peripheral pulmonary lesions
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) patient who is 20 years old or more. 2) patient who needs to perform a bronchoscopy using EBUS-GS to diagnose peripheral lung lesion. 3) written informed consent is obtained
Exclusion criteria
Exclusion criteria: 1) patients who have lesion directly observed under bronchoscopy. 2) patients who underwent re-biopsy during treatment of lung cancer. 3) patients whose lung lesion is thought to be benign 4)patients who cannot be performed bronchoscopy because of severe comorbidity. 5) patients who cannot quite antiplatelet or anticoagulant therapy. 6)pregnant women 7)patients not suitable for this study by physician
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| number of tumor cells | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) EBUS probe that is localized within or adjacent to the lesion 2) possibility of diagnosis 3) number of sample of tumor cells among all samples 4) size of sample 5) PD-L1 testing success 6) adverse event 7)In case of change to small GS, tumor size, tumor location, characteristics of tumor, CT bronchus sign 8) proportion of tumor cells in biopsy sample | — |
Countries
Japan
Contacts
Kobe University Graduate School of Medicine Division of Respiratory Medicine, Department of Internal Medicine