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HK J Paediatr (New Series)
Vol 28. No. 1,
2023
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HK J Paediatr (New Series) 2023;28:76
Clinical Quiz
What is the diagnosis?
IHY Ng, WWL Lo, SSW Cheng, IFM Lo The clinical quiz was prepared by: IHY Ng WWL Lo Medical Student, The University of Hong Kong, Hong Kong SAR, China SSW Cheng IFM Lo Clinical Genetic Service, Department of Health, Hong Kong SAR, China
Case History The proband is a 5-year-old boy born full term to non-consanguineous Chinese parents. He was referred to clinical genetic service for pre-lingual onset bilateral mild to moderate hearing loss (Figure 1). He had no dysmorphic features, and the morphology of his ears was normal. He had no developmental delay. His elder brother also had right severe hearing loss and left mild high-frequency hearing loss with pre-lingual onset (Figure 1). His brother was non-syndromic, and was put on hearing aids. He had normal development except mild speech delay and articulation problem. His parents had normal hearing (Figure 1). No significant family history of hearing loss was known.  | Figure 1 Pedigree of the family. | N.B. The Editors invite contributions of illustrative clinical cases or materials to this section of the journal.
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