甲状腺癌的B超单怎么看

2025-04-07 23:27:04
推荐回答(2个)
回答(1):

甲状腺癌在B超下的表现,主要有以下几种类型:

①肿块形态不规则,边界不清或晕环不完整,内部呈不均匀低回声,多数伴砂粒状强回声钙化。即“实质不均质低回声暗区型”。在甲状腺癌中最多见,相对较易诊断。病理多数为乳头状癌。

②肿块边界清,形状(不)整齐,内部呈低回声,后方回声可减低。即“实质性衰减暗区型”。常见于滤泡状腺癌、髓样癌。

③肿块边界清有包膜,内部回声均匀或不均匀(可伴弧形或斑块状强回声粗钙化)或呈液实混合回声。即“腺瘤型”。

④肿块边界清或不清,内部为液性或混合性暗区。即“囊性变”。

但须特别指出:液性暗区或液实混合回声并非均为良性病变所致;边界清,有包膜,内部回声较均匀也并非均为良性病变表现;肿块内部回声不均匀,伴弧形或斑块状强回声粗钙化则既可存在于癌肿结节中,也可存在于反复增生的结节性甲状腺肿结节内。因此仅靠B超表现是不能作为鉴别良恶性结节的绝对依据。

如果无法明确,建议行穿刺活检。如果明确是占位病变,立即行手术切除,术中冷冻送病理,根据病理确定下步治疗方案。

回答(2):

B超只能简单的判断结节整体性质,例如结节出现点状钙化斑、强光斑、血流异常丰富、结节组织过大等情况,最好是可以结合活检明确结节性质,单纯通过B超单并不能百分百确认为甲状腺癌。

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