tisu 4dLINK VVIP TISU 4D. Share link. close button. tisu4d?utm_medium=social&utm_source=. share icon. social icon. Share on Social.Tissue 4D is a software tool for analyzing dynamic-contrast enhanced (DCE) and perfusion-wehted MRI datasets. It can help in the detection of tumor tissues in organs such as the liver by visualizing regions of strong wash-in and wash-out