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Related Concept Videos

Positron Emission Tomography01:29

Positron Emission Tomography

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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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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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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Updated: Jun 11, 2025

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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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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Unusual pattern: Diffuse pulmonary FDG uptake on PET/CT.

Syed Muhammad Awais Bukhari1, Mohamed M Gad2, Amit Gupta1

  • 1Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, OH, USA.

Radiology Case Reports
|October 9, 2024
PubMed
Summary
This summary is machine-generated.

A 75-year-old woman with metastatic head and neck cancer developed a right hilar mass. Advanced imaging revealed pulmonary venous occlusion, not lymphangitic spread, impacting lung perfusion.

Area of Science:

  • Oncology
  • Radiology
  • Pulmonology

Background:

  • A 75-year-old female with metastatic squamous cell carcinoma of the head and neck presented with a right hilar mass.
Keywords:
18FDG PET- CTLung malignancyMetastatic cancer

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  • Initial imaging suggested lymphangitic spread of the neoplasm due to unusual 18-fluorodeoxyglucose (18-FDG) uptake patterns.