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Fig 3. A 33-year-old man with a keratocystic odontogenic tumor at the right mandible. A, Axial T1-weighted image (TR, 500 ms; TE, 15 ms) shows a multilobulated cystic lesion with intermediate signal intensity (arrowhead). B, Axial fat-suppressed (SPAIR) T2-weighted image (TR, 5118 ms; TE, 80 ms) shows tumor (arrowhead) composed mainly of nonenhancing lesion with intermediate signal intensity. C, Axial color ADC map shows nonenhancing lesion (arrowhead) with low ADC (0.67 x 10–3 mm2/s). Broken line indicates an irregular region of interest placed in nonenhancing lesion. D, Photomicrograph shows cyst wall consisting of parakeratinized stratified squamous epithelium. Original magnification x10.
