Spilled teacup sign

The spilled teacup sign is a radiologic sign seen on lateral wrist radiographs, in which the lunate bone is rotated or tilted volarly, so that its concave articular surface faces anteriorly and downward rather than cradling the capitate bone. This gives the appearance of a teacup being spilled. It is diagnostic of a lunate dislocation.[1][2]

References

  1. ↑ Klein, Jeffrey; Mellnick, Vincent. Brant & Helms' Fundamentals of Diagnostic Radiology. ISBN 9781975199005. Retrieved 9 March 2026.
  2. ↑ Tucker, Adam; Marley, William; Ruiz, Angel (23 April 2013). "Radiological signs of a true lunate dislocation". Case Reports. pp. bcr2013009446. doi:10.1136/bcr-2013-009446. Retrieved 9 March 2026.
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