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Related Concept Videos

Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

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Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
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Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

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Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
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Chronic Bowel Disorders: Introduction01:17

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Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Endoscopic Procedures V: ERCP01:26

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
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Gallbladder01:17

Gallbladder

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The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
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Related Experiment Video

Updated: Mar 11, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Benign Biliary Strictures.

Ashley Altman1, Steven M Zangan1

  • 1Department of Radiology, The University of Chicago, Chicago, Illinois.

Seminars in Interventional Radiology
|December 2, 2016
PubMed
Summary
This summary is machine-generated.

Distinguishing benign from malignant biliary strictures is crucial. Imaging like magnetic resonance cholangiopancreatography aids diagnosis, while endoscopic or percutaneous dilation and stenting treat benign strictures.

Keywords:
benign stricturebiliary stricturesinterventional radiologypercutaneous biliary drainagepercutaneous transhepatic cholangiogram

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Area of Science:

  • Gastroenterology and Hepatology
  • Medical Imaging
  • Interventional Endoscopy

Background:

  • Biliary strictures present diagnostic challenges, often mimicking malignant conditions like cholangiocarcinoma or pancreatic cancer.
  • Benign strictures have diverse origins, including iatrogenic, autoimmune, infectious, inflammatory, and congenital causes.
  • Clinical presentation typically involves elevated liver enzymes, constitutional symptoms, and obstructive jaundice.

Approach:

  • Utilizing advanced imaging modalities is key for evaluating stricture extent and etiology.
  • Magnetic resonance cholangiopancreatography (MRCP) offers high sensitivity and specificity (>95%) for stricture detection and precise localization.
  • Ultrasound serves as a screening tool for biliary ductal dilatation but has limitations in negative predictive value.

Key Points:

  • Differentiating benign and malignant biliary strictures is a critical clinical challenge.
  • Imaging modalities such as MRCP, endoscopic ultrasound, CT, and cholangiography are vital for diagnosis.
  • Treatment strategies vary, with endoscopic dilation and stenting as first-line for benign strictures.

Conclusions:

  • Accurate differentiation of biliary strictures impacts patient management and prognosis.
  • MRCP is a highly sensitive and specific tool for biliary stricture evaluation.
  • Endoscopic or percutaneous interventions are effective for managing benign biliary strictures.