- Presence of purulent urine in the pelvis and calices of the kidney following obstruction of the ureter. [hydro- + G. pyon, pus, + nephrosis]
* * *hy·dro·pyo·ne·phro·sis (hi″dro-pi″o-nə-froґsis) [hydro- + pyo- + nephro- + -osis] accumulation of urine and pus in the renal pelvis, as seen in pyonephrosis.
Medical dictionary. 2011.
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pyohydronephrosis — pyo·hy·dro·ne·phro·sis (pi″o hi″dro nə froґsis) hydropyonephrosis … Medical dictionary