نتایج جستجو برای: visualization of colon
تعداد نتایج: 21176256 فیلتر نتایج به سال:
The association of anisakiasis of the colon with colon cancer is rare and difficult to diagnose. Only one case of this type has been reported to date. In this study, we report a case of synchronous colon cancer and colonic anisakiasis. A 50-year-old woman was admitted for abdominal pain, and a volume-rendered surface-shaded image of CT colonography (CTC) revealed a concentric narrowing in the s...
Virtual colonoscopy is a well-known screening modality for colon cancer, and virtual colon flattening techniques have been proposed to map the 3D surface to the 2D domain. Performing this flattening with conformal geometry allows for the local shapes to be preserved. We explore here how these shape preserving flattened maps can be used for visualization of the colon and to enhance the VC enviro...
INTRODUCTION The diagnosis and management of gastrointestinal bleeding have always been a challenge to clinicians. In most patients, the source of bleeding is easily identified during conventional upper and/or lower gastrointestinal endoscopies. A significant progress in the evaluation of patients with obscure gastrointestinal bleeding was brought by the advent of capsule endoscopy. Since colon...
A woman with squamous cell carcinoma of the uterine cervix, status post-irradiation therapy, was evaluated for skeletal metastasis. Technetium-99m hydroxy methylene diphosphonate bone images showed an area of abnormal radiotracer localization in the left abdomen corresponding to the descending colon. Contrast radiographic study using gastrograffin enema confirmed a large colovesical fistula bet...
Described here is an unusual complication of a common condition; diverticulitis resulting in a tubo-ovarian abscess. The etiology of this abscess was clinically unapparent due to atypical presenting symptoms and signs. Furthermore, radiological diagnosis was misleading because of an inflammatory reaction of the colon which prevented visualization of diverticula. Failure to correctly identify th...
In the pursuit to advance diagnostic procedures with colon carcinoma patients, we included the 15 MHz mini radial endoscopic ultrasound (MREUS) in our work up algorithm, following PH verification. When compared to surgical and final pathohistological (PH) findings, MREUS shows that it can differentiate colon layers in great detail and therefore we can determine the degree of carcinoma dissemina...
Tumor progression and angiogenesis are intimately related. To understand the interrelationship between these two processes, real-time imaging can make a major contribution. In this report, fluorescent protein imaging (FPI) and magnetic resonance imaging (MRI) were utilized to demonstrate the effects of selenium on tumor progression and angiogenesis in an orthotopic model of human colon cancer. ...
Objectives Big data analysis is receiving increasing attention in many industries, including healthcare. Visualization plays an important role not only in intuitively showing the results of data analysis but also in the whole process of collecting, cleaning, analyzing, and sharing data. This paper presents a procedure for the interactive visualization and analysis of healthcare data using Table...
Volumetric colon wall unfolding is a novel method for virtual colon analysis and visualization with valuable applications in virtual colonoscopy (VC) and computer-aided detection (CAD) systems. A volumetrically unfolded colon enables doctors to visualize the entire colon structure without occlusions due to haustral folds, and is critical for performing efficient and accurate texture analysis on...
Fluorescent-antibody targeting of metastatic cancer has been demonstrated by our laboratory to enable tumor visualization and effective fluorescence-guided surgery. The goal of the present study was to determine whether insulin-like growth factor-1 receptor (IGF-1R) antibodies, conjugated with bright fluorophores, could enable visualization of metastatic colon cancer in orthotopic nude mouse mo...
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