Gastrointestinal Radiology

, Volume 16, Issue 1, pp 259–263 | Cite as

Transrectal ultrasound and computed tomography in preoperative staging of lower rectal adenocarcinoma

  • Sven Goldman
  • Håkan Arvidsson
  • Ulf Norming
  • Ulla Lagerstedt
  • Inger Magnusson
  • Jan Frisell
Article

Abstract

A comparison of transrectal ultrasound (TRUS) and computed tomography (CT) for staging of rectal carcinoma was performed. Thirty-two patients were examined by TRUS and 30 by CT. The results of these preoperative examinations were compared with postoperative histopathological findings. TRUS had an accuracy of 81% and it predicted perirectal tumor growth with a sensitivity of 90% and a specificity of 67%, whereas the corresponding figures for CT were 52%, 67%, and 27%. These findings indicate that TRUS is more efficient than CT in staging local tumor growth in rectal cancer. Neither technique, however, can reliably identify lymph node metastases, since no correlation was found between lymph node size as observed on CT and TRUS and tumor involvement as evaluated histopathologically.

Key words

Adenocarcinoma, lower rectal Staging, US, CT Lymph nodes 

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Copyright information

© Springer-Verlag New York Inc. 1991

Authors and Affiliations

  • Sven Goldman
    • 1
  • Håkan Arvidsson
    • 2
  • Ulf Norming
    • 3
  • Ulla Lagerstedt
    • 4
  • Inger Magnusson
    • 1
  • Jan Frisell
    • 1
  1. 1.Department of SurgeryStockholmSweden
  2. 2.Department of RadiologyStockholmSweden
  3. 3.Department of UrologyStockholmSweden
  4. 4.Department of PathologyStockholmSweden

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