خيارات البحث
النتائج 1 - 10 من 192
Fulminant multicentric osteosarcoma with systemic metastasis in a dog
2017
Lee, J.H., Seoul National University, Seoul, Republic of Korea | Go, D.M., Seoul National University, Seoul, Republic of Korea | Lee, S.H., Seoul National University, Seoul, Republic of Korea | Lee, G.G., Seoul National University, Seoul, Republic of Korea | Choi, M.C., Seoul National University, Seoul, Republic of Korea | Youn, H.Y., Seoul National University, Seoul, Republic of Korea | Kim, D.Y., Seoul National University, Seoul, Republic of Korea
A 15-year-old castrated mixed breed dog presented due to a 5-month history of cough and difficulty in ambulation. Necropsy showed multiple periosteal and intramedullary infiltrative masses in the appendicular skeleton. In addition, single and multiple neoplastic nodules were observed in several organs, including the lungs, liver, kidney, and heart. Microscopically, several skeletal neoplastic masses and nodules in the parenchymal organs revealed similar changes. The neoplastic cells were spindle- to polygonal-shaped with prominent osteoid production and occasional cartilaginous and bone formation. Based on the gross findings and histopathology results, the case was diagnosed as multicentric osteosarcoma with systemic metastases.
اظهر المزيد [+] اقل [-]Ultrasonographic assessment of transitional cell carcinoma of the urinary bladder in dogs: a perspective of tumor size change
2017
Kim, S., Seoul National University, Seoul, Republic of Korea | Kim, Y., Seoul National University, Seoul, Republic of Korea | Kim, W., Seoul National University, Seoul, Republic of Korea | Choi, M., Seoul National University, Seoul, Republic of Korea | Yoon, J., Seoul National University, Seoul, Republic of Korea
Study purposes were to evaluate ultrasonographic characteristics of transitional cell carcinoma (TCC) and quantitate bladder tumor size in dogs. Heterogeneous mass, wall involvement, and broad-based attachment were significantly associated with TCC, but not prominently the trigone region. Mass size evaluation revealed a significant correlation between progressive disease (PD) in TCC patients with piroxicam therapy. Largest diameter of target lesion/ body weight (cm/kg) ratio showed a high mean value in PD. A value greater than 0.3 was associated with PD with 83% sensitivity and 66% specificity. The results suggest that ultrasonography can provide evidence for diagnosing and predicting a prognosis for TCC.
اظهر المزيد [+] اقل [-]Evaluations of vital signs and echocardiographic left ventricular function after the constant rate infusion of lidocaine and/or ketamine in Beagle dogs
2015
Kim, Y.W., Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea | Choi, M., Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea | Kim, T.J., Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea | Hyun, C., Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea
Cardiopulmonary depression of long-term constant rate infusion (CRI) administration of multiple analgesic drugs is important, especially in critically ill dogs. Therefore, this study was conducted to evaluate the effects of lidocaine, ketamine or combined lidocaine-ketamine combination CRI treatment on vital signs and left ventricular (LV) function in healthy dogs. Six adult Beagle dogs were administered either ketamine (initial loading dose of 0.5 mg/ kg followed by 10 ¥ìg/kg/min CRI), lidocaine (initial loading dose of 2 mg/kg followed by 0.025 mg/kg/min CRI), or combined lidocaine-ketamine intravenously. Arterial blood pressure (BP), heart rate (HR), respiratory rate (RR), body temperature (BT) and echocardiographic LV dimensions were measured before administration of medications, immediately after administration of drugs, and then every 10 min for 2 h. There were no significant changes in HR, RR, BT and BP after the administration of either lidocaine CRI, ketamine CRI, or combined lidocaine and ketamine CRI. There were also no significant changes in LV dimensions and stroke volume. The results revealed that treatment with either lidocaine, ketamine or combined lidocaine-ketamine may not cause cardiopulmonary suppression in healthy dogs.
