Methods:The ultrasonic signs were retrospectively examined in 67 cases with thyroidneoplasm with regard to the presentation, calcification type, echo intensity and cystic change.
方法：回顾性分析67例甲状腺肿块超声表现，包括肿块钙化类型、回声水平、内部成分。
2
This neoplasm can be multifocal, as seen here, because of the propensity to invade lymphatics within thyroid, and lymph node metastases are common.
在甲状腺内易侵袭淋巴管，因此淋巴结转移较常见，可见多个病灶。
3
Methods: 4 cases with benign neoplasm in thyroid were operated using ultrasonic scalpel.