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Transabdominal color Doppler ultrasound of colon

H Neye, P Rauh, D Ensberg, S Rickes
CASE REPORT: A 72-year-old woman with a 30-year history of iron deficiency anaemia was admitted for fatigue and increasing weakness. On physical examination, the patient appeared dyspneic and pallor. The tongue showed angiodysplasias. Laboratory analysis showed a microcytary anaemia with an iron deficiency. Firstly a routine ultrasound examination (iU22, Philips Medical Systems) was performed. A left accessory artery, a dilated common hepatic artery and ectatic tortuous intrahepatic liver arteries were found...
February 2013: Zeitschrift Für Gastroenterologie
C F Dietrich, M Jedrzejczyk, A Ignee
The intestinal wall can be visualized using high resolution transabdominal ultrasound. The normal intestinal wall thickness in the terminal ileum, cecum, and right and left colon is <2mm when examined with graded compression. It is important to appreciate that a contracted intestinal segment can be misinterpreted as a thickened wall. Vascularisation can be mainly displayed in the second hyperechoic layer (submucosal layer) as well as vessels penetrating the muscularis propria. Imaging of the gastrointestinal wall is dependent on the experience of the examiner as well dependent on the equipment used...
November 2007: European Journal of Radiology
Chiung-Nien Chen, Yung-Ming Cheng, Ming-Tsan Lin, Fon-Jou Hsieh, Po-Huang Lee, King-Jen Chang
OBJECTIVE: The purpose of this study was to investigate the clinical usefulness of microvessel density (MVD) and an in vivo angiogenesis parameter, color Doppler vascularity index (CDVI), in patients with gastric cancer. SUMMARY BACKGROUND DATA: Many studies have reported a significant association between the degree of MVD-evaluated angiogenesis with the clinicopathologic factors and prognosis of patients with various solid tumors. All these studies were accomplished on tissue sections retrospectively obtained from surgical specimens...
April 2002: Annals of Surgery
B G Volkmer, T Nesslauer, R Küfer, M Löffler, S Maier, H W Gottfried
AIM: Standard diagnostic tools for vesico-intestinal fistulas are cystoscopy, cystography, colonoscopy, and contrast enema. The aim of our study was to evaluate the efficacy of transrectal 3D-ultrasound with contrast media in these patients. METHOD: From 5/98 to 12/99 we examined 10 patients with symptoms of a vesico-intestinal fistula (pneumaturia, faecaluria). After placement of a transurethral catheter a transabdominal ultrasound examination (Kretz Combison 530) was performed with the bladder half full to evaluate the bladder wall...
April 2001: Ultraschall in der Medizin
C N Chen, Y M Cheng, J T Liang, P H Lee, F J Hsieh, R H Yuan, S M Wang, M F Chang, K J Chang
The purpose of this study was to investigate the clinical usefulness of the color Doppler vascularity index (CDVI) in patients with colon cancer before surgery. Forty-four patients with sonographically visible tumor mass of colon cancer were investigated. The CDVI of each tumor was determined using transabdominal color Doppler ultrasound. The CDVI was defined as the ratio of the number of the colored pixels within a tumor section to the number of total pixels in that specific tumor section and was calculated by using Encomate software (Electronic Business Machine Co...
June 1, 2000: Cancer Research
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