Mickey Mouse appearance

In medical imaging literature, a Mickey Mouse appearance has been given to imaging features that depict that of Mickey Mouse when viewed from the front. It has been described in the following:

  • anencephaly 2
  • progressive supranuclear palsy 1
  • synonymously with a finger in glove sign
  • the flared shape of the iliac wings on pelvic radiograph in Down syndrome
    1. at the groin: normal femoral artery bifurcation, with an enlarged and incompressible femoral vein characteristic of recent venous thrombosis 3
    2. Paget disease: if there is increased radiotracer uptake on the bone scan in the spinous process and pedicles
    3. the configuration of the portal triad in short axis on a biliary ultrasound scan, with the portal vein comprising Mickey's "head" and the common bile duct and hepatic artery as his right and left "ears", respectively 4
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    Article information

    rID: 16934
    Section: Signs
    Synonyms or Alternate Spellings:
    • Mickey Mouse sign

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    Cases and figures

  • Case 1: progressive supranuclear palsy
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  • Case 2: progressive supranuclear palsy
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  • Case 3: Down syndrome: with "mickey mouse" pelvis
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