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Related Concept Videos

Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Imaging Studies for Cardiovascular System V: CT01:28

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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 VI: Voiding Cystourethrography and Cystography01:22

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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Updated: Mar 1, 2026

Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
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Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model

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Radiology and imaging for cavernous malformations.

Kevin Y Wang1, Oluwatoyin R Idowu2, Doris D M Lin2

  • 1Department of Radiology, Baylor College of Medicine, Houston, TX, USA; Division of Neuroradiology, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Handbook of Clinical Neurology
|May 30, 2017
PubMed
Summary
This summary is machine-generated.

Cavernous malformations are vascular brain abnormalities. Magnetic resonance imaging (MRI) is crucial for diagnosing these lesions, offering detailed views of their characteristic appearance and associated anomalies.

Keywords:
cavernomacavernous angiomacavernous hemangiomacavernous malformationcomputed tomographygradient-echo imagingmagnetic resonance imagingsusceptibility-weighted imaging

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Area of Science:

  • Neurology
  • Radiology
  • Vascular Biology

Background:

  • Cavernous malformations (CMs) are low-flow vascular malformations.
  • Histologically, they lack mature vascular structures and neural tissue.
  • Clinically, CMs can be asymptomatic or present with neurological deficits due to hemorrhage.

Purpose of the Study:

  • To review the diagnostic utility of Magnetic Resonance Imaging (MRI) for cavernous malformations.
  • To highlight characteristic MRI findings and associated anomalies.
  • To compare different MRI sequences for optimal detection.

Main Methods:

  • Review of MRI features of cavernous malformations.
  • Analysis of T1- and T2-weighted imaging, gradient-echo, and susceptibility-weighted imaging (SWI).
  • Evaluation of contrast enhancement for detecting associated developmental venous anomalies (DVAs).

Main Results:

  • Cavernous malformations exhibit a reticulated pattern of mixed intensity on T1- and T2-weighted MRI.
  • A hypointense rim on T2-weighted or gradient-echo sequences is characteristic.
  • SWI is highly sensitive for detecting CMs and associated DVAs, outperforming gradient-echo sequences for multifocal and familial cases.

Conclusions:

  • MRI is the primary imaging modality for diagnosing cavernous malformations.
  • Specific MRI sequences, particularly SWI, enhance detection sensitivity.
  • MRI aids in identifying associated DVAs, crucial for comprehensive evaluation.