You can read more about the technique, known as ex-vivo lung perfusion (EVLP) here.

BBC: Re-conditioning lungs for transplant

Bosniak uses a complicated algorithm of CT scan characteristics such as size, density and perfusion to place cystic renal masses into one of five different categories.

CNN: Could my kidney cysts be cancerous?

Paion recently unveiled results of a midstage trial that took advantage of a new imaging method, called diffusion-perfusion MRI, to pinpoint patients best suited to receive the drug up to nine hours after a stroke.

FORBES: Brain Repair