Related Experiment Video
Updated: May 17, 2026

06:59
Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
Published on: February 29, 2020
Congenital incudostapedial malformation.
S M Iqbal1, P K Banerjee, N Sharma
1Department of E.N.T., JLN Hospital & Research Centre Bhilai Steel Plant, 490 006 Bhilai, MP.
Summary
A rare case of bilateral symmetrical conductive deafness was identified in a 45-year-old female. Surgical exploration revealed a unique anomaly of the incudostapedial complex, offering new insights into hearing loss causes.
Area of Science:
- Otolaryngology
- Audiology
- Medical Case Reports
Background:
- Conductive deafness can arise from various middle ear pathologies.
- The incudostapedial complex is crucial for sound transmission.
- Bilateral symmetrical involvement is less common for specific anomalies.
Purpose of the Study:
- To present a rare case of bilateral symmetrical conductive deafness.
- To describe a unique anomaly of the incudostapedial complex.
- To contribute to the understanding of rare hearing loss etiologies.
Main Methods:
- Case presentation of a 45-year-old female with bilateral conductive hearing loss.
- Surgical intervention via tympanotomy for diagnostic and potential therapeutic purposes.
- Detailed intraoperative observation and documentation of the incudostapedial joint.
Main Results:
- The patient presented with bilateral symmetrical conductive deafness.
- Tympanotomy revealed a previously undocumented anomaly affecting the incudostapedial complex.
- The specific nature of the anomaly was identified as unique.
Conclusions:
- This case highlights a rare cause of bilateral conductive hearing loss.
- The unique incudostapedial anomaly represents a novel finding in otology.
- Further investigation into such anomalies may improve diagnostic and treatment strategies for hearing impairment.

