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目的:对比分析滤泡型甲状腺乳头状癌与甲状腺腺瘤的超声声像图特征。方法:选择临床确诊并经病理检查证实的滤泡型甲状腺乳头状癌28例和甲状腺腺瘤35例,着重对超声声像图形态、边界、内部回声、微钙化、声晕、纵横比及血流情况等特征进行对照分析。结果:(1)滤泡型甲状腺乳头状癌超声声像图低回声者占75.0%、有微钙化者占32.1%、有中量血流信号者占60.7%,均显著高于甲状腺腺瘤的37.1%、8.6%和25.7%(P<0.05)。两组的形态、边界、声晕和纵横比等声像图征象比较,差异不显著(P>0.05)。(2)滤泡型甲状腺乳头状癌超声诊断与病理检查诊断符合率57.1%,显著低于甲状腺腺瘤的88.6%(P<0.05)。结论:滤泡型甲状腺乳头状癌同时具有良性及恶性肿瘤的声像图特征,须注意与甲状腺腺瘤进行鉴别。
Objective: To compare and analyze the ultrasonographic features of follicular papillary thyroid carcinoma and thyroid adenoma. Methods: 28 cases of follicular thyroid papillary carcinoma and 35 cases of thyroid adenoma confirmed by pathology were selected. The echography, boundary, internal echo, micro-calcification, sound halo, aspect ratio and blood Flow conditions and other characteristics of the control analysis. Results: (1) The ultrasonography of follicular papillary thyroid carcinoma accounted for 75.0%, 32.1% with microcalcification, 60.7% with moderate blood flow signal, which were significantly higher than that of thyroid adenoma 37.1%, 8.6% and 25.7% respectively (P <0.05). There was no significant difference between the two groups in morphology, boundary, sound halo and aspect ratio (P> 0.05). (2) The coincidence rate of ultrasound diagnosis and pathological examination of follicular papillary thyroid carcinoma was 57.1%, which was significantly lower than that of thyroid adenoma 88.6% (P <0.05). CONCLUSION: Follicular papillary thyroid carcinoma has both benign and malignant features of sonographic images. It should be noted that it should be differentiated from thyroid adenoma.