Comparison of the Diagnostic Accuracy of 3D Volume Acquisition MRI With CT in Staging Colonic Cancer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2010-08-18

Study Completion Date

2016-05-17

Brief Summary

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The purpose of this study is to determine whether MRI is more accurate than CT in determining the T stage, N stage, depth of tumour invasion and extra mural venous invasion (EMVI) preoperatively in colon cancer.

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Detailed Description

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The patient will proceed with their usual colon cancer assessment and treatment, including colonoscopy with biopsy and histology and preoperative CT chest abdomen and pelvis. In addition, patients who enroll in the study will have 2 preoperative MRIs of their abdomen and pelvis performed. One of these will be performed on a 1.5T and the other will be performed on a 3.0T MRI scanner. We will use 20mg of IM buscopan to reduce bowel mobility for each scan. A coronal scout scan will be taken to identify the tumour and select the target volume. IV gadolinium (a contrast agent routinely used in MRI scans to help identify different tissues) will be administered, and a 3D VIBE scan (T1 weighted) will be performed of the target volume. The liver will also be imaged at this time to look for liver metastases. A T2 weighted 3D volume acquisition will then be obtained of the target volume containing the tumour (and its lymphatic drainage).

The MRI will be independently reported by an expert without knowledge of the results of any other investigations. The results of the MRI scan will then be made available to the clinical team. The patient will then proceed as normal with any other investigation which the clinical team feel is necessary, and be treated as normal for their colon cancer. The patient will proceed with their surgery as normal, and the specimen removed at the time of the operation will be examined in the pathology laboratory to determine the exact stage of the cancer.

The accuracy of CT and MRI in staging colon cancer will then be determined against the reference standard provided by the histology examination.

Conditions

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Colon Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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colon cancer

patients undergoing treatment for colon cancer

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* patients undergoing treatment for colon cancer
* patients undergoing primary surgery for colon cancer and who do not require neo-adjuvant therapy on the basis of their pre-operative CT

Exclusion Criteria

* age \<18
* unable to consent
* consent withheld or withdrawn
* Unable to have an MRI (e.g pacemaker, metal implant)
* Allergy or contraindications to busocopam, gadolinium, small bowel contrast agent

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No