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Female, 54 years, sphenoid ACC. (a) The tumour showed a mixed isointensity on T1WI. (b) Slightly high mixed signal on T2WI, including a small cystic high signal. The tumour showed cribriform changes on T2WI. (c) The transverse view shows a tumour involving bilateral pterygopalatine fossa. (d、e) On contrast-enhanced scan, the tumour was significantly enhanced unevenly, and cystic components were not enhanced.
