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

Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...

You might also read

Related Articles

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

Sort by
Same author

Dacryocystorhinostomy Practice Patterns Among ASOPRS Members: A Shift in Preferences and Attitudes.

Ophthalmic plastic and reconstructive surgery·2026
Same author

The Establishment of a Standardized International Classification of Diseases Code for Thyroid Eye Disease.

Ophthalmic plastic and reconstructive surgery·2026
Same author

Practice Patterns and Outcomes of Dacryocystorhinostomy for Secondary Nasolacrimal Duct Obstruction.

American journal of rhinology & allergy·2025
Same author

An Atypical Presentation of Thyroid Eye Disease in a Patient With a Remote History of Graves' Disease.

Cureus·2025
Same author

Clinical features and outcomes of melanoma involving eyelid and conjunctiva.

Canadian journal of ophthalmology. Journal canadien d'ophtalmologie·2025
Same author

Predicting visual acuity recovery in orbital decompression surgery for dysthyroid optic neuropathy.

Thyroid research·2025
Same journal

Hyper Immunoglobulin E Syndrome With Conjunctival Molluscum Contagiosum.

Ophthalmic plastic and reconstructive surgery·2026
Same journal

Ethmoiditis Mimicking Acute Dacryocystitis-An Underreported Pathology.

Ophthalmic plastic and reconstructive surgery·2026
Same journal

Orbital Inflammatory Syndrome Associated with Bispecific T-Cell Engager Therapy: Case and Literature Review.

Ophthalmic plastic and reconstructive surgery·2026
Same journal

A Rare Pedunculated Lobular Capillary Hemangioma of the Conjunctiva.

Ophthalmic plastic and reconstructive surgery·2026
Same journal

Core Oculoplastic Procedure Skills for the Comprehensive Ophthalmologist: A Consensus by Delphi Methodology.

Ophthalmic plastic and reconstructive surgery·2026
Same journal

The Role of Corneal Sensation in Facial Nerve Paralysis.

Ophthalmic plastic and reconstructive surgery·2026
See all related articles

Related Experiment Video

Updated: Jun 18, 2026

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

Primary canaliculitis.

Renzo A Zaldívar1, Elizabeth A Bradley

  • 1Department of Ophthalmology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA. zaldivar.renzo@gmail.com

Ophthalmic Plastic and Reconstructive Surgery
|November 26, 2009
PubMed
Summary
This summary is machine-generated.

Primary canaliculitis, an infection of the tear drainage system, often involves multiple canaliculi over time. However, most patients achieve long-term symptom relief with appropriate treatment.

Related Experiment Videos

Last Updated: Jun 18, 2026

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

Area of Science:

  • Ophthalmology
  • Medical Microbiology

Background:

  • Primary canaliculitis is an uncommon infection affecting the tear drainage system.
  • Understanding its clinical course, microbiology, and treatment outcomes is crucial for effective patient management.

Purpose of the Study:

  • To review the clinical findings, treatment outcomes, and microbiology of primary canaliculitis.
  • To assess long-term patient outcomes and identify common pathogens.

Main Methods:

  • Retrospective review of 23 primary canaliculitis cases.
  • Analysis of clinical presentation, treatment interventions, and microbiological cultures.
  • Long-term follow-up via mailed surveys to assess persistent symptoms.

Main Results:

  • Common symptoms include mattering and epiphora, with punctal regurgitation as a frequent sign.
  • Gram-positive anaerobes and facultative anaerobes, notably Streptococcus and Staphylococcus species, were the predominant organisms.
  • Most patients (83%) reported resolution of symptoms at a median of 90 months follow-up, despite potential for multiple canalicular involvement.

Conclusions:

  • Primary canaliculitis can affect multiple canaliculi but typically resolves with treatment.
  • The microbiology remains consistent, with anaerobic and facultative anaerobic bacteria as common pathogens.
  • Long-term prognosis is generally favorable, with minimal residual symptoms for most patients.