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Related Experiment Videos

Lenz-Majewski syndrome.

R J Gorlin, C B Whitley

    Radiology
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Lenz-Majewski syndrome is a rare genetic disorder characterized by distinctive craniofacial and skeletal abnormalities. Early identification and understanding of its unique features are crucial for managing affected individuals.

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    Area of Science:

    • Genetics
    • Pediatrics
    • Radiology

    Background:

    • Lenz-Majewski syndrome is a rare disorder with unknown causes.
    • It presents with distinctive craniofacial and skeletal features, often confused with other skeletal dysplasias.

    Observation:

    • Patients exhibit macrocephaly with delayed fontanel closure, loose and atrophic skin, and specific facial anomalies like choanal atresia.
    • Associated findings include failure to thrive, intellectual disability, and genitourinary issues in males.

    Findings:

    • Radiographic analysis reveals progressive skull and facial bone sclerosis, vertebral changes, broad ribs and clavicles, and phalangeal abnormalities.
    • Skeletal maturation is retarded, with diaphyseal undermodeling, midshaft cortical thickening, and metaphyseal/epiphyseal hypostosis. Tooth enamel defects are also noted.

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    Implications:

    • Distinguishing Lenz-Majewski syndrome from similar conditions like craniometaphyseal and craniodiaphyseal dysplasias is vital for accurate diagnosis.
    • Understanding the radiographic and clinical spectrum aids in patient management and genetic counseling.