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肾绞痛,许多原因都可以引起。例如突然地输尿管痉挛,肾盂内压升高,以及肾蒂扭转等。临床上以上部尿路结石时较为多见。在尿石病人中,常遇到虽有典型的肾绞痛发作,但在此时检尿常规,却只出现少数红细胞,甚至连红细胞都不见。拍腹部平片在尿路区域内也无致密影的病例。这种情况不难理解,不显影有可能为X线阴性结石,但一般为数甚少,较多的是微石对输尿管的损伤。它和结石嵌顿一样,可以招来输尿管的痉挛,导致尿液不能从肾盂向下排流。所以,尿中查不出明显的改变。如若检查绞痛缓解后第一次排出的尿液,会大有帮助。此时镜下不仅可见大量的红细胞,有时还可能出现带有棱角、针状的,见之于酸性尿中的草酸钙、尿酸盐,以及见之于碱性
Kidney colic can be caused by many reasons. Such as sudden ureteral spasm, increased renal pelvis pressure, and torsion of the kidneys. Urinary tract stones above the clinical more common. In patients with urolithiasis, although often encountered with typical onset of renal colic, but at this time urinary routine, but only a small number of red blood cells, red blood cells are not even see. Patient abdominal film in the urinary tract area no dense shadow cases. This situation is not difficult to understand, not developing may be X-ray negative stones, but generally few, more is the ureteral injury microlithiasis. It is the same as the stone incarceration, can bring ureter spasm, resulting in urine can not drain from the renal pelvis. So, no obvious change in urine check. If you check the first discharge of colic relieve urine, will be of great help. At this time not only the microscope can see a large number of red blood cells, and sometimes there may be angular, acicular, see the acidic urine calcium oxalate, uric acid, and see the alkaline