Related Experiment Video

Updated: Aug 15, 2026

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
06:59

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

Published on: February 29, 2020

[Mondini dysplasia: traumatic cerebrospinal fluid otorrhea with meningitis]

H Kaftan1, M Adamaszek, W Hosemann

  • 1Klinik und Poliklinik für Hals-, Nasen- und Ohrenkrankheiten, Kopf- und Hals-Chirurgie, Ernst-Moritz-Arndt-Universität Greifswald. H.Kaftan@web.de

HNO
|October 6, 2005
PubMed

Insights

Mondini dysplasia, a rare inner ear malformation, can lead to hearing loss and meningitis. Unsuspected cases may present with cerebrospinal fluid leaks after head trauma, requiring surgical intervention.

Area of Science:

  • Otolaryngology
  • Neurology
  • Genetics

Background:

  • Mondini dysplasia is a congenital inner ear anomaly characterized by malformation of the cochlea.
  • It often leads to sensorineural hearing loss and vestibular dysfunction.
  • Patients are at increased risk for spontaneous cerebrospinal fluid (CSF) leaks and meningitis.

Observation:

  • A 65-year-old man with undiagnosed unilateral Mondini dysplasia presented with meningoencephalitis.
  • The condition was precipitated by minor head trauma, leading to a CSF leak.
  • Two surgical procedures were required to successfully repair the defect.

Findings:

  • Undiagnosed Mondini dysplasia can remain asymptomatic for decades.
  • Head trauma can trigger serious complications like CSF leaks and meningitis in affected individuals.
  • Early diagnosis and awareness are crucial for managing this condition.

Implications:

  • Patients with Mondini dysplasia require counseling regarding the risks associated with head trauma.
  • Prompt diagnosis and management are essential to prevent severe neurological complications.
  • This case highlights the importance of considering rare congenital malformations in adult-onset neurological symptoms.

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