Fig. 3
From: Traumatic facial arteriovenous fistula: a rare case report and literature review
Photograms in the first operation therapeutic procedure. (A) Photogram reveals The image shows the application of robotic positioning system during surgery, which can accurately locate the location of foreign bodies. (B) Based on the location of the incision designed by the localization system, the photogram reveals that the orientation is consistent with the foreign body. (C) Intraoperative photograph of removal of metallic foreign body from neck. (D) Rust and pus on the surface of the foreign body