Brandon J, Glick S N, Teplick S K
AJR Am J Roentgenol. 1985 Mar;144(3):581-4. doi: 10.2214/ajr.144.3.581.
Intestinal giardiasis is a common enteric pathogen. Conventional diagnostic screening studies are only 50% accurate. Although radiologic abnormalities in the small intestine have been described, barium studies are often normal. Symptoms may be chronic and debilitating but are effectively treated with appropriate therapy. Three cases were encountered in which recognition of subtle radiographic abnormalities in the small intestine was responsible for proper diagnosis. These findings consisted of a progression from relatively normal jejunum on initial films to dilution, segmentation, and apparent increased fold thickness in the proximal small intestine on delayed films. When this pattern is identified, the radiologist may suggest the possibility of giardiasis and thus direct the referring physician to use definitive diagnostic procedures.
肠道贾第虫病是一种常见的肠道病原体。传统的诊断筛查研究准确率仅为50%。虽然小肠的放射学异常已有描述，但钡剂造影检查通常正常。症状可能是慢性且使人衰弱的，但通过适当治疗可有效缓解。遇到了三例病例，其中小肠细微的放射学异常表现有助于做出正确诊断。这些表现包括最初的X线片上空肠相对正常，而延迟片上近端小肠出现稀释、节段性改变以及黏膜皱襞厚度明显增加。当识别出这种表现模式时，放射科医生可提示贾第虫病的可能性，从而指导转诊医生采用确定性诊断程序。
