Pulmonary nodules (diameter < 30 mm)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. It has thin-layer complete chest CT images in the plain scan period; 2. Pulmonary nodules with a clear surgical or puncture pathological diagnosis; 3. The average diameter of the maximum cross-section of the lesion is less than or equal to 30cm; 4. The scanning instruments are all four CTS from Peking University Cancer Hospital, including Philips Brilliance 64-slice iCT, GE Revolution CT and Discovery Spectral CT.
Exclusion criteria
Exclusion criteria: 1. The image scanning range is incomplete. 2. Poor image quality affects interpretation, such as :(1) Improper positioning; (2) Obvious imaging artifacts; (3) Excessive noise, etc. 3. The researchers consider it inappropriate to include it in this clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity;Accuracy; | — |
Countries
China
Contacts
Peking University Cancer Hospital & Institute, Beijing