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Brief Title: Computerized Tomographic Colonography Compared With Standard Diagnostic Procedures in Detecting Colorectal Neoplasia
Official Title: Computerized Tomographic Colonography: Performance Evaluation in a Multicenter Setting
Study ID: NCT00005809
Brief Summary: RATIONALE: New diagnostic procedures such as computed tomographic colonography may provide a less invasive method of identifying patients who have colorectal neoplasia. PURPOSE: Diagnostic study to compare the effectiveness of computerized tomographic colonography with that of standard diagnostic procedures in detecting colorectal neoplasia.
Detailed Description: OBJECTIVES: I. Compare retrospectively the accuracy of computerized tomographic colonography (CTC) vs pathology and colonoscopy in the detection of clinically important colorectal neoplasia, defined as at least one proven lesion with a diameter measuring at least 1 cm. II. Compare the physician image display preferences and interpretation time across three viewing platforms for CTC images. OUTLINE: This is a retrospective, multicenter study. Radiologists evaluate each patient's optimal diagnostic computerized tomographic colonography (CTC) data. Patients' CTC findings are evaluated by a radiologist at a central facility using an imaging display software platform from General Electric, Vital Images, or the Mayo Clinic. CTC findings are compared with conventional colonoscopy findings and pathologic analysis. A comparison is made between physician image display preferences and interpretation time across three viewing platforms for CTC images. PROJECTED ACCRUAL: A total of 90 patients will be accrued for this study.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
University of Alabama Comprehensive Cancer Center, Birmingham, Alabama, United States
Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, California, United States
Veterans Affairs Medical Center - San Francisco, San Francisco, California, United States
Emory University School of Medicine, Atlanta, Georgia, United States
Boston Medical Center, Boston, Massachusetts, United States
Mayo Clinic Cancer Center, Rochester, Minnesota, United States
Mallinckrodt Institute of Radiology, Saint Louis, Missouri, United States
NYU School of Medicine's Kaplan Comprehensive Cancer Center, New York, New York, United States
Duke Comprehensive Cancer Center, Durham, North Carolina, United States
Comprehensive Cancer Center of Wake Forest University Baptist Medical Center, Winston-Salem, North Carolina, United States
Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States
Name: C. Daniel Johnson, MD
Affiliation: Mayo Clinic
Role: STUDY_CHAIR