Healthy individual
Conditions
Interventions
Low-dose CT colonography with the mild setting of the AIDR 3D algorithm.
Low-dose CT colonography with the standard setting of the AIDR 3D algorithm.
Low-dose CT colonography with the strong setting o
Sponsors
Kameda Medical Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Healthy individual. 2) Major functions of organs of the subjects are in a good condition. 3) Aged 20 years or older. 4) Signed informed consent forms are obtained by the patients.
Exclusion criteria
Exclusion criteria: 1) Gastric or intestinal stenosis, abdominal adhesions, bowel obstruction or perforation, toxic megacolon. 2) Evidence of an increased risk in carrying out bowel preparation or CTC exams. 3) Possibility of pregnancy. 4) Patients with psychological conditions that contraindicate CT colonography or make them irrelevant to participate in the trial. 5) Claustrophobia. 6) Iodine hypersensitivity. 7) Severe thyroid disease. 8) Severe deafness. 9) Subjects whose eligibility for this clinical trial is not appropriate by other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Image quality and noise assessments for CT colonography by 2D and 3D images. | — |
Secondary
| Measure | Time frame |
|---|---|
| Radiation dose in screening CT colonography. | — |
Countries
Japan
Contacts
Public ContactKoichi Nagata M.D PhD
Kameda Medical Center Department of Radiology
Outcome results
None listed