PET/CT in Head and Neck Tumours: Treatment Sequelae Mimicking Active Disease—A Pictorial Atlas
A 56-year-old person following H&N radiotherapy which included the right half of tongue. FDG PET/CT shows normal FDG uptake of the left half of tongue (hollow arrow); not to be confused with recurrent disease. The right half of tongue has atrophied following radiotherapy and is not FDG avid. Similar changes are seen following partial tongue resection.