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Related Concept Videos

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 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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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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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 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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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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Related Experiment Video

Updated: Aug 9, 2025

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
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Visualization and quantification of coconut using advanced computed tomography postprocessing technology.

Shenghuang Lin1, Yu Zhang2, Li'an Luo3

  • 1Haikou Affiliated Hospital of Central South University Xiangya School of Medicine, Haikou, China.

Plos One
|February 24, 2023
PubMed
Summary

Computed tomography (CT) offers valuable insights into coconut internal structures and germination changes. This non-invasive imaging technique quantifies morphological and compositional shifts, proving useful for coconut analysis.

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Area of Science:

  • Agricultural Science
  • Medical Imaging

Background:

  • Computed tomography (CT) is a widely used non-invasive medical imaging technique.
  • Understanding the internal structure and developmental changes in coconuts is crucial for agricultural and research purposes.

Purpose of the Study:

  • To explore the utility of CT for visualizing and quantifying the internal structures of coconuts.
  • To monitor morphological and compositional changes in coconuts during germination using CT.

Main Methods:

  • Twelve coconuts were scanned using a dual-source CT scanner over three months.
  • Three-dimensional models were created using volume rendering (VR), and multiplanar reformation (MPR) was used for plane sections.
  • Morphological parameters and CT values of various coconut components were measured and statistically analyzed.

Main Results:

  • MPR images and VR models provided excellent visualization of coconut structures.
  • Coconut weight and liquid endosperm volume decreased significantly over three months.
  • Significant correlations were found between bud CT value, liquid endosperm volume, and bud height during germination.

Conclusions:

  • CT technology enables effective visualization and quantitative analysis of internal coconut structures.
  • CT can detect morphological and compositional changes during coconut germination.
  • CT is a promising tool for comprehensive coconut analysis.