蛔虫卵
<p><span style="font-family: 宋体;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 14px;background: rgb(255, 255, 255)">蛔虫卵分受精卵和未受精卵。受精卵呈宽椭圆形,大小约为(<span style="font-family:Arial">45-75</span><span style="font-family:宋体">)μ</span><span style="font-family:Arial">m</span><span style="font-family:宋体">×(</span><span style="font-family:Arial">35-50</span><span style="font-family:宋体">)μ</span><span style="font-family:Arial">m</span><span style="font-family:宋体">,卵壳自外向内分为三层:受精膜、壳质层和蛔甙(</span><span style="font-family:Arial">dai</span><span style="font-family:宋体">四声)层。壳质层较厚,另外两层较薄,普通显微镜下难以分清。</span></span></p><p><br/></p>
目录:
1.检查须知
2.临床意义
3.检查过程
4.不适宜人群
5.相关检查
检查须知
<p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">一、检查时要求:</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">1、多制备几张涂片以备作进一步的检查,寄生虫卵检查应涂厚片。镜检时应盖上盖玻片,以免污染物镜。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">2、显微镜检查 显微镜检查目的是查找寄生虫和寄生虫卵等病理成分。看片必须遵循全片观察,由上至下,由左至右,避免重复,显微镜检查时至少每张涂片观察10个视野。寄生虫、虫卵检查用低倍镜观察。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">3、注意鉴别粪便中的寄生虫、细菌等病理成分。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">二、检查前准备:</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">1、带有虫卵的粪便有传染性,应该密封保存</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">2、部分虫体的检查需要在晚上才能进行</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; font-stretch: inherit; font-size: 14px; line-height: 26px; font-family: Verdana, SimSun; vertical-align: baseline; color: rgb(51, 51, 51); white-space: normal; background-color: rgb(255, 255, 255);">3、因为婴幼儿不容易一次取到足量的检体,若需要分次收集时,请将检体暂时置于冰箱冷藏保存,以避免细菌滋生。</p><p><br/></p>