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Imaging Characteristics of Perosomus elumbis in a Puppy
Sooyoung Choi,Byungho Lee,Byungdon Lee,Jiwon Seo,Hyunyoung Park,Kyunghun Kwon,이영원,최호정 사단법인 한국동물생명공학회 2015 한국동물생명공학회지 Vol.30 No.4
A 4-day-old, male Poodle dog was presented with dull, depressed and exhausted activity after the birth. On physical examination, the puppy showed arthrogryposis, muscular atrophy and no movement of hindlimbs. Palpation on dorsum revealed an absence of lumbar and sacral vertebrae. On prenatal and postnatal radiography, lumbar vertebrae, sacrum and coccygeal vertebrae were not visualized. On ultrasonography, bilateral kidney and urinary bladder were observed. On computed tomography, there were no apparent abnormalities in the forelimbs, cervical vertebrae or head, while lumbar vertebrae, sacrum and coccygeal vertebrae were not observed. At necropsy examination, the liver, stomach, intestine, kidney and urinary bladder were normal. This congenital anomaly was consistent with Perosomus elumbis. Perosomus elumbis in dogs is a rare condition of unknown etiology. In this report, Perosomus elumbis was evaluated with radiography, ultrasound and computed tomography.
Imaging Characteristics of Perosomus elumbis in a Puppy
Choi, Sooyoung,Lee, Byungho,Lee, Byungdon,Seo, Jiwon,Park, Hyunyoung,Kwon, Kyunghun,Lee, Youngwon,Choi, Hojung The Korean Society of Embryo Transfer 2015 한국동물생명공학회지 Vol.30 No.4
A 4-day-old, male Poodle dog was presented with dull, depressed and exhausted activity after the birth. On physical examination, the puppy showed arthrogryposis, muscular atrophy and no movement of hindlimbs. Palpation on dorsum revealed an absence of lumbar and sacral vertebrae. On prenatal and postnatal radiography, lumbar vertebrae, sacrum and coccygeal vertebrae were not visualized. On ultrasonography, bilateral kidney and urinary bladder were observed. On computed tomography, there were no apparent abnormalities in the forelimbs, cervical vertebrae or head, while lumbar vertebrae, sacrum and coccygeal vertebrae were not observed. At necropsy examination, the liver, stomach, intestine, kidney and urinary bladder were normal. This congenital anomaly was consistent with Perosomus elumbis. Perosomus elumbis in dogs is a rare condition of unknown etiology. In this report, Perosomus elumbis was evaluated with radiography, ultrasound and computed tomography.
Imaging Characteristics of Perosomus elumbis in a Puppy
Sooyoung Choi,Byungho Lee,Byungdon Lee,Jiwon Seo,Hyunyoung Park,Kyunghun Kwon,Youngwon Lee,Hojung Choi 한국수정란이식학회 2015 한국동물생명공학회지 Vol.30 No.4
A 4-day-old, male Poodle dog was presented with dull, depressed and exhausted activity after the birth. On physical examination, the puppy showed arthrogryposis, muscular atrophy and no movement of hindlimbs. Palpation on dorsum revealed an absence of lumbar and sacral vertebrae. On prenatal and postnatal radiography, lumbar vertebrae, sacrum and coccygeal vertebrae were not visualized. On ultrasonography, bilateral kidney and urinary bladder were observed. On computed tomography, there were no apparent abnormalities in the forelimbs, cervical vertebrae or head, while lumbar vertebrae, sacrum and coccygeal vertebrae were not observed. At necropsy examination, the liver, stomach, intestine, kidney and urinary bladder were normal. This congenital anomaly was consistent with Perosomus elumbis. Perosomus elumbis in dogs is a rare condition of unknown etiology. In this report, Perosomus elumbis was evaluated with radiography, ultrasound and computed tomography.
Situs inversus totalis in a dog with splenic marginal zone lymphoma
Choi, Sooyoung,Kim, Heesu,Lee, Kija,Park, Inchul The Korean Society of Veterinary Service 2018 韓國家畜衛生學會誌 Vol.41 No.4
An 11-year-old intact male mixed-breed dog was referred for evaluation of a splenic mass. On radiographs, the cardiac apex, stomach, and head of the spleen were on the right and the descending colon was on the left of the midline. In addition, the left kidney was located more cranially than the right kidney. Standard two-dimensional echocardiographic images were obtained from each inverted left and right parasternal windows. Furthermore, the spleen was observed on the right side and a splenic mass was found on the splenic tail. Based on the radiographic and ultrasonographic characteristics of the patient, a diagnosis of situs inversus totalis (SIT) and a splenic mass was made, and splenic resection was performed successfully with no unexpected complications. The splenic mass was confirmed histopathologically as being marginal zone lymphoma (MZL). This report describes a dog with SIT and splenic MZL.
On the diffusion coefficient calculation in two-step light water reactor core analysis
Choi, Sooyoung,Smith, Kord S.,Kim, Hanjoo,Tak, Taewoo,Lee, Deokjung Atomic Energy Society of Japan 2017 Journal of nuclear science and technology Vol.54 No.6
<P>This paper presents consistent and rigorous accuracy assessments of various methods for calculating the diffusion coefficients in a two-step reactor core analysis of light water reactors (LWRs). The diffusion coefficients are significantly affected by the transport correction and critical spectrum calculations. There are various methods for the transport corrections (inflow/outflow/hybrid corrections) and critical spectrum calculations (B-1/P-1/CASMO-4E methods) so that it is necessary to decide the best combination to achieve a high accuracy in the transport/diffusion two-step analysis. Numerical tests are performed step-by-step to search for the best combination of the methods by comparing each other the transport one-step results, transport/diffusion two-step results, and Monte Carlo results. Numerical test results with a large and a small LWR core show that the combination of inflow transport correction and CASMO-4E critical spectrum calculation is most accurate than the other combinations in terms of eigenvalues and assembly power distributions.</P>