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  Indian J Med Microbiol
 

Figure 9: Orocutaneous fistula at the flap site. 55-year-old gentleman, squamous cell carcinoma of the left retromolar triangle, underwent bite composite resection with pectoralis major myocutaneous flap and neck dissection. 6 months after the surgery, the patient presented with purulent discharge from the left submandibular region. The maximum intensity projection image shows diffuse intense fluorodeoxyglucose uptake in the left side of the face (arrow in a). The fused coronal image shows a fistula opening in the left submandibular region (arrow in b). The fused sagittal positron emission tomography/computed tomography and PET images (arrows in c, d) show the path of the sinus tract, extending from the left maxilla along the left infratemporal fossa and opening in the left submandibular region

Figure 9: Orocutaneous fistula at the flap site. 55-year-old gentleman, squamous cell carcinoma of the left retromolar triangle, underwent bite composite resection with pectoralis major myocutaneous flap and neck dissection. 6 months after the surgery, the patient presented with purulent discharge from the left submandibular region. The maximum intensity projection image shows diffuse intense fluorodeoxyglucose uptake in the left side of the face (arrow in a). The fused coronal image shows a fistula opening in the left submandibular region (arrow in b). The fused sagittal positron emission tomography/computed tomography and PET images (arrows in c, d) show the path of the sinus tract, extending from the left maxilla along the left infratemporal fossa and opening in the left submandibular region