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01-07-2015 | Original Article

Correlation of rectal tumor volumes with oncological outcomes for low rectal cancers: does tumor size matter?

Authors: Muhammad Tayyab, Abdul Razack, Abhiram Sharma, James Gunn, John E. Hartley

Published in: Surgery Today | Issue 7/2015

Abstract

Purposes

Several reports have described a relationship between tumor volume and oncological outcomes for certain cancers. There is paucity of similar data for rectal cancer. We conducted this study to establish whether tumor volume, mesorectal volume, and the tumor volume to mesorectal volume ratio (TV/MRV), evaluated by magnetic resonance imaging (MRI), affect the oncological outcomes of patients with rectal cancer.

Methods

We performed volumetric analysis of rectal tumors from magnetic resonance imaging (MRI) images and assessed their correlation with oncological outcomes, using clinical and radiological databases.

Results

The subjects of this study were 25 of 35 patients who underwent rectal cancer surgery after staging with MRI, after the exclusion of 7 patients for whom MRI images could not be retrieved and 3 patients who had metastases identified at diagnosis. Tumor volume (TV) was a significant predictor of overall survival hazard ratio (95 % CI); 5.8 (1.2–29), (P = 0.03). Mesorectal volume (MRV) and TV/MRV did not correlate with oncological outcomes.

Conclusions

We found a direct relationship between tumor volume and overall survival, which may be used to stratify rectal tumors for neoadjuvant therapy. A larger prospective study is required to confirm this correlation.

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Title: Correlation of rectal tumor volumes with oncological outcomes for low rectal cancers: does tumor size matter?
Authors: Muhammad Tayyab
Abdul Razack
Abhiram Sharma
James Gunn
John E. Hartley
Publication date: 01-07-2015
Publisher: Springer Japan
Published in: Surgery Today / Issue 7/2015
Print ISSN: 0941-1291
Electronic ISSN: 1436-2813
DOI: https://doi.org/10.1007/s00595-014-1068-0

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Correlation of rectal tumor volumes with oncological outcomes for low rectal cancers: does tumor size matter?

Abstract

Purposes

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purposes

Methods

Results

Conclusions

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