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Fig. 2 | Cancer Communications

Fig. 2

From: A curative-intent endoscopic surgery for postradiation nasopharyngeal necrosis in patients with nasopharyngeal carcinoma

Fig. 2

Contrast-enhanced sagittal magnetic resonance imaging (MRI) of the head and neck of a patient before and after surgery. a PRNN (indicated by the red arrow) was located in the roof of the posterior wall of the nasopharyngeal cavity and oral pharynx as shown on the preoperative MRI. b The flap (indicated by the blue arrow) re-surfaced the defect after radical endoscopic necrectomy, with good blood supply at 2 weeks after surgery. c The flap completely relined the nasopharyngeal mucosa at 8 weeks after surgery

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