Pulmonary GGO nodules
Conditions
Interventions
GLT group:Using geometric localization technique based on CT measurement
CGPM group:Using CT-guided percutaneaous marking technique
Sponsors
The First Affiliated Hospital of Chongqing Medical Universit
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age >=18 years; 2. Solitary pulmonary GGO nodule, the maximum diameter is less than 20mm and Consolidation/tumor ratio (C/T) = 20mm or C/T >=0.25; 3. Located at the outer third of the lung parenchyma; 4. Suspicious-appearing malignancy or at least 3 months follow up for not confirmed lesion or biopsy-proven malignancies, and no lymph nodes metastasis was indicated by CT (cN0); 5. The lesion does not invade visceral pleaura; 6. The patients will receive wedge resection and sufficient resection margin can be guaranteed according to preoperative CT.
Exclusion criteria
Exclusion criteria: 1. Patients were suffering from severe comorbidities that can not be tolerable for surgery, such as pulmonary diseases, heart diseases, liver and renal diseases or cerebral diseases; 2. Patients have contraindication for puncture for CT-guided percutaneous marking technique, such as cutaneaous infection; or the patients do not fit for CT-guided percutaneous marking technique; 3. Other positioning methods are used; 4. Patients are not willing to participate in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Successful localization rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sufficient resection margin rate;Localization related complication rate;The distance between nodule and marked/punctured visceral pleura point;Time for localization;Time for operation;In-hospital cost; | — |
Countries
China
Contacts
Public ContactMengjun Bie
The First Affiliated Hospital of Chongqing Medical University
Outcome results
None listed