The role of number-of-excitations (NEX) for the usability of freebreathing acquired diffusion-derived ‘vessel density’ (DDVD) and slow diffusion coefficient (SDC) maps in separating liver cysts, hemangiomas, and solid masses with a focus on small lesions

Ming-Hua Sun, Cai-Ying Li, Xin-Yue Xu, Chuan-Jun Xu, Peng-Fei Rong, Yì Xiáng J. Wáng