| 宋厂义,王社教,郑向红,雷立新,王应利,封娟毅,屈伟,王景林,马驰.小儿消化道出血99Tcm-高锝酸盐对异位胃黏膜显像的特征[J].中国医学影像技术,2002,18(2):133~135 |
| 小儿消化道出血99Tcm-高锝酸盐对异位胃黏膜显像的特征 |
| Image Characteristics of Ectopic Gastric Mucosa's 99Tcm-pertechnetate Scintigraphy in Pediatric Patients with Gastrointestinal Bleeding |
| 投稿时间：2001-10-10 |
| DOI： |
| 中文关键词: 美克尔憩室 小肠重复畸形 异位胃黏膜 99Tcm-高锝酸盐 显像特征 |
| 英文关键词:Meckel's diverticulum Small intestinal duplication Ectopic gastric mucosa 99Tcm-pertechnetate Image characteristics |
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| 中文摘要: |
| 目的 研究小儿消化道出血99Tcm-高锝酸盐异位胃黏膜的显像特征,建立美克尔憩室和小肠重复畸形影像学的诊断标准。方法 对141例消化道出血患儿作了99Tcm-高锝酸盐异位胃黏膜显像,按7.4MBq/kg静脉注射99Tcm-高锝酸盐,以脐为中心进行动态17min和静态30min或1h的采集。结果 141例患儿中59例显像阳性,阳性检出率为41.84%。141例消化道出血中,经手术和病理证实了48例。其中美克尔憩室18例,形态呈小圆形或近似小圆形1~3cm的异常浓集区。小肠重复畸形22例,其中呈条索肠袢状12例,团块状5例,4cm以上大圆形异常浓集区4例。食管、胃重复畸形3例。在48例患儿中,假阴性率为2.08%(小肠重复畸形1例),假阳性5例,为10.42%。结论 美克尔憩室与小肠重复畸形在 99Tcm-高锝酸盐异位胃黏膜显像中,有特征性影像学表现。 |
| 英文摘要: |
| Objective To study the image characteristics of ectopic gastric mucosa's 99Tcm-pertechnetate scintigraphy in gastrointestinal bleeding children, and establish the diagnoses standard of Meckel's diverticulum and small intestinal duplication. Methods Ectopic gastric mucosa's 99Tcm-pertechnetate scintigraphy was undertaken in 141 children with gastrointestinal bleeding. 99Tcm-pertechnetate (7.4MBq/kg) was injected intravenously. Seventeen minutes dynamic and 30 minutes or one hour static acquistion were performed with umbilicus as the detecting center. Results Fifty-nine cases of 141 patients were positive, and positive rate was 41.84%. Among all patients, 48 cases were confirmed by surgery and pathology. There were 18 Meckel's diverticulums which showed as little circular or similar little circular abnormal accumulations with diameter about 1~3cm, and 22 cases were small intestinal duplications, of these, 12 cases showed as bands like intestines. Five cases showed masses of accumulation, 4 cases showed large circular accumulations whose diameter were more than 4cm, and 3 duplications of oesophagus or stomach. In all cases, false-negative rate was 2.08% (one image showed as intestinal duplication) and false-positive were 5 cases (10.42%). Conclusion In ectopic gastric mucosa's 99Tcm-pertechnetate scintigraphy, the image of meckel's divercticulum and small intestinal duplication are characteristics, respectively. |
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