isoenhancement noun2 •The quality of having the same level of enhancement.This age correction was calculated by linearly interpolating the offsets perpendicular to isoenhancement lines between models with ages of 3, 8, and 15 Gyr. — 2004 •A middle level of enhancement, neither bright nor dim.In contrast, 10–20% of HCCs, especially smaller (<20 mm) lesions, demonstrate hypoenhancement or isoenhancement in the arterial phase (Yoon et al. 2009; Lee et al. 2012; Matsui et al. 2011). — 2018