Operative removal of a calculus from the kidney through an incision in the renal pelvis. SYN: pelvilithotomy, pelviolithotomy. [pyelo- + G. lithos, stone, + tome, incision]
* * *
py·elo·li·thot·o·my .pī-(ə-)lō-li-'thät-ə-mē n, pl -mies surgical incision of the renal pelvis of a kidney for removal of a kidney stone called also pelviolithotomy
* * *
n.
surgical removal of a stone from the kidney through an incision made in the pelvis of the kidney. The incision is usually made into the posterior surface of the pelvis (posterior pyelotomy) to gain access to the stone, which can then be lifted clear.
* * *
py·elo·li·thot·o·my (pi″ə-lo-lĭ-thotґə-me) [pyelo- + lithotomy] the operation of excising a renal calculus from the renal pelvis.Medical dictionary. 2011.