add-on therapy with potassium bromide it can be recommended at a daily dose of 20 to 40mg/kg.
김유석,방동하,김민규,서경원,주민석,박정현,최을수,정주현,최은화,윤정희,윤화영,최민철,이창우,한홍율,황철용 한국임상수의학회 2005 한국임상수의학회지 Vol.22 No.3
Five dogs at the age of 2-13 years, with variant respiratory signs like as dry cough, dyspnea, exercise intorelance and lameness were presented. On thoracic radiographs, all dogs had abnormalities such as soft tissue density, round mass image, increased pulmonary infiltration and pleural effusion. All dogs were diagnosed as adenocarcinoma on cytopathologic examinations by fine needle aspiration with ultrasound guidance. Computed tomography was performed in three cases to evaluate clinical stage. Primary papillary adenocarcinoma was confirmed after necropsy in one case.
Cytologic Aspect of Fibrous Osteodystrophy in a Juvenile Siberian Husky
지향,최을수,방동하,김대용,황철용,윤화영,Jean-Sébastien Latouche 한국임상수의학회 2009 한국임상수의학회지 Vol.26 No.1
A 5-month-old intact female Siberian Husky dog was presented for evaluation of severely enlarged maxilla. Abnormalities in CBC, serum chemistry and urinalysis indicated purulent inflammation and renal failure. Cytologic examination of the swollen maxilla showed a mixed population of multinucleated giant cells and round to polygonal to spindle shaped cells either individualized or aggregated. Both type of cells showed moderate anisokaryosis, and anisocytosis, prominent nucleolus or multiple nucleoli, and coarse chromatin. On histopathology maxilla and turbinate were diffusely expanded and replaced by variably dense fibrous connective tissue, and the kidneys showed changes consistent with renal dysplasia. Based on these findings, the diagnosis of fibrous osteodystrophy due to renal dysplasia and fibrosis was made. Despite the supportive care, the dog continued to decline and was euthanized.
개 혈청화학검사항목의 장기간의 개체 내 변이와 critical difference
최은화,신일섭,방동하,김유석,황철용,윤화영,이창우 한국임상수의학회 2005 한국임상수의학회지 Vol.22 No.3
The purpose of this study was to assess intra-individual variations of clinicochemical parameters and calculate critical differences in healthy dogs during long-term periods. To calculate the critical difference of clinicochemical parameters, blood samples from 20 apparently clinically healthy dogs were collected once weekly for eight consecutive weeks. The critical difference was calculated as 9.01mg/dl for urea, 0.52mg/dl for creatinine, 0.99g/dl for total protein, 0.39g/dl for albumin, and 20.64mg/dl for glucose. If two consecutive results differ by less than the critical difference value, it can be concluded that the difference is probably due to physiological variation. However, when the difference is greater than the critical value, other factors, either related to progression of the disease or the presence of concurrent disease, are more likely to be involved.
고영환,배보경,방동하,최을수,윤화영,황철용,최민철,윤정희,이창우 한국임상수의학회 2005 한국임상수의학회지 Vol.22 No.2
A retrospective study was performed with 9 cases of spontaneous canine hypoadrenocorticism presented to the Veterinary Medical Teaching Hospital of Seoul National University. The disease occurred mostly in young to middle-aged dogs. Most dogs had chronic nonspecific signs such as episodic anorexia, lethargy and vomiting, but 3 dogs were brought to the hospital with an acute adrenal crisis. Serum biochemical analysis revealed azotemia, abnormal concentration of sodium, potassium, and chloride in almost all the patients. Diagnoses were made based on lack of adrenocortical response to exogenous adrenocorticotropic hormone(ACTH). Most dogs have been responded well with mineralocorticoid and glucocorticoid replacement except for a dog which died during treatment for adrenal crisis. Three dogs treated with fludrocortisone acetate(final median dosage, 31.0mg/kg/day) for mineralocorticoid supplementation showed some adverse effects, such as excessive appetite and polyuria/polydipsia. In this study, it was suggested that clinicians should also consider hypoadrenocorticism when they diagnose a patient showing nonspecific gastrointestinal signs with unknown cause or laboratory findings which mimic primary renal diseases.