Pulmonary nodule
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Equal to or more than 40-years old 2. Written informed consent is obtained. 3. Patients with radiological, microbacterial, histological and laboratorial as well as more than two-years follow-up CT examinations are performed.
Exclusion criteria
Exclusion criteria: 1. Already included subject 2. Pregnant woman or female with possibility for pregnancy 3. Patients who undergo standard-dose CT examination and don't allow any further radiation exposure. 4. Patient who is considered as non inclusive by researchers
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Results of compared nodule detection capability among CAD system alone and CAD system with concurrent and second reading method by physicians. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Comparison of quantitative image quality at various dose CTs among FBP, AIDR 3D and FIRST 2. Comparison of qualitative image quality at various dose CTs among FBP, AIDR 3D and FIRST 3. Comparison for nodule detection capability of CAD system among standard-, reduced- and ultra-low-dose CTs 4. Comparison for nodule detection capability at standard-, reduced- and ultra-low-dose CTs among CAD system alone and CAD system with concurrent and second reading methods by physicians | — |
Countries
Japan
Contacts
Kobe University Hospital Department of Radiology