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Related Concept Videos

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Positron Emission Tomography01:29

Positron Emission Tomography

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 being...

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Related Experiment Video

Updated: Jun 23, 2026

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement
06:33

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement

Published on: July 29, 2013

Computed tomography unmasks a phantom tumour.

Timo Baks, Marc C Kock, Marcel J M Kofflard

    International Journal of Cardiology
    |April 22, 2009
    PubMed
    Summary

    A phantom tumor, a loculated effusion in the interlobular fissure, was observed in a patient with congestive heart failure. This finding resolved with heart failure treatment, highlighting the importance of managing underlying conditions.

    Area of Science:

    • Cardiology
    • Radiology
    • Pulmonology

    Background:

    • Congestive heart failure (CHF) can present with diverse and sometimes misleading radiological findings.
    • Differentiating true cardiac or pulmonary masses from pseudotumors is crucial for accurate diagnosis and treatment.

    Observation:

    • A round-shaped mass was detected on chest X-ray in a patient presenting with left-sided congestive heart failure.
    • Computed tomography (CT) imaging characterized the mass as a loculated effusion within an interlobular fissure.

    Findings:

    • The observed mass was diagnosed as a "phantom tumor," a transient finding related to fluid accumulation.
    • Resolution of the phantom tumor was documented following the initiation of treatment for the patient's underlying congestive heart failure.

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    Published on: July 17, 2012

    Patient-Specific Polyvinyl Alcohol Phantom Fabrication with Ultrasound and X-Ray Contrast for Brain Tumor Surgery Planning
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    Patient-Specific Polyvinyl Alcohol Phantom Fabrication with Ultrasound and X-Ray Contrast for Brain Tumor Surgery Planning

    Published on: July 14, 2020

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    Last Updated: Jun 23, 2026

    Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement
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    Published on: July 29, 2013

    Computed Tomography-guided Time-domain Diffuse Fluorescence Tomography in Small Animals for Localization of Cancer Biomarkers
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    Computed Tomography-guided Time-domain Diffuse Fluorescence Tomography in Small Animals for Localization of Cancer Biomarkers

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    Patient-Specific Polyvinyl Alcohol Phantom Fabrication with Ultrasound and X-Ray Contrast for Brain Tumor Surgery Planning
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    Patient-Specific Polyvinyl Alcohol Phantom Fabrication with Ultrasound and X-Ray Contrast for Brain Tumor Surgery Planning

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    Implications:

    • This case underscores the importance of considering and treating underlying systemic conditions, such as heart failure, when interpreting ambiguous thoracic imaging findings.
    • Recognizing phantom tumors can prevent unnecessary invasive procedures and guide appropriate clinical management.
    • Effective management of congestive heart failure can lead to the resolution of associated pseudotumoral lesions.