In medical imaging, a Mickey Mouse sign or appearance has been given to imaging features that mimic 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
- at the groin: normal femoral artery bifurcation, with an enlarged and incompressible femoral vein characteristic of recent venous thrombosis 3
- Paget disease: if there is increased radiotracer uptake on the bone scan in the spinous process and pedicles
- the configuration of the portal triad in short axis on a hepatobiliary ultrasound, with the portal vein comprising Mickey's "head" and the common bile duct and hepatic artery as his right and left "ears", respectively 4
- Hutch diverticulum: in a delayed contrast study (IVU/CT), the appearance of bilateral smooth, walled posterolateral outpouchings from urinary bladder adjacent to the vesicoureteric junction bilaterally 5
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