甲状腺乳头状癌的超声表现特征

目的：探讨甲状腺乳头状癌（ PTC）的超声表现特征及超声对甲状腺乳头状癌的诊断价值。方法回顾性分析经手术病理证实的65例（108个结节）甲状腺乳头状癌及186例（256个结节）甲状腺良性结节的超声特点，主要包括结节的边界、形态、质地、内部回声、血流情况等，并对两组结节的超声表现征象进行统计学分析。结果108个PTC患者中，实性或以实性为主的结节占91．7％（105/108），低回声结节占83．3％（81/108），边缘毛糙，呈浸润性生长结节占85．2％（92/108），结节内砂砾样微小钙化占64．8％（70/108），上述征象与良性结节对比有统计学意义（P＜0．01）；结节形态、结界内血流信与良性结节对比无统计学意义（P＞0．05）。结论 PTC的主要超声特征包括：实性低回声或极低回声，边缘毛糙、结节内纵横比≥1、合并微小钙化。

Features of Papillary Thyroid Carcinoma in Ultrasonographic Diagnosis

Objective To explore the US features of papillary thyroid carcinoma （ PTC） and the value of the US features in diagnosis of PTC .Methods The US features of 108 PTC nodules of 65 patients and 256 benign nodules of 186 patients were analyzed retrospectively .The US features included margin ,shape,content,echogenicity and blood sup-ply.Results The US features of PTC nodules included the following charactrtics：Hypoechoic nodules （81/105）,solid predominant cotent（105/108）,infiltrative growth with spiculate margin,taller than wide shape（92/108）,Dots and sand-like microcalcification 64.8%（70/108）（P〈0.01）.Conclusion The predominant solid coent,hypo or marked hypoe-chogenicity ,spiculate margin ,taller than wide shape ,and microcalcification are the important ultrasonographic features of PTC.