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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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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Computed Tomography01:10

Computed Tomography

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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.
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...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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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.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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 Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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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.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
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OCT Imaging in Infants.

Sushma Jayanna1, Subhadra Jalali1, Tapas R Padhi2

  • 1Consultant Ophthalmologist, Department of Srimathi Kannuri Santhamma Center of Vitreoretinal Eye Disease, Kallam Anji Reddy Campus, LV Prasad Eye Institute, Hyderabad, Telangana, India.

Seminars in Ophthalmology
|September 9, 2021
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) offers valuable insights into infant retinal diseases. This review highlights OCT

Keywords:
InfantsOptical coherence tomography (OCT)Retinopathy of Prematurity (ROP)infant choroidinherited retinal dystrophiesmacula diseasesretinal tumorsretinal vascular diseases

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Area of Science:

  • Ophthalmology
  • Pediatric Retinal Diseases
  • Medical Imaging

Background:

  • Optical coherence tomography (OCT) is a standard diagnostic tool for adult retinal conditions, particularly macular diseases.
  • Its application in pediatric retinal diseases, especially in neonates and infants, remains under-utilized and less reported.
  • Limited research and data availability in this field stem from challenges in image acquisition and device limitations.

Purpose of the Study:

  • To review the current applications and significance of OCT in diagnosing various infantile retinal pathologies.
  • To focus on the use of OCT in neonates and infants for conditions including vascular diseases, tumors, retinal dystrophies, and optic nerve pathologies.
  • To explore the role of OCT in examining the infant choroid and discuss future directions, such as OCT angiography for infants.

Main Methods:

  • Literature review of existing studies on OCT utilization in pediatric retinal diseases.
  • Analysis of challenges and limitations in infant OCT imaging.
  • Discussion of current and potential future applications of OCT and OCT angiography in infants.

Main Results:

  • OCT is crucial for diagnosing and managing a range of infantile retinal pathologies, despite underutilization.
  • Specific infantile conditions where OCT provides critical diagnostic information include vascular diseases, tumors, dystrophies, and optic nerve issues.
  • OCT angiography shows promise for enhanced visualization of infant retinal vasculature.

Conclusions:

  • OCT is an important, though underused, tool for diagnosing and managing retinal diseases in infants.
  • Addressing technical challenges in infant OCT imaging is key to expanding its clinical utility.
  • Future research, including the use of OCT angiography, holds significant potential for advancing pediatric ophthalmology.