اظهر المزيد [+] اقل [-]The treatment of lower extremity defects with severe proliferative tissue using an adjustable horizontal mattress suture in a Tosa dog
2014
Heo, S.Y., Chonbuk University, Jeonju, Republic of Korea | Kim, N.S., Chonbuk University, Jeonju, Republic of Korea
A 2-year-old male Tosa was admitted for treatment of a non-healing wound on the right forelimb. Skin tests were unremarkable; however, the lesion contained severe proliferative tissue. Surgical treatment was conducted due to the extensive skin defect and granulation tissue present. Following removal of the proliferative tissue, the wound was closed using the adjustable horizontal mattress suture method with multiple punctate relaxing incisions. The proliferative tissue healed completely after the surgical treatment. This technique can be considered an alternative treatment for the proliferative tissue when conditions require a skin graft or flap after surgical treatment.
اظهر المزيد [+] اقل [-]Metastatic lipid-rich mammary carcinoma in a dog
2014
Kim, M.C., Seoul National University, Seoul, Republic of Korea | Kim, S.Y., Jeju National University, Jeju, Republic of Korea | Lee, S.H., Seoul National University, Seoul, Republic of Korea | Kim, D.Y., Seoul National University, Seoul, Republic of Korea | Yoon, J.H., Seoul National University, Seoul, Republic of Korea | Kim, W.H., Seoul National University, Seoul, Republic of Korea | Lee, J.H., Seoul National University, Seoul, Republic of Korea | Kim, Y.B., Seoul National University, Seoul, Republic of Korea
An adult female dog was presented for evaluation of mammary gland masses. Complete blood count and serum chemistry data were within normal limits. Fine-needle aspiration cytology of the mammary masses revealed clusters of malignant epithelial cells with clear cytoplasmic vacuoles. Based on histopathological findings, a diagnosis of lipid-rich mammary carcinoma was made. Approximately 5 weeks after surgical removal, the tumor recurred at the surgery site and metastasis to the tibia was detected. Due to the poor prognosis and deterioration of the condition, the dog was euthanized.
اظهر المزيد [+] اقل [-]Subcorneal pustular dermatosis in a dog
2013
Park, S., Chungnam National University,Daejeon, Republic of Korea
Canine Subcorneal pustular dermatosis (CSPD) represents a sterile, superficial, pustular skin disease of unknown cause but may be a variant of pemphigus foliaceus. A 7-year-old, intact female, mixed dog presented with 3-month history of pruritic multiple pustules and crusts. Direct smears from intact pustules revealed numerous nondegenerate neutrophils, some acantholytic cells, and bacterial culture was negative. Histologic examination of lesional skin showed subcorneal pustules filled with neutrophils and acantholytic cells. The direct immunofluorescence tests stained with IgG, IgA, IgM, C3 were negative. Oral administration of dapsone (1 mg/kg/q8h) was initiated and it was reduced to 1 mg/kg/q12h with good control of the lesions.
اظهر المزيد [+] اقل [-]Effect of clomipramine in a dog with cataplexy
2013
Jeong, S.Y., Konkuk University, Seoul, Republic of Korea | Kang, M.H., Konkuk University, Seoul, Republic of Korea | Park, H.M., Konkuk University, Seoul, Republic of Korea
A 5-year-old, castrated male, Maltese was presented with history of acute flaccid paralysis. The dog was presented with sudden loss of muscle tone and involuntary movements of hind limbs. Neurologic examination revealed reduced postural reaction in the bilateral hind limbs. MRI of brain showed moderate hydrocephalus, but other examination results were normal. Based on the characteristic episodes and examination results, canine cataplexy was suspected. Treatment was initiated with clomipramine as cataplexy control. Clinical signs resolved with 3-month medication. This case demonstrates therapeutic diagnosis of cataplexy. To the author’s knowledge, this is the first report of cataplexy treating with clomipramine.
