Related Experiment Video
Updated: May 11, 2026

Evaluation of Planar-Cell-Polarity Phenotypes in Ciliopathy Mouse Mutant Cochlea
Published on: February 21, 2016
Syndromic Association of Depigmentation With Congenital Hearing Loss: A Review of Three Children With Auditory
Shabari Ghosh1, Mainak Dutta2, Diptanshu Mukherjee1
1Department of Otorhinolaryngology and Head-Neck Surgery, Medical College and Hospital, Kolkata, West Bengal, India.
Insights
Auditory pigmentary disorders (APDs) link congenital depigmentation with hearing loss, affecting speech development. Early diagnosis and intervention are crucial for managing these rare genetic syndromes.
Area of Science:
- Genetics
- Ophthalmology
- Audiology
Background:
- Congenital depigmentation can co-occur with congenital sensorineural hearing loss.
- This association may lead to delayed or absent verbal speech development.
- Auditory Pigmentary Disorders (APDs) encompass a group of syndromic conditions.
Purpose of the Study:
- To present the clinical characteristics and diagnostic work-up of three children with APDs.
- To review the literature on auditory pigmentary disorders.
- To highlight the importance of recognizing these rare syndromes.
Main Methods:
- A case series approach was utilized.
- Literature review was conducted to supplement case findings.
- Clinical features, audiologic tests, imaging, and genetic testing were evaluated.
Main Results:
- Three cases of APDs were identified: Waardenburg syndrome type 1, Clouston syndrome, and Waardenburg syndrome type 4 (Waardenburg-Shah syndrome).
- All affected children presented with hearing loss, delayed speech development, and oculocutaneous depigmentation.
- Diagnostic challenges and differential diagnoses were discussed.
Conclusions:
- APDs represent syndromic disorders connecting congenital depigmentation and prelingual hearing loss.
- Knowledge of these rare conditions is vital for early diagnosis of congenital hearing loss.
- Timely auditory and speech rehabilitation is essential for affected individuals.
Abstract:
Background: Congenital depigmentation may be associated with congenital sensorineural hearing loss leading to non-development of verbal speech. Objective: To illustrate the clinical features and work-up of 3 children diagnosed with auditory pigmentary disorders (APDs). Methodology: Case series with a review of the literature. Results: The APDs presented here in the 3 children include Waardenburg syndrome type 1, Clouston syndrome, and Waardenburg syndrome type 4 (Waardenburg-Shah syndrome). The characteristic clinical features, audiologic tests, imaging, and the necessary genetic tests carried out subsequently were noted and evaluated. All the children were male and were aged 2 years, 1 year, and 14 months, respectively. All of them had hearing loss and non-development of verbal speech and had some form of oculocutaneous depigmentation. The challenges in the diagnosis, the work-up, and the close differentials were discussed, and the relevant literature was reviewed. Conclusions: The APDs connect congenital depigmentation with prelingual hearing loss through various syndromic disorders. These disorders are not commonly encountered in routine clinical practice; therefore, their proper knowledge is essential for early diagnosis of congenital hearing loss and timely initiation of auditory and speech rehabilitation. This case series deals with a detailed illustration of a few syndromes of the APDs and highlights their clinical presentation and genetic background.
Related Concept Videos
Pedigree Analysis
Pleiotropy
Genomic Imprinting and Inheritance
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
Unrenewable Cells
Photoreceptors
The retina is composed of several layers and contains specialized cells called photoreceptors. The photoreceptors (rods and cones) change their membrane potential when stimulated by light energy. There are two types of photoreceptors—rods and cones—which differ in the shape of their outer...
Changes in Skin Color: Clinical Perspectives
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Photoreceptors and Visual Pathways

