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Clinical Manifestation of Hearing Loss in a Boy with Type IIIb Gaucher Disease: A Unique Case Report.
Alternative Therapies in Health and Medicine 2024 March 2
OBJECTIVE: Gaucher disease (GD) is a clinically rare single-gene recessive lysosomal storage disease mainly divided into three subtypes I to III. This report aims to present a case of type IIIb GD in a Chinese child with a focus on the manifestation of hearing loss and the importance of early diagnosis and monitoring.
METHODS: The patient underwent a routine physical examination upon admission, followed by CT scans of the chest and abdomen, MRI of the brain, and bone marrow smear examination. The patient's GBA enzyme activity, Lyso-GL-1 levels, and GBA gene expression were analyzed using tandem mass spectrometry (MS/MS) and next-generation sequencing technology. Finally, auditory brainstem response (ABR) testing was conducted.
RESULTS: This report presented a case of a Chinese boy with hematological manifestations as the first symptom, followed by hepatosplenomegaly, and the bilateral femurs showed obvious Erlenmeyer flask-like changes. Combined with GBA enzyme activity, Lyso-GL-1 and GBA genotype analysis results, the boy was initially diagnosed as type I GD. During the follow-up, the boy developed nystagmus, bilateral ABR V wave threshold increased, V/I amplitude ratio <0.5, accompanied by delayed growth and development, and finally diagnosed as type IIIb.
CONCLUSIONS: This case suggests the necessity of neuropathy monitoring in patients with type I GD during the early stages of the disease. This includes EEG, neuro-ophthalmological examination, and auditory function assessment, which can help reflect the progression of neuropathy and facilitate the early diagnosis of type III GD.
METHODS: The patient underwent a routine physical examination upon admission, followed by CT scans of the chest and abdomen, MRI of the brain, and bone marrow smear examination. The patient's GBA enzyme activity, Lyso-GL-1 levels, and GBA gene expression were analyzed using tandem mass spectrometry (MS/MS) and next-generation sequencing technology. Finally, auditory brainstem response (ABR) testing was conducted.
RESULTS: This report presented a case of a Chinese boy with hematological manifestations as the first symptom, followed by hepatosplenomegaly, and the bilateral femurs showed obvious Erlenmeyer flask-like changes. Combined with GBA enzyme activity, Lyso-GL-1 and GBA genotype analysis results, the boy was initially diagnosed as type I GD. During the follow-up, the boy developed nystagmus, bilateral ABR V wave threshold increased, V/I amplitude ratio <0.5, accompanied by delayed growth and development, and finally diagnosed as type IIIb.
CONCLUSIONS: This case suggests the necessity of neuropathy monitoring in patients with type I GD during the early stages of the disease. This includes EEG, neuro-ophthalmological examination, and auditory function assessment, which can help reflect the progression of neuropathy and facilitate the early diagnosis of type III GD.
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