Gilula's lines are three arcs drawn on an AP radiograph of the wrist used to assess the alignment of the carpal bones.
Clinical use
There should be no step-off in the contour of the lines when drawn on a normal wrist.
| First arc | running along the proximal convexity of the scaphoid, lunate and triquetrum |
| Second arc | running along the distal concavities of the scaphoid, lunate and triquetrum |
| Third arc | running along the proximal curvatures of the capitate and hamate |