Related Experiment Video
Updated: May 16, 2026

05:07
Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Computed tomography of small bowel obstruction.
1Department of Radiology, University of California San Diego, San Diego, CA 92103, USA. csantillan@ucsd.edu
Radiologic Clinics of North America
|November 28, 2012
Summary
Multidetector computed tomography (CT) aids in diagnosing small bowel obstruction (SBO). This imaging technique helps identify obstruction causes, closed loops, and ischemia, guiding surgical intervention decisions.
Area of Science:
- Radiology
- Gastroenterology
- Abdominal Imaging
Background:
- Small bowel obstruction (SBO) is a common surgical emergency.
- Accurate diagnosis is crucial for timely and appropriate management.
- Multidetector computed tomography (CT) has emerged as a key imaging modality.
Purpose of the Study:
- To review the utility of multidetector CT in evaluating SBO.
- To discuss CT techniques, common causes, and imaging findings.
- To assess CT's role in predicting the need for surgical intervention.
Main Methods:
- Review of current literature and imaging protocols for SBO.
- Analysis of CT findings associated with SBO.
- Correlation of imaging findings with clinical outcomes and surgical necessity.
Main Results:
- Multidetector CT accurately identifies the cause and location of SBO.
- CT can detect complications such as closed-loop obstruction and ischemia.
- Imaging findings help stratify patients for urgent surgical management versus conservative treatment.
Conclusions:
- Multidetector CT is essential for comprehensive SBO assessment.
- CT findings significantly influence decisions regarding surgical intervention.
- Optimized CT techniques improve diagnostic accuracy and patient care in SBO.
Related Concept Videos
Computed Tomography
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Imaging Studies III: Computed Tomography
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Intestinal Obstruction I: Introduction
Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
Lower GI Series: Barium Enema
A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
Intestinal Obstruction II: Pathophysiology
Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
