MRI liver parenchyma multiple small pieces of long T2 signal foci may be caused by liver cysts, hepatic hemangiomas, hepatic nodules and other diseases. 1. Liver cysts: a more common benign liver lesion, MRI helps to clarify the size, morphology, number and surrounding anatomical structure of cysts with higher sensitivity. 2. Hepatic hemangioma: it is a benign hepatic tumor originated from vascular endothelial cells, prolongation of T2 time is a characteristic of adult hepatic hemangioma. 3. Hepatic nodule: it is formed due to the proliferation of hepatic fibrous tissue and the disturbance of hepatic trabecular arrangement caused by various etiologies, MRI can often provide more valuable diagnostic information, such as T2 signal foci. MRI liver parenchyma multiple small foci of long T2 signal foci may also be seen in hepatocellular carcinoma and other diseases, if there are MRI liver parenchyma multiple small foci of long T2 signal foci, you need to consult a doctor in time for treatment.