PMC5937591_01
Photograph of the patient at the time of admission.
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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).
Preoperative X-ray of the skull lateral view, showing the Allen key in the left maxillary sinus to nasopharynx.
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The body of the Allen key has a very close relation to the floor of the orbit and the sphenoid sinus (Figure 2).
Foreign body visualised on CT at the time of admission.
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CT of the maxillofacial region revealed no orbital and intracranial injury (Figure 3).
Photograph of the patient after removal.
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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).