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Pseudotibiotalar slant: a positioning artifact

L R Bigongiari

    Radiology
    |March 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Pseudotibiotalar slant on ankle X-rays is a common positioning artifact, not a disease indicator. This finding can mimic other conditions and suggests checking for hip or knee abnormalities.

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    Area of Science:

    • Orthopedics
    • Radiology
    • Medical Imaging

    Background:

    • Pseudotibiotalar slant is a radiographic finding that can be mistaken for other ankle pathologies.
    • Previous reports have described tibiotalar slant in conditions like sickle cell anemia, juvenile rheumatoid arthritis, hemophilia, and multiple epiphyseal dysplasia.

    Purpose of the Study:

    • To clarify that pseudotibiotalar slant is a positioning artifact.
    • To differentiate this artifact from genuine pathological findings in the ankle.

    Main Methods:

    • The author reproduced the tibiotalar slant configuration on their own ankle radiographs.
    • The specific maneuver involved knee flexion and external rotation.

    Main Results:

    • The pseudotibiotalar slant configuration was successfully reproduced through a specific positioning technique.

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  • This artifact is a nonspecific finding on ankle radiographs.

    • Conclusions:

    • Pseudotibiotalar slant is an artifact, not a primary condition.
    • Radiologists and clinicians should consider ipsilateral hip and/or knee abnormalities when this finding is observed.