CT-guided Lung Biopsy Technique : Track Embolization Pre-intervention Acquisition Guide Needle Placement / Biopsy Mixing of the hemostat gelatin powder with 6 cc normal saline Back-loading of mixture into 1 cc syringe At the conclusion of
Mixing of the hemostat gelatin powder with 6 cc normal saline
Back-loading of mixture into 1 cc syringe
At the conclusion of the procedure, hemastat gelatin powder mixture is placed into guiding needle lumen then into embolization track via passive technique
Immediate Post- Procedure CT
1-Hour Post Procedure CXR
Demographic Data
Track Embolization (n=125)
Non-Track Embolization (n=124)4)
Age
72.4
79.4
Gender
(Male :Female)
49 :76
66 :58
17gTrocar
48
63
19gTrocar
77
61
Size ofMass
(AP XTV)
2.9 x 2.9cm
3.0 x 2.8cm
Fiducial
48
63
Results
Track Embolization
(n=125)
Non-rack Embolization
(n=124)
Pneumothorax(%)
11(8.8%)
26(21%)
P =0.007
Chest Tube Placement(%)
5(4%)
10(8.1%)
P =0.18
Conclusions
CT-guided percutaneous lung biopsy and/or fiducial marker placement PTX rate is significantly reduced with utilization of the track embolization technique (p-value = 0.007)
Chest tube placement rate was reduced with use of the track embolization technique, but this did not reach statistical significance, likely due to sample size (p-value = 0.18)
The track embolization technique is a new, simple technique that has become our standard of practice in CT-guided percutaneous lung biopsy and/or fiducial marker placement
Future studies will include :
Larger number of patients
Cost-benefit analysis
Use of technique at other biopsy site (ex. liver, spleen, kidney)
