From the case: Lunate dislocation

X-ray
Frontal
System: Musculoskeletal
Section: Signs
Tags: wrist
Modality: X-ray (Frontal)

- “ Perilunate disruptions are sustained in backward falls onto an outstretched hand. Lunate dislocation is the most severe form (stage IV) of perilun...”

Used in the following article:

  • Piece of pie sign (wrist) - “ The piece of pie sign refers to an abnormal triangular appearance of the lunate on a PA image of the wrist indicating lunate dislocation or perilu...”

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