Related Experiment Video
Updated: Apr 19, 2026
07:44
Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
7.1K
Biliary strictures and masses: an expanded differential diagnosis
Matthew T Heller1, Amir A Borhani, Alessandro Furlan
1Division of Abdominal Imaging, UPMC Department of Radiology, University of Pittsburgh Medical Center, 200 Lothrop St, Ste 3950 PST, Pittsburgh, PA, 15213, USA, hellermt@upmc.edu.
Abdominal Imaging
|December 28, 2014
Summary
Cholangiocarcinoma is a common cause of biliary strictures and masses. This study highlights other potential causes and emphasizes key findings for diagnosis and treatment.
Area of Science:
- Medical imaging
- Gastroenterology
- Oncology
Background:
- Biliary strictures and masses frequently indicate cholangiocarcinoma.
- A diverse range of conditions can mimic these findings.
Purpose of the Study:
- To outline the differential diagnosis for biliary strictures and masses.
- To identify key clinical and imaging findings for accurate diagnosis.
Main Methods:
- Review of existing literature on biliary strictures and masses.
- Analysis of clinical and imaging characteristics of various etiologies.
Main Results:
- Cholangiocarcinoma is a primary consideration.
- Congenital, infectious, inflammatory, autoimmune, iatrogenic, and neoplastic conditions present similar findings.
- Specific imaging features and clinical presentations aid differentiation.
Conclusions:
- Accurate diagnosis requires considering multiple etiologies beyond cholangiocarcinoma.
- Knowledge of key findings is crucial for effective patient management.
- Timely diagnosis improves treatment outcomes for biliary diseases.
Related Concept Videos
01:26Esophageal Strictures-II: Clinical Features and Management
1.0K
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...
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
1.0K
01:20Cholecystitis
3
Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
3
01:30Esophageal Strictures-I: Introduction
1.3K
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...
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...
1.3K
01:25Assessment of the Rectum and Anus
2.0K
Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
2.0K
01:17Chronic Bowel Disorders: Introduction
958
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...
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...
958
01:26Endoscopic Procedures V: ERCP
6.6K
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...
Patient...
6.6K