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Related Concept Videos

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...
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 VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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...
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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Related Experiment Video

Updated: Jun 9, 2026

Alignment of Visible-Light Optical Coherence Tomography Fibergrams with Confocal Images of the Same Mouse Retina
07:02

Alignment of Visible-Light Optical Coherence Tomography Fibergrams with Confocal Images of the Same Mouse Retina

Published on: June 30, 2023

Combined image-processing algorithms for improved optical coherence tomography of prostate nerves.

Shahab Chitchian1, Thomas P Weldon, Michael A Fiddy

  • 1University of North Carolina at Charlotte, Department of Physics and Optical Science, Charlotte, North Carolina 28223, USA. schitchi@uncc.edu

Journal of Biomedical Optics
|August 31, 2010
PubMed
Summary

This study enhances cavernous nerve identification in rat prostates using advanced imaging algorithms. Improved visualization aids nerve-sparing prostate cancer surgery.

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3D Imaging of Soft-Tissue Samples using an X-ray Specific Staining Method and Nanoscopic Computed Tomography
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3D Imaging of Soft-Tissue Samples using an X-ray Specific Staining Method and Nanoscopic Computed Tomography

Published on: October 24, 2019

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Last Updated: Jun 9, 2026

Alignment of Visible-Light Optical Coherence Tomography Fibergrams with Confocal Images of the Same Mouse Retina
07:02

Alignment of Visible-Light Optical Coherence Tomography Fibergrams with Confocal Images of the Same Mouse Retina

Published on: June 30, 2023

3D Imaging of Soft-Tissue Samples using an X-ray Specific Staining Method and Nanoscopic Computed Tomography
07:01

3D Imaging of Soft-Tissue Samples using an X-ray Specific Staining Method and Nanoscopic Computed Tomography

Published on: October 24, 2019

Area of Science:

  • Biomedical Engineering
  • Surgical Technology
  • Medical Imaging

Background:

  • Cavernous nerves are crucial for erectile function and are vulnerable during prostate cancer surgery.
  • Accurate identification of these nerves is essential for nerve-sparing procedures.

Purpose of the Study:

  • To develop and evaluate image processing algorithms for improved identification of cavernous nerves in rat prostate tissue.
  • To enhance the visualization of delicate nerve structures during surgical planning.

Main Methods:

  • Application of segmentation algorithms to differentiate nerves from prostate tissue.
  • Utilizing a dual-tree complex wavelet transform for locally adaptive denoising to reduce speckle noise.
  • Employing edge detection for deeper imaging penetration of the prostate gland.

Main Results:

  • Achieved improved signal-to-noise ratio and imaging depth in optical coherence tomography (OCT) images.
  • Demonstrated automatic identification of cavernous nerves with enhanced clarity.
  • The combined algorithms significantly improved the visualization of nerve structures.

Conclusions:

  • The integrated image processing approach effectively enhances cavernous nerve identification in OCT images.
  • This technique shows potential for direct application in improving nerve-sparing outcomes in laparoscopic and robotic prostate cancer surgery.