[Comparison of ultrasound-guided mammotome and Tru-cut biopsy needle in diagnosing breast masses].

OBJECTIVE: To compare the diagnostic value of ultrasound-guided mammotome and Tru-cut biopsy needle in diagnosing breast masses. METHODS: Retrospective analysis was performed in 214 patients with breast masses obtained separately by mammotome or Tru-cut biopsy needle guided by ultrasound, and analyzed by pathological examination. The success ratios of sample choosing and the coincident ratios of pathological diagnosis were compared. RESULTS: The success ratios of sample choosing for mammotome and Tru-cut biopsy needle were 100% and 90%, respectively. The coincident ratios of pathological diagnosis of mammotome and Tru-cut were 98. 7% and 90%, respectively. There was significant difference in the 2 groups (P < 0.05). CONCLUSION: Mammotome is a useful method and superior to Tru-cut biopsy needle in the diagnosis of breast masses.