• Journal of radiological science and technology
• /
• v.31 no.3
• /
• pp.249-258
• /
• 2008

Purpose : Abdominal obesity with visceral fat accumulation have been known to be intimately associated with the development of metabolic syndrome. Therefore, it is important to estimate the precise amount of visceral fat. Ultrasonography has been reported that it is a simple and noninvasive method for visceral fat evaluation. Purpose of this study is to evaluate the association of ultrasonographic visceral fat thickness, anthropometric indexes, and risk factor of metabolic syndrome, and to investigate the cut-off value of abdominal visceral fat thickness leading to increased risk of metabolic syndrome. Materials and methods : The subject included 200 men and 200 women who visited D healthcare center in Daejeon from January to April 2008. The subcutaneous fat thickness and visceral fat thickness were measured by ultrasonograph. As anthropometric index, we measured body mass index, waist circumference and waist/height ratio. As for the risk factor of metabolic syndrome, we measured blood pressure, high density lipoprotein cholesterol, triglyceride and fasting serum glucose. Results : VFT was significantly correlated with waist circumference, (r=0.683/M, r=0.604/F), waist to height ratio (r=0.633/M, r=0.593/F) and BMI (r=0.621/M, r=0.534/F) in both men and women. In addition it was significantly correlated with Systolic blood pressure (r=0.229/M, r=0.232/F), Diastolic blood pressure ((r=0.285/M, r=0.254/F), high density cholesterol (r=-0.254/M, r=-0.254/F), Triglyceride (r=0.475/M, r=0.411/F), and Fasting blood sugar (r=0.158/M, r=0.234/F) in both men and women. The cut-off value of visceral fat thickness leading to the increased risk of metabolic syndrome was 4.58cm (sensitivity89.2%, specificity 71.2%) in men and 3.50cm (sensitivity61.2% specificity 80.8%) in women respectively. The odds ratio of the risk of metabolic syndrome was dramatically increased with the abdominal visceral fat thickness level over 6cm in men and 5cm in women. Conclusion : The visceral fat thickness using ultrasonography was significantly correlated with anthropometric indexes and risk factors of metabolic syndrome in both men and women. The cut-off value of visceral fat thickness leading to the increased risk of metabolic syndrome was 4.58cm in men and 3.50cm in women.

• Pediatric Gastroenterology, Hepatology & Nutrition
• /
• v.7 no.1
• /
• pp.54-60
• /
• 2004

Purpose: Henoch-$Sch{\ddot{o}}nlein$ purpura (HSP) is a small-vessel vasculitic disease that most often affects the skin. Abdominal symptoms precede the typical purpuric rash of HSP in 14~36%. It is a challenge to diagnose HSP in the absence of a rash, because there are no biologic tests that can identify HSP with certainty, so we tried to find out the characteristic features of HSP gastroenteropathy without purpura before diagnosis. Methods: This study included 82 children with HSP who had been admitted or visited outward of the Department of Pediatrics, Pusan National University Hospital from 1995 to 2000. The cases that the onset of purpura preceded or coincided that of abdominal pain were defined as purpura-positive group. The cases that the onset of abdominal pain preceded purpura more than 1 week and purpura was not presented till diagnosed as HSP gastroenteropathy were defined as purpura-negative group. We compared and analyzed the clinical features of the two groups by reviewing the medical records retrospectively. To ensure the diagnosis of HSP gastroenteropathy, we conducted upper GI series, abdominal ultrasonogram, abdominal CT, endoscopy and/or skin biopsy. Results: The number of cases of purpura-positive group and purpura-negative group were 72 and 10, respectively. There is no difference between two groups in the incidence of clinical symptoms and laboratory findings. Children with HSP gastroenteropathy had characteristic erosive or ulcerative lesions in the stomach or duodenum on esophagogastroduodenoscopy, or mural thickening of the small bowel on abdominal ultrasonogram, CT or upper GI series. Skin biopsy revealed leukocytoclastic vasculitis in 3 of them, although biopsy specimen was taken from any areas of normal- appearing skin. In purpura-negative group, 9 patients improved by steroid therapy. Conclusion: In purpura-negative group, there is no diagnostic feature on the laboratory findings and clinical features. Therefore, to diagnose HSP gastroenteropathy in patients with abdominal pain in the absence of the characteristic rash, careful observation of clinical features and laboratory data, and prompt application of available diagnostic tools such as gastrointestinal endoscopy, radiologic study and skin biopsy are recommended. Early use of corticosteroid may reduce the suffering in these patients.

