Computerized Tomographic Colonography Compared With Standard Diagnostic Procedures in Detecting Colorectal Neoplasia (ACRIN 6656)
Colorectal Cancer
About this trial
This is an interventional diagnostic trial for Colorectal Cancer focused on measuring colon cancer, rectal cancer
Eligibility Criteria
DISEASE CHARACTERISTICS: The following case material must be submitted for each patient: No colonic diseases except polyps, cancer, or diverticulosis Optimal diagnostic computerized tomographic colonography (CTC) data with computed tomography acquisition parameters that meet the following minimal standards: Slice thickness no greater than 5 mm Reconstruction interval no greater than 3 mm Pitch no greater than 2 Anatomic coverage of the entire colorectum Supine and prone data sets Complete colonoscopy performed within 30 days following CTC by a board certified gastroenterologist or a physician with at least 3 years of colonoscopic experience Pathology reports for all endoscopically or surgically removed colorectal lesions with the exception of polyps that are inadvertently dropped at the time of retrieval Photograph or videotape record of dropped lesion allowed as proof of its existence All studies are allowed including those with lesions less than 1 cm, lesions at least 1 cm, or no lesions Report documents size, site, stage, grade, and type of colorectal cancers; size, site, degree of dysplasia, and type of colorectal adenomas; and types of other lesions (e.g., inflammatory, vascular, ulcerative) Demographic data including patient's age, sex, ethnic background, symptoms, risk factors, and relevant clinical history PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Not specified Life expectancy: Not specified Hematopoietic: Not specified Hepatic: Not specified Renal: Not specified PRIOR CONCURRENT THERAPY: See Disease Characteristics
Sites / Locations
- University of Alabama Comprehensive Cancer Center
- Jonsson Comprehensive Cancer Center, UCLA
- Veterans Affairs Medical Center - San Francisco
- Emory University School of Medicine
- Boston Medical Center
- Mayo Clinic Cancer Center
- Mallinckrodt Institute of Radiology
- NYU School of Medicine's Kaplan Comprehensive Cancer Center
- Duke Comprehensive Cancer Center
- Comprehensive Cancer Center of Wake Forest University Baptist Medical Center
- Milton S. Hershey Medical Center