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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
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Related Experiment Video

Updated: Jan 22, 2026

Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
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Celiac Disease on FDG PET/CT.

Anthony Joshua Cardin1, Mihir Patel, Dickson Ma

  • 1From the Barwon Medical Imaging, University Hospital Geelong, Geelong, Victoria, Australia.

Clinical Nuclear Medicine
|July 6, 2019
PubMed
Summary

Positron emission tomography/computed tomography (PET/CT) revealed findings suggestive of celiac disease in a patient investigated for lymphoma. Elevated celiac antibodies and genetic markers confirmed the diagnosis.

Area of Science:

  • Gastroenterology
  • Immunology
  • Nuclear Medicine

Background:

  • Investigating unexplained lymphocytosis and suspected lymphoma in a 52-year-old male.
  • Utilizing fluorine-18-fluorodeoxyglucose (FDG) Positron Emission Tomography/Computed Tomography (PET/CT) for diagnostic imaging.

Observation:

  • PET/CT showed diffuse small bowel uptake and prominent mesenteric lymph nodes.
  • Mesenteric lymph nodes exhibited minimal FDG uptake, a pattern atypical for lymphoma.

Findings:

  • The imaging findings were suggestive of celiac disease.
  • Elevated deamidated gliadin IgG and tissue transglutaminase IgA antibodies confirmed celiac disease.
  • HLA DQ2 and DQ8 allele positivity and duodenal biopsy further supported the diagnosis.

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Whole Body and Regional Quantification of Active Human Brown Adipose Tissue Using 18F-FDG PET/CT
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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Implications:

  • Highlights the utility of FDG PET/CT in identifying gastrointestinal conditions beyond malignancy.
  • Suggests considering celiac disease in differential diagnoses for patients with unexplained lymphocytosis and abdominal symptoms.
  • Underscores the importance of integrating imaging findings with serological and histopathological data for accurate diagnosis.