Gogna A, Kar P, Acharya N R, Anand V J, Kapoor R
Trop Gastroenterol. 1989 Jul-Sep;10(3):167-72.
Of the 20 cases with biliary colics who had normal OCG and ultrasound, 11 (55%) showed microlithiasis in the form of cholesterol monohydrate crystals and/or calcium bilirubinate granules on polarized light microscopy of the duodenal bile. Microlithiasis was noted in gallbladder bile of all (100%) the cases with proven gallstones but in none of the duodenal bile samples from healthy subjects. This study suggests that polarized microscopy may be a useful method to detect microlithiasis in patients with repeated biliary colics who have normal OCG and ultrasound examination.
在20例口服胆囊造影（OCG）和超声检查均正常的胆绞痛患者中，11例（55%）十二指肠胆汁偏振光显微镜检查显示有一水合胆固醇晶体和/或胆红素钙颗粒形式的微结石。在所有经证实有胆结石的病例（100%）的胆囊胆汁中均发现微结石，但在健康受试者的十二指肠胆汁样本中均未发现。本研究表明，偏振显微镜检查可能是检测口服胆囊造影和超声检查正常但反复出现胆绞痛患者微结石的一种有用方法。
