CT of the urinary tract after abdominoperineal resection for rectal carcinoma

S. Apter, M. Hertz, Z. J. Rubinstein, T. Tishler, G. Ben Ari

Research output: Contribution to journalArticlepeer-review

Abstract

Computed tomography (CT) after abdominoperineal (AP) resection for rectal carcinoma is a routine procedure for the detection of recurrent tumor and distal metastases. We reviewed sequential CT scans after AP resection in 52 patients in order to see whether the urinary tract as a neighboring organ is involved in recurrent malignancy. Bladder displacement in itself was not associated with hydronephrosis. Such hydronephrosis developed, however, in 14 patients-13 with a presacral mass, and one with retroperitoneal lymphadenopathy. In 23 of the 52 patients a presacral mass appeared, either fibrosis, infection, or recurrence. Severe hydronephrosis was found only with malignancy. We suggest that marked hydronephrosis associated with a presacral mass after AP resection is an indirect sign of malignancy.

Original languageEnglish
Pages (from-to)177-182
Number of pages6
JournalUrologic Radiology
Volume14
Issue number1
DOIs
StatePublished - Dec 1992
Externally publishedYes

Keywords

  • Abdominoperineal resection
  • Hydronephrosis
  • Rectal carcinoma, CT scans

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