Journal of cancer research and therapeutics · 2018
Clinical application of planar puncture template-assisted computed tomography-guided percutaneous biopsy for small pulmonary nodules.
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Ji Zhe, Wang Guan, Chen Baoming, Zhang Yuwei, Zhang Li, Gao Fuchun, Chai Shude, Huo Bin, Zheng Guangjun, Huo Xiaodong, Wang Baoming, Zhu Xudong, Meng Dan, Liu Lejun, Zhu Rui, Han Mingyong, Zhang Ying, Zhang Kaixian, Wang Junjie
Аннотация
AIMS: The aims of this study were to evaluate the clinical application of planar puncture template (PPT) in computed tomography (CT)-guided percutaneous needle lung biopsy.
SUBJECTS AND METHODS: A total of 56 patients with small pulmonary nodules who received CT-guided percutaneous lung biopsy assisted by PPT were included in the study. Five steps were included in the study: fixing position, CT scanning and designing needle pathway, installing navigation system and template, puncturing fixation needle, and performing biopsy needle insertion and biopsy. The success rate of puncture, pathological results, and complications were analyzed. In addition, the factors that influenced the success rate and complications were analyzed.
RESULTS: Biopsy was successfully completed in all 56 patients. The nodule diameter was 0.45-3 cm. The fixation needle technique was applied in 47 cases. Biopsy was performed 1 time in 50% of patients and 2 times in 38% of patients. For pathology, only one case showed no positive result, with a puncture success rate of 98%. The diagnostic rate of malignant tumor was 73%. For complications, the incidence of needle tract bleeding was 68%, the incidence of pneumothorax was 30%, and the thoracic drainage was required in two patients. Hemoptysis was observed in two cases. Univariate analysis: The nodule size was related to both the rate of 1-time biopsy and incidence of complications. Smaller nodule was relevant to lower rate of 1-time biopsy (P = 0.01) and higher incidence of complications (P < 0.05). The fixation needle was related to 1-time biopsy rate. The 1-time biopsy rate was significantly higher in patients with fixation needle than those without fixation needle (P = 0.001). Meanwhile, no significant difference was observed in the incidence of complications in different number of fixation needles (P > 0.05).
CONCLUSIONS: PPT-assisted lung biopsy technology can provide high success rate and low complication incidence. It would be helpful to make the puncture procedures more standard for better clinical applications.
SUBJECTS AND METHODS: A total of 56 patients with small pulmonary nodules who received CT-guided percutaneous lung biopsy assisted by PPT were included in the study. Five steps were included in the study: fixing position, CT scanning and designing needle pathway, installing navigation system and template, puncturing fixation needle, and performing biopsy needle insertion and biopsy. The success rate of puncture, pathological results, and complications were analyzed. In addition, the factors that influenced the success rate and complications were analyzed.
RESULTS: Biopsy was successfully completed in all 56 patients. The nodule diameter was 0.45-3 cm. The fixation needle technique was applied in 47 cases. Biopsy was performed 1 time in 50% of patients and 2 times in 38% of patients. For pathology, only one case showed no positive result, with a puncture success rate of 98%. The diagnostic rate of malignant tumor was 73%. For complications, the incidence of needle tract bleeding was 68%, the incidence of pneumothorax was 30%, and the thoracic drainage was required in two patients. Hemoptysis was observed in two cases. Univariate analysis: The nodule size was related to both the rate of 1-time biopsy and incidence of complications. Smaller nodule was relevant to lower rate of 1-time biopsy (P = 0.01) and higher incidence of complications (P < 0.05). The fixation needle was related to 1-time biopsy rate. The 1-time biopsy rate was significantly higher in patients with fixation needle than those without fixation needle (P = 0.001). Meanwhile, no significant difference was observed in the incidence of complications in different number of fixation needles (P > 0.05).
CONCLUSIONS: PPT-assisted lung biopsy technology can provide high success rate and low complication incidence. It would be helpful to make the puncture procedures more standard for better clinical applications.