钩虫卵
<p><span style="font-family: 宋体;color: rgb(51, 51, 51);letter-spacing: 0;font-size: 14px;background: rgb(255, 255, 255)">钩虫卵是钩虫的卵。钩虫卵属虫卵,是卵壳薄,无色透明<span style="font-family:Arial">;</span><span style="font-family:宋体">钩虫卵对称,两端钝圆,钩虫卵卵壳两端间隙较大。刚排出体外的虫卵,内含有</span><span style="font-family:Arial">2~4</span><span style="font-family:宋体">个细胞,新鲜钩虫卵内含</span><span style="font-family:Arial">2~8</span><span style="font-family:宋体">个细胞,聚集在横径最宽部。钩虫口囊内有钩齿或板齿咬附、破坏肠粘膜并吸血。钩虫吸血时,分泌抗凝素,加重血液的丢失。因钩虫寄生造成人丢失的血量,为吸血量、移位伤口渗血量、咬附点渗血量和偶尔肠粘膜大面积渗血量的总和。每条十二指肠钩口线虫每日所致失血量为</span><span style="font-family:Arial">0.14~0.4d</span><span style="font-family:宋体">,而美洲板口线虫为</span><span style="font-family:Arial">0.01~0.1m1</span><span style="font-family:宋体">。钩虫破坏肠粘膜,影响营养成分的吸收,加重贫血的发生。宿主全身营养不佳时,虽有少量钩虫寄生,也可出现贫血。</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>