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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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Related Experiment Video

Updated: Nov 3, 2025

Optimization of Renal Organoid and Organotypic Culture for Vascularization, Extended Development, and Improved Microscopy Imaging

Optimization of Renal Organoid and Organotypic Culture for Vascularization, Extended Development, and Improved Microscopy Imaging

Published on: March 28, 2020

Imaging the Renal Microcirculation in Cell Therapy.

Katerina Apelt^1,2, Roel Bijkerk^1,2, Franck Lebrin^1,2,3

¹Department of Internal Medicine-Nephrology, Leiden University Medical Center, 2333ZA Leiden, The Netherlands.

|June 2, 2021

Summary

Renal microvascular rarefaction is key in kidney disease progression. New imaging methods are needed to safely monitor these changes, potentially revolutionizing nephrology diagnosis and treatment.

Keywords:

cell therapy imaging kidney microcirculation microvascular rarefaction

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Last Updated: Nov 3, 2025

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Published on: April 12, 2017

Area of Science:

Nephrology
Medical Imaging
Vascular Biology

Background:

Renal microvascular rarefaction is a critical factor in the progression of kidney disease.
Current clinical practices lack effective non-invasive imaging to monitor renal microvascular changes over time.
Understanding renal microcirculation is crucial for developing new diagnostic and therapeutic strategies.

Purpose of the Study:

To review the current understanding of renal microcirculation and its role in progressive kidney disease.
To provide an overview of existing imaging techniques for assessing renal microvasculature.
To highlight the need for advanced imaging modalities for improved nephrology care.

Main Methods:

Literature review of renal microcirculation and kidney disease.
Analysis of current imaging modalities for renal microvascular assessment.
Discussion of benefits and limitations of existing techniques.

Main Results:

Renal microvascular rarefaction significantly contributes to kidney disease.
Existing imaging techniques have limitations in non-invasively monitoring renal microvasculature.
There is a clear need for advanced in vivo imaging with capillary-level resolution.

Conclusions:

Advanced imaging techniques are essential for understanding renal disease mechanisms.
Developing non-invasive, safe, and efficient modalities is critical for clinical practice.
In vivo imaging at capillary resolution could shift paradigms in nephrology diagnosis and therapy.