Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Digital TV tomography: description and physical assessment.

M Takahashi1, S Yoshioka, H Bussaka

  • 1Department of Radiology, Kumamoto University School of Medicine, Japan.

Medical Physics
|July 1, 1990
PubMed
Summary

A new digital TV tomography system enables retrospective reconstruction of multiple tomographic images. This digital imaging method offers lower radiation exposure and faster scans compared to conventional tomography.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Impact of the Coronavirus Disease 2019 Outbreak on Activity and Exercise Levels among Older Patients.

The journal of nutrition, health & aging·2021
Same author

Neighbourhood relationships moderate the positive association between family caregiver burden and psychological distress in Japanese adults: a cross-sectional study.

Public health·2020
Same author

Accuracy of self-reported height, weight and waist circumference in a Japanese sample.

Obesity science & practice·2017
Same author

High-resolution CT findings of primary lung cancer with cavitation: a comparison between adenocarcinoma and squamous cell carcinoma.

Clinical radiology·2016
Same author

Sulfated N-Myristoyl Chitosan as a Surface Modifier of Liposomes.

Bioscience, biotechnology, and biochemistry·2016
Same author

Transvenous Embolization of a Dural Arteriovenous Fistula Involving the Suboccipital Cavernous Sinus.

Clinical neuroradiology·2014

Area of Science:

  • Medical Imaging
  • Radiology
  • Digital Tomography

Background:

  • Conventional tomography involves multiple exposures, leading to higher radiation doses.
  • Digital imaging offers potential for improved image manipulation and archiving.

Purpose of the Study:

  • To develop and evaluate a digital TV tomography system for retrospective image reconstruction.
  • To assess the physical characteristics and performance of the new digital tomography system.

Main Methods:

  • Developed a digital TV tomography system using a linear tomographic X-ray unit and image intensifier-television system.
  • Acquired digital data through 30 pulsed exposures during linear system motion.
  • Implemented a distortion correction algorithm for image intensifier surface irregularities.

Related Experiment Videos

Main Results:

  • The system allows retrospective reconstruction of multiple digital tomographic images.
  • Phantom studies indicated a slight decrease in square-wave response compared to conventional tomography, especially away from the fulcrum plane.
  • The exposure dose for a single image was approximately half that of conventional tomography.

Conclusions:

  • The digital TV tomography system demonstrates potential for radiology due to advantages like low exposure and digital manipulation.
  • Further technical refinements are needed for widespread clinical adoption.
  • The system's applicability to Picture Archiving and Communication Systems (PACS) is a significant advantage.