Figure 1. The reverse “question mark” or “Dandy flap” incision.

The reverse “question mark” (“Dandy flap”) incision is superimposed on the vasculature of the lateral scalp. The STA provides the main arterial blood supply of the skin flap created and is prone to injury in the emergency operating setting of a hemicraniectomy.

References [7,8]

STA: superficial temporal artery, PAA: posterior auricular artery, OA: occipital artery, blue line: incision.