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CT images (A and B), a view from the oral cavity (C), and facial appearance (D). (A) CT axial section shows a subcutaneous mass that infiltrates the skin (arrow). (B) CT coronal section in a bone window shows erosion of the hard palate. (C) Enlarged fistula and necrosis of the hard palate. (D) Necrosis of the cheek skin around the nose.
