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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 2 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 2

From: The value of dynamic subtraction MRI technique in the assessment of treatment response of hepatocellular carcinoma to transcatheter arterial chemoembolization

Fig. 2

A 67-year-old male patient with hepatitis-related liver cirrhosis and single segment V/VI HCC lesion. He had a TACE session and came for follow up 1 month post TACE and another short term follow up after 2 months. (A) Follow up dynamic MRI 1 month post TACE. a T2WI, b DWI image, c ADC image, d T1WI, e late arterial phase, f portal phase, g delayed phase, and h late arterial subtracted image. The treatment zone exhibits high signal in T1WIs and intermediate to high signal in T2WIs with thick peripheral area of enhancement suggestive of residual disease. Subtraction clarified this pattern of enhancement by removing the native high T1WIs signal. (B) Short-term follow up dynamic MRI 2 months post TACE. a T2WI, b DWI image, c ADC image, d T1WI, e late arterial phase, f portal phase, g delayed phase, and h late arterial subtracted image. Note that the lesion appears with same pattern of contrast enhancement and slight increase in size confirming the residual disease

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