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摘要目的在首次细针穿刺活检结果不明的病人中,明确与恶性肿瘤相关的人口统计学和超声特征,以阐明重复细针穿刺活检、手术切除和超声随访在这类结节诊疗中发挥的
Abstract Objective To clarify the demographic and ultrasonographic characteristics of malignant tumors in patients with unknown primary needle biopsy to clarify the role of repeated fine needle biopsy, surgical resection and ultrasound follow-up in the diagnosis and treatment of such nodules