• Journal of Veterinary Clinics
• /
• v.27 no.5
• /
• pp.600-604
• /
• 2010

A ten-year-old female mongrel dog was presented to Veterinary Medical Center, Chungbuk National University with the signs of anorexia, weakness, and hemoglobinuria. Patient had been diagnosed as dirofilariasis based on heartworm antigen test and treated with adulticide (melarsomine) at local hospital one day before admission. On laboratory examinations, there were hypochromic and microcytic regenerative anemia, thrombocytopenia, moderate neutrophilia, and increase ALT, AST, and ALP. Radiographic exam showed main pulmonary artery bulging, pulmonary infiltration and hypervascularity, reduced abdominal serosal detail and mild hepatomegaly. Abdominal ultrasonographic exam showed mild peritoneal effusion and large hyperechoic thrombi at trifurcation of the porta hepatica and the splenic vein. In addition, intraluminal low density area and intravascular filling defect were confirmed on contrast enhanced CT scanning at the same anatomic locations. Patient was treated with anticoagulant and thrombolytic therapy. On day 42 after treatment, complete resolution of thrombi was confirmed via ultrasonography and improvement of clinical signs was observed.

• Clinical and Experimental Pediatrics
• /
• v.45 no.11
• /
• pp.1426-1429
• /
• 2002

Congenital solitary liver abscess in newborns is an extremely rare and serious disease. Only one case was reported in the literature. Most a liver abscesses have a postnatal origin. We encountered a premature infant who had a low. Apgar score and an elevated right diaphragm at birth. Pyogenic solitary liver abscess was diagnosed by ultrasound and computed tomography. Staphylococcus aureus was cultured from ultrasound guided aspiration fluid.

• Journal of radiological science and technology
• /
• v.42 no.3
• /
• pp.187-194
• /
• 2019

The purpose of this study was to evaluate the pathologic results of hepatic parenchyma parameters such as liver parenchyma, liver surface, liver margin and liver, portal vein, spleen size, And to evaluate the usefulness of fibrosis progression and hepatic ultrasonography. The sensitivity, specificity, positive predictive value, and prognostic value according to the stage of fibrosis and grade of inflammation were divided into two groups according to the morphologic variable "A" through ultrasound and "B" We evaluated the predictive value and predicted the variables to evaluate fibrosis in clinical diagnosis and treatment of patients with chronic liver disease. The sensitivity and specificity of hepatic fibrosis in hepatic morphologic variables and other size variables were highest in liver surface and edge. The morphologic parameters used in the evaluation of fibrosis were clinically relevant in distinguishing the fibrosis stage from the results of liver biopsy.

• Journal of the Korean Society of Radiology
• /
• v.16 no.7
• /
• pp.943-952
• /
• 2022

As a test for diagnosing fatty liver, recently, ultrasound and blood exam are being performed simultaneously. In particular, in the case of high-sensitivity C-reactive protein in blood exam, it is used as an index indicating the level of inflammation in various parts of the body as well as cardiovascular diseases. Thus, this study was conducted to analyze the association between metabolic syndrome components, liver function, and high-sensitivity C-reactive protein levels according to the degree of nonalcoholic fatty liver, and use it as a clinical indicator for fatty liver diagnosis. Metabolic syndrome components, liver function and high-sensitivity C-reactive protein blood test values analyzed from 1,139 men and women over 20 years of age with nonalcoholic fatty liver in abdominal ultrasonography from March 2021 to August 2021 at the Korea Association of Health Promotion, Gwangju-Jeonnam Branch. Analyzed for all men and women, the blood test values for subjects with mild fatty liver were AST 30 U/L, ALT 32.1 U/L, γ-GTP 41.2 IU/L, and hs-CRP 0.14 mg/dL. These values were lower than the blood test values of subjects with moderate fatty liver (AST 38 U/L, ALT 47.6 U/L, γ-GTP 54.9 IU/L, hs-CRP 0.22 mg/dL) and was statistically significant (p<0.001). In this case of high-sensitivity C-reactive protein test, it is statistically significant, showing higher values in Subjects with moderate fatty liver than Subjects with mild fatty liver. thus, it is considered that hs-CRP can be used as clinical data for the prevention and management of fatty liver.

