4 , ‹zmir Bacground/aims: Magnetic resonance cholangiopancreaticogra- phy is a noninvasive technique in examination of the biliopancreat- ic tract which requires less experience than endoscopic retrograde cholangiopancreaticography. The aim of this study was to evaluate the diagnostic value of magnetic resonance cholangiopancreaticog- raphy compared to endoscopic retrograde cholangiopancreaticogra- phy for common bile duct stones. Methods: The study included 27 patients (16 male, 11 female), with a median age of 59.2±8.1 years (range 24 to 76 years) who underwent magnetic resonance cholan- giopancreaticography and then endoscopic retrograde cholan- giopancreaticography and in whom the results of both techniques were compared. The time interval between each technique was no longer than 12 hours. Results: False negative results with magnet- ic resonance cholangiopancreaticography occurred in two cases with stones less than 3 mm in diameter. No false positivity was seen. Magnetic resonance cholangiopancreaticography was unsuc- cessful in detecting a stone in the common bile duct of a patient with massive ascites, while it had a sensitivity and specificity of 88.8% and 100% respectively. Conclusion: Magnetic resonance cholan- giopancreaticography has very high sensitivity and specificity in the evaluation of the common bile duct and can avoid to perform pure- ly diagnostic than endoscopic retrograde cholangiopancreaticogra- phy. Amac: Manyetik rezonans kolanjiopankreatografi biliopankreatik yollar›n goruntulenmesinde kullan›lan invazif olmayan bir yon- temdir. Manyetik rezonans kolanjiopankreatografi, endoskopik ret- rograd kolanjiopankreatografiye gore daha az deneyim gerek- tirmektedir. Bu cal›flmada manyetik rezonans kolan- jiopankreatografinin koledok tafllar›n›n tespitindeki tan›sal yarar› endoskopik retrograd kolanjiopankreatografininki ile karfl›laflt›r›lm›flt›r. Yontem: Kolanjit ve/veya pankreatit klinii ile hastanemize baflvuran 27 olgu (16 erkek, 11 kad›n; yafl ortala- mas›:59.2±8.1 y›l) cal›flmaya al›nm›flt›r. Olgular once manyetik rezonans kolanjiopankreatografi ile deerlendirilmifl ve daha sonra endoskopik retrograd kolanjiopankreatografi yap›lm›flt›r. Bu iki yontem aras›ndaki zaman›n 12 saatten daha fazla olmamas›na dikkat edilmifltir. Bu iki teknikle elde edilen sonuclar karfl›laflt›r›lm›flt›r. Bulgular: Uc milimetreden kucuk tafl bulunan iki olguda manyetik rezonans kolanjiopankreatografi yalanc› negatif sonuc vermifltir. Yalanc› pozitiflik ise gozlenmemifltir. Manyetik rezonans kolanjiopankreatografi ile masif asid bulunan bir olguda koledokun goruntulenmesi salanamam›flt›r. Cal›flmam›zda manyetik rezonans kolanjiopankreatografi kole- dokolitizis tan›s›nda %88.8 duyarl›l›k ve %100 ozgulluk goster- mifltir. Sonuc: Koledok tafllar›n›n tan›s›nda manyetik rezonans kolanjiopankreatografi yuksek duyarl›l›k ve ozgulluk ile sadece diagnostik amacl› endoskopik retrograd kolanjiopankreatografi yap›lmas› gerekliliini ortadan kald›rm›flt›r. Anahtar kelimeler: MRCP, ERCP, koledok, tan›sal.
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