| pyelotomy | Incision into the pelvis of the kidney. Synonym: pelviotomy, pelvitomy. Origin: pyelo-+ G. Tome, incision (05 Mar 2000) |
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| extended pyelotomy | Extension of a standard pyelotomy into the lower pole infundibulum through the avascular plane between the posterior and basilar segmental renal arteries. Synonym: Gil-Vernet operation. (05 Mar 2000) |
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