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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 7 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 7

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

Fig. 7

A 70-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 later. (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 elicits low to isointense signal in T2WIs, and iso to high signal in T1WIs. It measures about 3.4 × 2.4 cm in diameter with high central signal in the arterial phase worrisome for residue. ADC value measured (1.3 × 10−3 mm2/s). Subtraction removed the central high signal thus excluding residual disease (false positive dynamic study interpretation). (B) Follow up dynamic MRI 3 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. Regression in the size of the treatment zone with still no contrast uptake confirming the complete response

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