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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Intraorbital and intracranial extension of adenoid cystic carcinoma without clinical or radiological lacrimal gland involvement.

Orbit (Amsterdam, Netherlands)·2021
Same author

Granuloma Faciale Involving the Tarsoconjunctival Surface of the Eyelid.

Ophthalmic plastic and reconstructive surgery·2021
Same author

Non-infectious Dacryoadenitis.

Survey of ophthalmology·2021
Same author

Medial Canthal Contraction as a Marker for Orbital Invasion in Basal Cell Carcinoma.

Ophthalmic plastic and reconstructive surgery·2021
Same author

Cerebrospinal Fluid Leak Presenting as a Subperiosteal Collection.

Ophthalmic plastic and reconstructive surgery·2021
Same author

Canthoplasty repair for canthal rounding.

Eye (London, England)·2021

Related Experiment Video

Updated: Dec 27, 2025

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
07:30

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

Published on: October 13, 2017

11.5K

Tear transit time evaluation using real-time technique for dynamic MR dacryocystography.

Swati Singh1, Anuj Dhull2, Dinesh Selva3

  • 1Ophthalmic Plastic Surgery Services, LJ Eye Institute , Ambala, India.

Orbit (Amsterdam, Netherlands)
|March 5, 2020
PubMed
Summary

A new real-time dynamic magnetic resonance dacryocystography (MRDCG) technique reliably assesses lacrimal drainage system (LDS) transit times. This dynamic MRDCG method visualizes contrast flow, providing structural and physiological insights into the LDS.

Keywords:
DacryocystographyMRDCGepiphoralacrimalphysiology

More Related Videos

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
09:32

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

3.3K
Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

19.1K

Related Experiment Videos

Last Updated: Dec 27, 2025

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
07:30

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

Published on: October 13, 2017

11.5K
Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
09:32

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

3.3K
Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

19.1K

Area of Science:

  • Ophthalmology
  • Radiology
  • Medical Imaging

Background:

  • Accurate assessment of the lacrimal drainage system (LDS) is crucial for diagnosing and managing various ocular conditions.
  • Traditional dacryocystography methods may have limitations in dynamic assessment and real-time physiological evaluation of the LDS.

Purpose of the Study:

  • To evaluate the effectiveness of a novel dynamic magnetic resonance dacryocystography (MRDCG) technique.
  • To assess the transit times of contrast material through the lacrimal drainage system (LDS) in asymptomatic individuals.

Main Methods:

  • Dynamic MRDCG was performed on 26 patent LDS in 13 normal individuals using a 3D spoiled gradient recalled acquisition sequence on a 1.5T MR scanner.
  • Diluted gadolinium contrast was instilled into the eyes, and images were acquired every 9.4 seconds for 10 minutes.
  • Transit times for contrast appearance in the lacrimal sac, nasolacrimal duct (NLD), and inferior meatus (IM) were measured.

Main Results:

  • Dynamic MRDCG successfully visualized contrast outflow in all subjects, providing good structural delineation of the LDS.
  • Mean transit times were 15.2s to the lacrimal sac, 50.4s to the NLD, and 150.5s to the IM.
  • Contrast reached the IM within 2 minutes in 62% of systems, with no significant side-to-side differences observed.

Conclusions:

  • Dynamic MRDCG using a real-time 3DSPGR sequence is a reliable method for the structural and physiological assessment of the LDS.
  • This technique offers potential for further investigation into the physiology and pathologies of the lacrimal drainage system.