Related Experiment Video
Updated: Jun 10, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
[Acute dacryocystitis complicating primary mononucleosis infection]
C Delbet1, N PhamDang, J-M Mondie
1Service de stomatologie et chirurgie maxillofaciale, CHU de Clermont-Ferrand, boulevard Léon-Malfreyt, 63000 Clermont-Ferrand, France. delbet.candice@gmail.com
Dacryocystitis, a rare complication of infectious mononucleosis (also known as Epstein-Barr virus infection), can rapidly progress to severe orbital cellulitis. Prompt surgical intervention may be necessary for effective treatment.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Pediatrics
Background:
- Infectious mononucleosis can cause various complications, including tonsillar hyperplasia.
- Dacryocystitis, an inflammation of the tear sac, is a rare but serious complication of infectious mononucleosis.
Observation:
- A 6-year-old child presented with acute dacryocystitis eight days after infectious mononucleosis diagnosis.
- The condition rapidly evolved into orbital cellulitis despite antibiotic treatment.
Findings:
- Dacryocystitis is an uncommon complication of Epstein-Barr virus (EBV) infection.
- Acute dacryocystitis can rapidly progress to severe orbital cellulitis.
- Pathophysiology involves acute obstruction of the lacrimal sac due to lymphoid hyperplasia.
Implications:
- Early recognition of dacryocystitis in EBV infection is crucial.
- Prompt surgical drainage may be required for severe cases.
- Understanding the specific pathophysiology aids in managing this rare complication.
Related Concept Videos
Acute Pharyngitis
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:
Cryptococcal Meningitis
Cytomegalovirus Disease
Tonsillitis I: Introduction
Etiology
Three primary contributing factors have been identified.
Tonsillitis II: Management
Diphtheria