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Comparison of embolic infarction on conventional DWI and DL-DWI. A 78-year-old male visited the emergency room after resuscitation of cardiac arrest. Conventional DWI revealed a small (≤ 5 mm) indistinct DWI high-signal-intensity lesion in right cerebellum (a) with blurred ADC map which does not clearly describe the lesion correlated with the DWI (b). However, with DL-DWI, the lesion had more discrete margin (c) with clear ADC map, so we could diagnose tiny embolic infarction (d).