• Childhood Kidney Diseases
• /
• v.11 no.2
• /
• pp.203-211
• /
• 2007

Purpose : We attempted to compare the independent factors such as age, sex, C-reactive protein(CRP), and white blood cell count(WBC) in children with radiologic studies and assess the necessity of performing voiding cystourethrography(VCUG). Method : 98 children who have been diagnosed their first time febrile urinary tract infection from Janurary 2002 to Januray 2005 were enrolled. In all patient, the duration of fever which occurred before and after treatment was recorded, and CRP, WBC, $^{99m}Tc$-2,3-dimercaptosuccinic acid($^{99m}Tc$-DMSA) renal scans, renal ultrasound and VCUG were analyzed. Results : Of the 98 children diagnosed with urinary tract infection(UTI), 52 were male and 46 were female. 18 had abnormalities in VCUG, 17 had abnormalities in kidney ultrasound, and 20 had partial defects or diffuse uptake decrease in $^{99m}Tc$-DMSA renal scans. There were no significant relationship between incidence of radiologic abnormalities and age. The risk of renal scar was significantly higher in children who had a longer febrile period before treatment than in those with shorter period. Both CRP and WBC were significantly elevated in children with the radiological abnormalities. A positive of $^{99m}Tc$-DMSA renal scans and renal ultrasound were highly associated with vesicoureteral reflux(VUR). Conclusion : If there are abnormalities in the kidney ultrasound and $^{99m}Tc$-DMSA renal scan of a child with initial UTI, a VCUG is recommended. Even in cases without abnormal findings in $^{99m}Tc$-DMSA renal scan and renal ultrasound, clinical data such as CRP and WBC should be assessed, and VCUG should be Performed for the undetected VUR.

• Pediatric Gastroenterology, Hepatology & Nutrition
• /
• v.13 no.1
• /
• pp.30-35
• /
• 2010

Purpose: Infectious ileocecitis is an infection confined to the ileocecal area and one of the most common causes of pediatric abdominal pain. This study was performed to demonstrate the clinical features of infectious ileocecitis in children. Methods: The medical records and radiologic findings of 37 patients with ileocecitis diagnosed by ultrasonography and/or computed tomography, who were admitted to Pusan National University Hospital from January 2004 and July 2008, were reviewed retrospectively. Viral gastroenteritis and secondary ileocecitis were excluded. Results: The mean age of the patients was 4.8${\pm}$3.4 years. One-half of the patients were preschool children. The chief complaint was abdominal pain (75.7%), diarrhea (10.8%), and vomiting (8.1%). Accompanying symptoms were fever (56.8%), vomiting (21.6%), and diarrhea (16.2%). The mean duration of abdominal pain, fever, diarrhea, and vomiting was 3.8${\pm}$2.1, 3.0${\pm}$1.9, 3.4${\pm}$1.9, and 2.4${\pm}$2.3 days, respectively. The frequency of diarrhea and vomiting was 5.8${\pm}$2.2 and 4.0${\pm}$2.8 per day, respectively. Diagnosis was made by abdominal ultrasonography in 22 patients (59.5%), abdominal CT in 2 patients (5.4%), and both modalities in 13 patients (35.1%). Besides the radiologic finding of thickening of the bowel wall, mesenteric lymphadenitis (59.5%), ascites (5.4%), and both mesenteric lymphadenitis and ascites (16.2%) were revealed. The mean duration of illness was 7.5${\pm}$5.0 days. There were no specific laboratory findings, and culture studies with stool or blood were negative. All of the patients recovered completely without specific treatment. Conclusion: Infectious ileocecitis has acute appendicitis-mimicking symptoms, but is self-limited within a few days, thus unnecessary treatment and work-up is avoided. However, distinguishing infectious ileocecitis from appendicitis, inflammatory bowel disease, and mesenteric lymphadenitis is important.

• The Korean Journal of Nuclear Medicine
• /
• v.27 no.2
• /
• pp.309-314
• /
• 1993

We report a case of 33-year-old man with a transient splenic uptake who had traumatic multiple rib fractures and hernoperitoneum combined with underlying liver cirrhosis, liver cirrhosis with liver bed laceration and splenomegaly without any other demonstrable splenic lesion due to traffic accident was found by abdominal ultrasound and surgery. Incidentally, $^{99m}Tc$-MDP Bone scan showed whole prominent splenic uptake, spleen was also visible on $^{99m}Tc$ Tin colloid liver scan. We suggest the splenic uptake of the radionuclide temporary splenic infarct to the transient total splenic infarction or unknown traumatic effect.

• Pediatric Gastroenterology, Hepatology & Nutrition
• /
• v.4 no.2
• /
• pp.228-232
• /
• 2001

Gastrointestinal involvement occurs in two thirds of children with Henoch-Sch$\"{o}$nlein purpura (HSP) and intussusception is by far the most common abdominal complication. Intussusception in HSP almost originates in the small bowel, which is in contrast with idiopathic intussusception. Earlier diagnosis and prompt treatment of intra-abdominal complications can reduce the mortality and ultrasound is the imaging modality of choice in evaluation the bowel manifestations of HSP. We report a case of jejuno-jejunal intussusception associated with HSP in a 5-year-old boy who presented with diffuse abdominal pain and vomiting after a few days of HSP onset. Abdominal ultrasound demonstrated intussusception in the jejunum with well defined target appearance because of the thickened intussusceptum, which disappeared on the computerized tomographic examination checked approximately 24 hours later. A brief review of literature was made.