Diagnostic Performance of Core Needle Biopsy and Fine Needle Aspiration Separately or Together in the Diagnosis of Intrathoracic Lesions Under C-arm Guidance.

Combined use of CNB and FNA using the same coaxial guide-needle showed better diagnostic performance than using one alone. When comparing CNB and FNA, CNB showed significantly better performance, when atypical cells included a benign entity in FNA.