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Radiology

Gastrointestinal, Liver–spleen, and Hepatobiliary Scintigraphy

Built from Fundamentals of Diagnostic Radiology

The first 25 slides of Gastrointestinal, Liver–spleen, and Hepatobiliary Scintigraphy
The first 25 slides, exactly as they appear. The full deck has 63 content slides.

What’s inside

6 sections · 63 slides

  1. 01

    Overview

    • Nuclear medicine studies of the GI tract
    • Studies in this topic

    2 slides

  2. 02

    Esophageal and gastric motility

    Swallowing, reflux, and stomach emptying

    • Esophageal transit study
    • Normal esophageal transit study
    • Separating achalasia and scleroderma
    • Gastroesophageal reflux study
    • Reflux scintigraphy technique
    • Gastroesophageal reflux study
    • Gastric emptying study
    • Half-emptying time (T½)
    • The standard test meal
    • Gastric emptying imaging times
    • Normal gastric emptying
    • Normal limits for gastric retention
    • Normal limits for gastric retention
    • Delayed gastric emptying (gastroparesis)
    • Bowel transit extension

    15 slides

  3. 03

    GI bleeding and Meckel scan

    Finding the source of intestinal blood loss

    • Indications for GI bleeding scintigraphy
    • GI bleeding study technique
    • Three cardinal findings of active bleeding
    • Interpreting the bleeding images
    • Upper GI bleed from gastric varices
    • Splenic flexure bleed in the colon
    • Cecal bleed from angiodysplasia
    • Meckel diverticulum
    • Meckel scan technique
    • Meckel diverticulum

    10 slides

  4. 04

    Liver and spleen studies

    Colloid imaging and splenic tissue

    • Liver/spleen scan basics
    • Limits and specific uses
    • Liver and spleen size, shape, position
    • Normal liver/spleen scan
    • Colloid shift in cirrhosis
    • Liver/spleen scan in cirrhosis
    • Liver/spleen subtraction
    • Liver/spleen subtraction from a gallium-67 scan
    • Heat-damaged red cell scan
    • SPECT/CT of splenosis

    10 slides

  5. 05

    Hepatobiliary imaging

    Gallbladder, bile ducts, and cholecystitis

    • Hepatobiliary tracers
    • Normal hepatobiliary scan
    • Normal hepatobiliary sequence
    • Normal hepatobiliary scan
    • Acute cholecystitis hallmark
    • Test performance and morphine
    • Rim sign
    • Acute cholecystitis on hepatobiliary scan
    • Pitfalls and false positives
    • Acalculous biliary disease
    • Gallbladder ejection fraction (GBEF)
    • Normal gallbladder ejection fraction
    • Low gallbladder ejection fraction
    • Other hepatobiliary uses
    • Biliary leak after cholecystectomy
    • Biliary atresia vs neonatal hepatitis
    • Biliary atresia on HIDA scan

    17 slides

  6. 06

    Hepatic blood pool scintigraphy

    Diagnosing cavernous hemangioma

    • Hepatic hemangioma
    • Blood pool scan for hemangioma
    • Blood flow in hemangioma vs tumor
    • Accuracy and limits
    • Hepatic hemangioma on blood pool SPECT
    • References
    • References (continued)
    • References (continued)
    • Brant and Helms' Fundamentals of Diagnostic Radiology

    9 slides