[Cystolysis. Supratrigonal denervation]. / Cistolisis. Denervación supratrigonal.

CI is an entity with obscure etiopathogenesis and difficult to manage. This essay contributes three cases, out of a series of 25, were cytolisis was performed. Results after six months follow-up are very encouraging, since pain has disappeared in all cases and pollakiuria has been radically reduced.