case_images: PMC5937591_01
case_images: Photograph of the patient at the time of admission.
case_images: CRIRA2018-5086154.001.jpg
case_images: PMC5937591_01_CRIRA2018-5086154.001.jpg
case_images: fig1
case_images: Nine-year-old pediatric girl patient came to the emergency department with the history of an Allen key injury on her left cheek (Figure 1).
case_images: Preoperative X-ray of the skull lateral view, showing the Allen key in the left maxillary sinus to nasopharynx.
case_images: CRIRA2018-5086154.002.jpg
case_images: PMC5937591_01_CRIRA2018-5086154.002.jpg
case_images: fig2
case_images: The body of the Allen key has a very close relation to the floor of the orbit and the sphenoid sinus (Figure 2).
case_images: Foreign body visualised on CT at the time of admission.
case_images: CRIRA2018-5086154.003.jpg
case_images: PMC5937591_01_CRIRA2018-5086154.003.jpg
case_images: fig3
case_images: CT of the maxillofacial region revealed no orbital and intracranial injury (Figure 3).
case_images: Photograph of the patient after removal.
case_images: CRIRA2018-5086154.004.jpg
case_images: PMC5937591_01_CRIRA2018-5086154.004.jpg
case_images: fig4
case_images: During the operation, the foreign body was removed after short-term cauterization with monopolar cautery due to its metallic nature by making a millimetric incision on the adjacent skin tissue to prevent skin damage (Figure 4).