pyonephrosis

(redirected from calculous pyonephrosis)
Also found in: Medical.

pyonephrosis

[¦pī·ō·nē′frō·səs]
(medicine)
Replacement of renal tissue by abscesses.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The etiology of fistulas can be either renal tuberculosis or calculous pyonephrosis.[sup.3] It is extremely rare that a renocolic fistula develops due to a colonic lesion.[sup.3]
In the majority of early reports, this pathology was tuberculosis, but more recently, calculous pyonephrosis has been the predominant underlying cause.
(6) reported a complication involving injury to a patient's colon with a calculous pyonephrosis that had dense adhesions in their study of laparoscopic pyelolithotomy.