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Basic and Clinical Cancer Research، جلد ۱۳، شماره ۱، صفحات ۹-۲۰
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عنوان انگلیسی Transarterial Chemoembolization Of Hepatocellular Carcinoma: Can Early Diffusion Weighted Imaging Predict Response?
چکیده انگلیسی مقاله Background: We evaluated the role of early diffusion weighted imaging (DWI) in predicting response to TACE in patients with HCC and compare the results with contrast enhanced magnetic resonance imaging. METHODS: 24 patients with documented HCC were taken up for TACE after a pre-procedural contrast CT and MRI. Post procedural DWI was taken on day 5-7 and the mean ADC values were documented and compared to pre procedural values. The change in ADC values was grouped into 4 categories: group 1- < 25%, group 2 26-50%, group 3- 51-75% and group 4- >75%. The increase in ADC values signifying response was correlated with 5 week CEMRI scan and a threshold ADC increase signifying response in majority of the cases was calculated. RESULTS: The mean ADC of the lesions changed from 1.21× 10-3 (pre TACE) to 2.02× 10-3 mm2/sec (post TACE) [p< 0.001]. Taking CE MRI as gold standard, DWI imaging had a sensitivity of 80%, specificity of 94.7% with a positive predictive value of 80%, negative predictive value of 94.7% and overall accuracy of 91.7%. Complete response was seen in19 (79%) and incomplete in 5 (21%) patients in our study. The change in ADC was significantly higher in responders (884.15 ± 161.60) as compared to non responders (564.80 ± 221.05) [p =0.001]. CONCLUSION: Early DWI after TACE can predict response of a HCC lesion to chemoembolization. The change in ADC values can earmark responders from non-responders. Early DWI results are concordant with CEMRI results in most of the cases. DWI can act as a substitute to CEMRI when contrast administration is not advised.
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نویسندگان مقاله | Asma Gulzar
sheri kashmir institute of medical sciences


| Tahleel Shera
sheri kashmir institute of medical sciences


| Omair Shah
sheri kashmir institute of medical sciences


| Naseer Choh
sheri kashmir institute of medical sciences


| Tariq Gojwari
sheri kashmir institute of medical sciences


| Mudasir Bhat
sheri kashmir institute of medical sciences


| Shadab Maqsood
sheri kashmir institute of medical sciences
نشانی اینترنتی https://bccr.tums.ac.ir/index.php/bccrj/article/view/394
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