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。
Methods: 4 cases with benign neoplasm in thyroid were operated using ultrasonic scalpel.
方法：应用超声刀对甲状腺良性肿物4例行切除术。
Methods:The ultrasonic signs were retrospectively examined in 67 cases with thyroid neoplasm 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。
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