Rezum system is a novel MIST that uses water vapour-based convective thermal therapy to ablate prostatic tissue. 
Rezum system
Rezum: a novel minimally invasive treatment for lower urinary tract symptoms secondary to benign prostatic hyperplasia.  Rezum system is a novel MIST that uses water vapour-based convective thermal therapy to ablate prostatic tissue.  According to our evaluation of the existing literature, Rezum offers a meaningful relief of LUTS with a high safety profile without compromising the sexual activity especially to those who are unfit for surgery or to those who do not desire to continue on lifelong pharmacotherapy.
Rezum