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Related Experiment Videos

Narrow trachea in mucopolysaccharidoses.

M E Peters, S Arya, L O Langer

    Pediatric Radiology
    |January 1, 1985
    PubMed
    Summary

    Mucopolysaccharidoses (MPS) and other storage diseases can cause small tracheal diameters due to glycosaminoglycan buildup. This airway compromise was observed in patients with Hurler disease and other rare genetic conditions.

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    Area of Science:

    • Medical imaging
    • Genetics
    • Pathology

    Background:

    • Mucopolysaccharidoses (MPS) are a group of rare genetic disorders.
    • Airway compromise is a potential complication in various storage diseases.
    • Glycosaminoglycan deposition is a hallmark of MPS.

    Purpose of the Study:

    • To investigate the prevalence of small tracheal diameters in patients with mucopolysaccharidoses.
    • To determine the pathological basis of airway narrowing in MPS and related storage diseases.

    Main Methods:

    • Analysis of frontal chest radiographs from 56 patients with mucopolysaccharidoses.
    • Autopsy examination of patients with MPS I-H (Hurler disease), geleophysic dysplasia, and mucolipidosis II.

    Main Results:

    • Nine out of 56 (16%) MPS patients exhibited small tracheal diameters on radiographs.
    • Autopsy in an MPS I-H patient revealed tracheal narrowing due to glycosaminoglycan deposition.
    • Airway compromise from storage material accumulation was also noted in geleophysic dysplasia and mucolipidosis II.

    Conclusions:

    • Small tracheal diameter is a potential radiographic finding in mucopolysaccharidoses.
    • Glycosaminoglycan deposition is a key factor in airway compromise in MPS.
    • Airway narrowing due to storage material is a shared feature across several genetic storage disorders.

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