Journal of cancer research and therapeutics · 2018
Application value of coaxial biopsy system in needle cutting biopsy for focal ground glass-like density nodule.
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Yu Hualong, Zhang Chuanyu, Liu Shihe, Jiang Gang, Li Shaoke, Zhang Liang, Kang Enhao, Zhang Bingping, Xu Wenjian
Аннотация
OBJECTIVE: The objective of the study is to evaluate the clinical efficacy and accuracy of coaxial biopsy puncture applied to make a diagnosis in 76 patients diagnosed with focal ground-glass density nodule (GGN).
MATERIALS AND METHODS: In total, 76 patients were diagnosed with pure GGN (pGGN), 24 males and 52 females, aged (52 ± 1.2) years on average (range: 47-72 years). All patients underwent computed tomography (CT)-guided coaxial biopsy puncture to localize the position and measure the size of pGGN. The maximal diameter of the pGGN and the length of puncture needle into the lung were quantitatively measured. The diagnostic accuracy rate of CT-guided biopsy was subsequently validated by histological pathological examination. The incidence of postoperative complications was observed after biopsy.
RESULTS: The pGGN diameter was measured from 5 to 45 mm, 21 mm on average. The pGGN depth ranged from 0 to 48 mm with a mean depth of 15 mm. Compared with the final diagnosis, the sensitivity, specificity, and accuracy rates of CT-guided needle aspiration biopsy in the diagnosis of pGGN were calculated as 97.3% (54/56), 85.0% (17/20), and 93.4% (71/76), respectively. Fourteen cases (18.4%) suffered from slight pneumothorax, 17 (22.4%) with mild errhysis surrounding the biopsy needle or lesions.
CONCLUSION: CT-guided needle aspiration biopsy yields higher diagnostic accuracy and similar postoperative complications compared with the conventional histological diagnosis. For those undiagnosed by conventional CT scan and nontolerable of surgery, CT-guided needle aspiration biopsy serves as a safe and effective intervention.
MATERIALS AND METHODS: In total, 76 patients were diagnosed with pure GGN (pGGN), 24 males and 52 females, aged (52 ± 1.2) years on average (range: 47-72 years). All patients underwent computed tomography (CT)-guided coaxial biopsy puncture to localize the position and measure the size of pGGN. The maximal diameter of the pGGN and the length of puncture needle into the lung were quantitatively measured. The diagnostic accuracy rate of CT-guided biopsy was subsequently validated by histological pathological examination. The incidence of postoperative complications was observed after biopsy.
RESULTS: The pGGN diameter was measured from 5 to 45 mm, 21 mm on average. The pGGN depth ranged from 0 to 48 mm with a mean depth of 15 mm. Compared with the final diagnosis, the sensitivity, specificity, and accuracy rates of CT-guided needle aspiration biopsy in the diagnosis of pGGN were calculated as 97.3% (54/56), 85.0% (17/20), and 93.4% (71/76), respectively. Fourteen cases (18.4%) suffered from slight pneumothorax, 17 (22.4%) with mild errhysis surrounding the biopsy needle or lesions.
CONCLUSION: CT-guided needle aspiration biopsy yields higher diagnostic accuracy and similar postoperative complications compared with the conventional histological diagnosis. For those undiagnosed by conventional CT scan and nontolerable of surgery, CT-guided needle aspiration biopsy serves as a safe and effective intervention.