Gilula lines wrist radiograph

The AP view of the wrist reveals a normal examination (A) with Gilula lines superimposed (B). The first arc outlines the proximal convexities of the scaphoid, lunate, and triquetrum. The second concave arc outlines the distal surfaces of the scaphoid, lunate, and triquetrum. The third arc traces the proximal curvatures of the capitate and hamate.