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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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Related Experiment Video

Updated: Jun 17, 2026

An In Vivo Murine Sciatic Nerve Model of Perineural Invasion

An In Vivo Murine Sciatic Nerve Model of Perineural Invasion

Published on: April 23, 2018

Imaging of Peripheral Intraneural Tumors: A Comprehensive Review for Radiologists.

Kapil Shirodkar¹, Mohsin Hussein¹, Pellakuru Saavi Reddy¹

¹Royal Orthopaedic Hospital, Birmingham B31 2AP, UK.

|January 25, 2025

Summary

This summary is machine-generated.

Accurate diagnosis of intraneural tumors (INTs) relies on identifying key MRI features. This review details imaging characteristics to differentiate benign from malignant INTs, aiding treatment planning.

Keywords:

magnetic resonance imaging biopsy multiparametric magnetic resonance imaging neoplasms radiologists

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Area of Science:

Radiology
Oncology
Neurology

Background:

Intraneural tumors (INTs) present diagnostic challenges due to diverse origins and benign/malignant spectrum.
Accurate diagnosis and management depend on radiologists' skill in identifying imaging features and correlating with clinical findings.

Purpose of the Study:

To systematically review and analyze imaging features for diagnosing intraneural tumors.
To highlight key MRI characteristics for differentiating benign from malignant lesions.

Main Methods:

Comprehensive review of basic and advanced MRI techniques.
Analysis of MR neurography (MRN), diffusion tensor imaging (DTI), and dynamic contrast-enhanced (DCE) MRI.

Main Results:

Specific MRI features like the "target sign" and "split-fat sign" aid tumor characterization.
Advanced multiparametric MRI improves biopsy planning, surgical mapping, and post-treatment monitoring.
Common diagnostic pitfalls and the need for a multidisciplinary approach are emphasized.

Conclusions:

Illustrates main imaging findings of intraneural tumors.
Focuses on crucial MR imaging features for accurate diagnosis and benign/malignant differentiation.