Pulmonary nodules
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for the pulmonary nodule group: 1) age =45 years old; 2) nodules in the lungs on imaging examination; 3) no signs of worsening of the lesions after 1 year or more of follow-up. Inclusion criteria for healthy controls: 1) age =45years old; 2) no abnormal findings in imaging examinations; 3) no respiratory disease or symptoms such as cough and sputum.
Exclusion criteria
Exclusion criteria: 1) Suffering from benign lung diseases such as pulmonary infection, emphysema; 2) History of malignant tumors within 5 years; 3) Patients have the following metabolic diseases: bronchial asthma, diabetes, severe liver function damage, end-stage renal disease and acute stage of inflammation; 4) No informed consent was signed.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pulmonary function;Risk factors of pulmonary nodule;The malignancy of pulmonary nodules; | — |
Secondary
| Measure | Time frame |
|---|---|
| Volatile organic compounds in exhaled breath; | — |
Countries
China
Contacts
Yangzhou University