pyelolithotomy

noun
py·​elo·​li·​thot·​o·​my | \ ˌpī-(ə-)lō-li-ˈthät-ə-mē How to pronounce pyelolithotomy (audio) \
plural pyelolithotomies

Medical Definition of pyelolithotomy

: surgical incision of the renal pelvis of a kidney for removal of a kidney stone

called also pelviolithotomy