Gallbladder & Biliary System

1. Introduction to Gallbladder & Biliary System 100%

Clinical Importance and Overview
Role in Digestion and Physiology
Common Indications for Biliary Ultrasound
Limitations and Contraindications

2. Anatomy of Gallbladder & Biliary Tree 40%

Gallbladder (Fundus, Body, Neck)
Cystic Duct
Common Bile Duct (CBD)
Intrahepatic and Extrahepatic Bile Ducts
Ampulla of Vater and Sphincter of Oddi
Relationship with Liver, Pancreas, Duodenum

3. Patient Preparation and Positioning 100%

Fasting Requirements
Standard Scanning Positions
Techniques to Improve Visualization
Respiratory Maneuvers and Patient Cooperation

4. Technical Approach to Ultrasound 100%

Transducer Selection (Curvilinear, High-Frequency)
Imaging Modes (B-mode, Color Doppler)
Machine Settings and Optimization
Common Artifacts in Biliary Imaging

5. Normal Sonographic Appearance 60%

Gallbladder Wall Thickness and Contents
CBD Diameter by Age
Normal Variants (Folded GB, Phrygian Cap)
Visualization of Intrahepatic Ducts
Flow in Portal Triad with Doppler

6. Gallbladder Pathologies 0%

1. Inflammatory Conditions

Acute Cholecystitis
Chronic Cholecystitis
Acalculous Cholecystitis
Emphysematous Cholecystitis

2. Gallstones and Sludge

Cholelithiasis
Gallbladder Sludge
Impacted Stones at Neck or Cystic Duct

3. Neoplastic Disorders

Gallbladder Polyps
Adenomyomatosis
Gallbladder Carcinoma

4. Other Abnormalities

Gallbladder Wall Thickening (Non-specific)
Porcelain Gallbladder
GB Perforation or Fistula

7. Biliary Tract Disorders 0%

1. Obstructive Disorders

Choledocholithiasis
Biliary Strictures
Obstructive Jaundice
Mirizzi Syndrome

2. Inflammatory and Infectious

Ascending Cholangitis
Primary Sclerosing Cholangitis
Recurrent Pyogenic Cholangitis

3. Congenital Anomalies

Biliary Atresia
Choledochal Cyst
Caroli’s Disease

4. Neoplasms

Cholangiocarcinoma
Ampullary Tumors
Metastases in Biliary Tract

8. Interventional and Post-Surgical Imaging 0%

Post-Cholecystectomy Findings
Biliary Stents and Drainage Catheters
Percutaneous Transhepatic Cholangiography (PTC)
ERCP Findings and Follow-up
Post-surgical Complications (Leaks, Strictures)

9. Advanced Modalities and Differential Diagnosis 0%

Role of CT, MRI, and MRCP
Elastography in Cholestatic Diseases
Contrast-Enhanced Ultrasound (CEUS)
Differentiating Malignancy from Benign Lesions

10. Case Studies and Quiz Section 0%

Clinical Case Reviews
Image-Based MCQs
Diagnostic Challenges
Pitfalls and Pearls in Gallbladder Imaging