اظهر المزيد [+] اقل [-]Multiple congenital ocular defects in a Bedlington terrier dog
2013
Yoo, S., Yoolim Animal Clinic, Seoul, Republic of Korea | Ji, D., Jidongbeom Animal Clinic, Busan, Republic of Korea | Kim, H., Konkuk University, Seoul, Republic of Korea | Seo, K., Seoul National University, Seoul, Republic of Korea | Jeong, M., Seoul National University, Seoul, Republic of Korea
To report multiple congenital ocular defects in a Bedlington terrier dog aged 2.5 months with blindness. Routine ophthalmic examinations were performed for the clinical signs. Menace responses and cotton ball test were absent in both eyes (OU), but pupillary light reflexes were normal in OU. Slit lamp biomicroscopy reveled corneal dystrophy, posterior subcapsular cataract, microphthalmia in OU and lenticular coloboma in the right eye. In indirect ophthalmoscopy and ultrasonography, retinal detachment and posterior lenticonus were shown in OU. It is the first report of lenticular coloboma and posterior lenticonus in a Bedlington terrier dog.
اظهر المزيد [+] اقل [-]Kinetics of HMGB1 level changes in a canine endotoxemia model
2011
Yu, D.H., University of Missouri, Columbia, MO, USA | Park, J.H., Chonbuk National University, Jeonju, Republic of Korea
In this study, we investigated the kinetics of tumor necrosis factor (TNF)-α, interleukin (IL)-6 and high mobility group box 1 (HMGB1) concentrations in a 48-h model of canine endotoxemia by lipopolysaccharide (LPS) injection. Four healthy beagles were slowly administered 1 mg/kg of LPS diluted in normal saline, while two others were administered normal saline as controls. Blood collection was performed at 0 h (baseline), 1 h and 3 h (for TNF-α), 6 h, 12 h, 24 h and 48 h of the experiment, and cytokine levels were determined using the sandwich ELISA method. Early increments of TNF-α and IL-6 were observed (less than 3 h), but HMGB1 levels increased the most at 12 h of the experiment and gradually decreased until 48 h. During the whole experiment, IL-6 and HMGB1 were sustained over 12 h of LPS injection, whereas TNF-α decreased within 6 h of LPS injection. Taken together, canine HMGB1 levels increase relatively late (less than 12 h) and sustained longer than TNF-α and IL-6 in response to endotoxin. This is the first study to evaluate canine HMGB1 cytokine from endotoxemia in dogs.
اظهر المزيد [+] اقل [-]Pattern alopecia in a miniature pinscher dog
2011
Kang, J.I., Chungnam National University, Daejeon, Republic of Korea | Lee, W.H., Chungnam National University, Daejeon, Republic of Korea | Park, J.H., Chungnam National University, Daejeon, Republic of Korea | Oh, T.H., Kyungpook National University, Daegu, Republic of Korea | Cho, S.W., Chungnam National University, Daejeon, Republic of Korea | Park, S.J., Chungnam National University, Daejeon, Republic of Korea
A dog (5.6 kg, 4-year-old, castrated male, Miniature pinscher) with diffuse symmetric alopecia on the chest and excessive scales was referred to Veterinary Medical Teaching Hospital of Chungnam National University, Korea. On physical examination, diffuse alopecia on ventral aspect of the neck and caudomedial thighs, and severe scales were presented. Dermatologic tests of lesions revealed bacterial infections. Histopathologically, atrophy of hair bulb was observed in the severely alopecic lesion of caudomedial thighs. ACTH stimulation test was performed to differentiate the endocrine disorder related to generalized alopecia. The pre-ACTH serum testosterone and progesterone concentrations were above normal ranges and the post-ACTH serum testosterone concentration was high. The pre- and post-ACTH serum estradiol and cortisol concentrations were within normal ranges. Canine pattern alopecia was diagnosed based on history, physical examination, hormonal assay and dermatohistopathologic examination. After 3 months of melatonin administration, multifocal alopecia on the trunk was improved and general hair regrowth was identified.
اظهر المزيد [+] اقل [-]