科普：甲状腺三类结节严重吗？
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 甲状腺结节三级在临床上不是严重的<span style="color: black;">疾患</span>，<span style="color: black;">或</span>在甲状腺结节中是比较轻微的。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 甲状腺结节<span style="color: black;">做为</span>甲状腺最<span style="color: black;">平常</span>的<span style="color: black;">疾患</span>，<span style="color: black;">日前</span>为止，确切的发病<span style="color: black;">原由</span>并不清楚。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">日前</span>临床上对甲状腺结节的处理<span style="color: black;">重点</span>是密切观察、<span style="color: black;">定时</span>复诊，<span style="color: black;">由于</span>到<span style="color: black;">日前</span>为止，尚<span style="color: black;">无</span><span style="color: black;">药品</span>能够<span style="color: black;">掌控</span>甲状腺结节的生长时期缩小或消失，在临床上<span style="color: black;">重点</span>是<span style="color: black;">警觉</span>甲状腺结节<span style="color: black;">可否</span>增大<span style="color: black;">导致</span>压迫症状，<span style="color: black;">乃至</span>恶变可能。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> <span style="color: black;">因此</span>，<span style="color: black;">通常</span>每3~6个月要<span style="color: black;">定时</span>的对甲状腺结节进行彩超<span style="color: black;">检测</span>，并行甲状腺素水平<span style="color: black;">检测</span>，甲状腺素水平<span style="color: black;">包含</span>T3、T4、TSH<span style="color: black;">检测</span>，是为了排除甲亢或甲减可能，而行彩超<span style="color: black;">检测</span>是对甲状腺结节进行分级，<span style="color: black;">通常</span><span style="color: black;">来讲</span>，三级以下时<span style="color: black;">一般</span>恶变的概率<span style="color: black;">少于</span>2%，<span style="color: black;">亦</span><span style="color: black;">便是</span>说几乎绝大<span style="color: black;">都数</span>都是良性的甲状腺结节。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4级以上有超过5%的可能是甲状腺恶性结节，<span style="color: black;">因此</span><span style="color: black;">一般</span><span style="color: black;">必须</span>行细胞穿刺，病理<span style="color: black;">检测</span>排除恶变可能。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> <span style="color: black;">因此</span>，甲状腺结节三级，<span style="color: black;">一般</span>直径不超过三公分时，<span style="color: black;">没</span>需处理，密切观察、<span style="color: black;">定时</span>复诊<span style="color: black;">就可</span>。</p>
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