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상염색체 우성 다낭신 환자에서 18F-FDG PET-CT로 진단한 간낭종 감염 1예
심충남 ( Choong Nam Shim ),이태헌 ( Tae Heon Lee ),체재욱 ( Je Wook Chea ),허성은 ( Seung Eun Huh ),김향 ( Hyang Kim ),이규백 ( Kyu Beck Lee ),이영래 ( Young Rae Lee ),홍현표 ( Hyun Pyo Hong ),이은정 ( Eun Jeong Lee ) 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.1
Infection of hepatic cyst is a serious complication of autosomal dominant polycystic kidney disease (ADPKD). Early diagnosis of infected cyst is crucial and usually requires conventional modalities, including ultrasound and computed tomography. However, their contribution is limited because of nonspecific results. We report a case of hepatic cyst infection for which 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT) scan allowed the exact localization of the infected cyst and the precise drainage procedure. A 48-year-old woman with ADPKD presented with fever and RUQ pain. Contrast enhanced computed tomography did not show any evidence of complicated or infected cysts in both kidneys and liver. Though she had been treated by antibiotics for 7 days, patient`s symptoms were not improved. However, 18F-FDG PET-CT scan revealed infected cyst in the left lobe of liver exactly. After percutaneous drainage based on 18F-FDG PET-CT imaging, the hepatic cyst infection was controlled. Therefore, 18F-FDG PET-CT imaging could be a valuable tool to identify the exact localization of cyst infection, which may contribute to drain the infected cyst. We report this case with a brief review of relevant literature.