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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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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.
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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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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...
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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Imaging Studies I: CT and MRI01:14

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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.
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Related Experiment Video

Updated: Oct 19, 2025

Multi-modal Imaging of Angiogenesis in a Nude Rat Model of Breast Cancer Bone Metastasis Using Magnetic Resonance Imaging, Volumetric Computed Tomography and Ultrasound
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Imaging update on soft tissue sarcoma.

Aanand M Vibhakar1, James A Cassels2, Rajesh Botchu3

  • 1Department of Radiology, Leicester Royal Infirmary, University Hospitals of Leicester, Leicester, United Kingdom.

Journal of Clinical Orthopaedics and Trauma
|September 27, 2021
PubMed
Summary
This summary is machine-generated.

This article reviews imaging for soft tissue sarcomas (STS), rare tumors presenting as lumps. It highlights current concepts and recent advances in extremity STS assessment using MRI and PET/CT.

Keywords:
Advances or current concepts or imaging conceptsCT, computed tomographyDCE-MRI, dynamic contrast enhanced magnetic resonance imagingDWI, diffusion weighted imagingFDG, fluorodeoxyglucoseImaging or radiology or musculoskeletal radiology or MSK RadiologyMRI, magnetic resonance imagingMSK, musculoskeletalPET, positron emission tomographySTS, soft tissue sarcomaSoft tissue sarcoma or soft tissue sarcomas or STS or STSs or sarcoma or sarcomasUltrasound or magnetic resonance imaging or MRI or PET-CT or CT or Computed tomography or X-Ray or contrast enhanced ultrasound or CEUS or Diffusion weighted imaging or DWI or Dynamic contrast enhancement or DCE-MRI or whole body MRIWBMRI, whole body MRI

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Area of Science:

  • Oncology
  • Radiology
  • Medical Imaging

Background:

  • Soft tissue sarcomas (STS) are rare tumors often presenting as palpable soft tissue lumps.
  • Initial assessment typically involves ultrasound, with magnetic resonance imaging (MRI) being the primary modality for lesion characterization.
  • Positron emission tomography/computed tomography (PET/CT) and advanced MRI techniques serve as adjuncts for staging and recurrence assessment.

Purpose of the Study:

  • To discuss current concepts in the imaging of extremity soft tissue sarcomas.
  • To highlight recent advancements in diagnostic and staging modalities for STS.

Main Methods:

  • Review of current imaging practices for soft tissue sarcomas.
  • Discussion of established techniques like ultrasound and MRI.
  • Exploration of advanced imaging modalities including PET/CT, diffusion-weighted imaging (DWI), dynamic contrast-enhanced MRI (DCE-MRI), whole-body MRI, and hybrid PET/MRI.
  • Consideration of artificial intelligence (AI) in STS imaging.

Main Results:

  • Ultrasound is the initial assessment tool for soft tissue lumps.
  • MRI is the mainstay for characterizing soft tissue sarcoma lesions.
  • PET/CT and advanced MRI sequences are valuable for staging and detecting recurrence.
  • Emerging technologies like whole-body MRI, PET/MRI, DWI, DCE-MRI, and AI show promise for improved STS evaluation.

Conclusions:

  • Current imaging strategies for extremity STS rely on a combination of established and advanced techniques.
  • Recent technological advancements, including AI and novel MRI sequences, are enhancing the capabilities for STS staging and recurrence detection.
  • Continued research and integration of these new technologies are crucial for optimizing patient management.