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Table 4 Summarized imaging techniques with their limitations

From: A brief review on molecular, genetic and imaging techniques for HCV fibrosis evaluation

Method Technique Limitations
Ultrasonography Identification of portal hypertension Limited capability to measure mild or moderate fibrosis and cirrhosis, contradictory results
Elastography Liver stiffness Vulnerable measurements due to narrow intercostals spaces, ascites or obesity
Doppler Analysis Measures velocity of blood flow, hemodynamic variations Limited data, lack of reproducibility, contradictory results
Magnetic Resonance Imaging Observe changes in hepatic parenchyma High cost, lack of research support
Computed Tomography Identifies micro vascular permeability changes Recent technique, not much literature is available, can not performed in renal failure and contrast agent allergic patients