PMC6080633_01
Showing foreign body extended from hyoid bone inferiorly to infra temporal region superiorly.
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Image reconstruction, volume rendering, segmentation and color-coding was performed with the software (Ondemand3D ver. 1.0.10, cybermed, Korea) for better visualization as in Fig. 1.
Coronal cut of multi-slice computed tomography with angiography showing the left maxillary artery (red arrow) between the upper part of the foreign body and the ramus of the mandible. The lower part of the foreign body is related to the left lingual artery (white arrow) medially and the left facial artery (blue arrow) laterally.
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The study showed that the foreign body lies anterior to the carotid sheath, as its lower part close to the lingual and facial branches of the external carotid artery and its upper part in the infra-temporal region close to the maxillary artery that passes between foreign body and mandible as shown in Fig. 2.
Drawn incision line across the old scar.
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The submandibular incision was made with slight lateral extension, for better exposure of the external carotid artery as in Fig. 3.
A. Foreign body in place (between the two retractors). B. Large piece of glass after removal.
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Local dissection over the foreign body was done until all the edges of it appeared; it was a piece of glass, as in Fig. 4A. That piece was held tightly and pulled out with caution, Fig. 4B.
Postoperative scar in the follow-up period.
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Besides, both the patient and the family, felt grateful, as the scar is inconspicuous, As in Fig. 5.