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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.
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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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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.
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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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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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Updated: Apr 15, 2026

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
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Molecular Imaging in Optical Coherence Tomography.

Scott P Mattison1, Wihan Kim1, Jesung Park1

  • 1Department of Biomedical Engineering, Texas A&M University, 3120 TAMU, College Station, TX 77843.

Current Molecular Imaging
|March 31, 2015
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) offers high-speed, 3D imaging. New methods are being developed to add molecular contrast to OCT, enhancing its clinical applications by overcoming fundamental limitations.

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Area of Science:

  • Biomedical Imaging
  • Optical Physics
  • Medical Technology

Background:

  • Optical coherence tomography (OCT) provides high-resolution, 3D morphological imaging at micron scales.
  • Adding molecular contrast to OCT is crucial for expanding its clinical utility.
  • Existing OCT methods face limitations in directly utilizing molecular processes like fluorescence or Raman scattering.

Purpose of the Study:

  • To review current approaches for achieving molecular contrast in OCT.
  • To focus on methods that modulate the OCT signal for molecular information.
  • To provide an overview of multimodal strategies combining OCT with other molecular imaging techniques.

Main Methods:

  • Review of diverse strategies for generating molecular contrast in OCT.
  • Analysis of techniques directly modulating the OCT signal.
  • Exploration of multimodal imaging combinations with OCT.

Main Results:

  • Several approaches are under investigation to imbue OCT with molecular specificity.
  • Methods modulating the OCT signal are a key focus for direct molecular contrast.
  • Multimodal techniques offer complementary routes to molecularly-informed OCT.

Conclusions:

  • Developing molecular contrast for OCT is an active research area with significant potential.
  • Modulating the OCT signal directly offers a promising path for molecular imaging.
  • Multimodal approaches provide alternative and complementary strategies for enhanced OCT molecular imaging.