hepatic phase

What Is Arterial Hyperenhancement? Arterial phase hyperenhancement, sometimes termed arterial “wash-in” or arterial “hypervascularity,” is defined as enhancement in the arterial phase that unequivocally is greater than that of surrounding liver. The pathophysiologic basis for arterial phase hyperenhancement in HCC is well understood. What does Hypoenhancing mean? Definition: Enhancement that unequivocally is less than that