Fig 1. A 47-year-old man with ameloblastoma at the mandible. A, Axial T1-weighted image (TR, 500 ms; TE, 15 ms) shows the tumor (arrowhead) with low to intermediate signal intensity. B, Axial fat-suppressed (SPIR) T2-weighted image (TR, 3741 ms; TE, 80 ms) shows large, multiloculated cystic lesion with high signal intensity (arrowhead) indicative of cystic cavity. C, Axial color ADC map shows cystic tumor (arrowhead) with high ADC (2.50 x 10–3 mm2/s). Broken line indicates an irregular region of interest placed in the nonenhancing lesion. D, Photomicrograph shows solid tumor lesion associated with multiple small cysts, exhibiting a follicular pattern of tumor cell proliferation with peripheral palisading. Original magnification x10.