Objective To assess the accuracy and safety of ultrasound-guided percutaneous needle biopsy (US-PCNB) with 16G heavy needle for the diagnosis of central type pulmonary masses (CTPM).

• 目的评价16G粗针对中央型肺肿块(CTPM)行超声引导经皮穿刺肺活检(US-PCNB)的诊断价值及安全性。