Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study
Yıl: 2023 Cilt: 7 Sayı: 1 Sayfa Aralığı: 32 - 40 Metin Dili: İngilizce DOI: 10.46332/aemj.1017662 İndeks Tarihi: 17-05-2023
Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study
Öz: Purpose: Differential diagnosis of extrahepatic cholestasis can be challenging due to the variable sensitivity and specificity rates of imaging techniques. Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive method used for the evaluation of biliary tree. We aimed to investigate the diagnostic accuracy of MRCP in biliary obstruction. Materials and Methods: Medical records of patients admitted with extrahepatic cholestasis between January 2012 and December 2016 were retrospectively reviewed. Patients who had endoscopic retrograde cholangiopancreatography (ERCP) following MRCP were included. The final diagnosis of ERCP was accepted as gold standard. The diagnostic efficiency of MRCP was evaluated by calculating sensitivity, specificity, accuracy, negative and positive predictive values as compared with ERCP. Results: There were 615 patients with a mean age of 60.1±17.5 years. Using MRCP, choledocholithiasis, malignant and benign strictures were diagnosed in 337(54.8%), 101(16.4%), and 39 patients (6.3%), respectively. Normal MRCP findings were present in 65 patients (10.6%). Final diagnoses via ERCP were: choledocholithiasis (n=390, 63.4%), malignant stricture (n=152, 24.7%), benign stricture (n=62, 10.1%), and normal findings (n=11, 1.8%). The sensitivity and specificity of MRCP were 70.8% and 72.9% for choledocholithiasis, 55.9% and 96.5% for malign stricture, 16.1% and 94.8% for benign stricture, respectively. Overall accuracy rates were 71.5%, 86.5%, and 86.8% for choledocholithiasis, malign and benign strictures, respectively. Conclusion: Diagnostic accuracy of MRCP is variable for different biliary/cholestatic etiologies. Due to a lower sensitivity for chole docholithiasis, normal MRCP findings should be handled with caution, especially when there is a clinical suspicion of biliary obstruction.
Anahtar Kelime: Ekstrahepatik Kolestazlı Hastalarda Manyetik Rezonans Kolanjiyopankreatografinin Tanısal Doğruluğu: Retrospektif Bir Kohort Çalışması
Öz: Amaç: Ekstrahepatik kolestazın ayırıcı tanısı, görüntüleme tekniklerinin değişken duyarlılık ve özgüllük oranları nedeniyle zor olabilir. Manyetik rezonans kolanjiyopankreatografi (MRCP), safra yollarının değerlendirilmesinde kullanılan non-invaziv bir yöntemdir. Biliyer obstrüksiyonda MRCP'nin tanısal doğruluğunu araştırmayı amaçladık. Araçlar ve Yöntem: Ocak 2012 ile Aralık 2016 arasında ekstrahepatik kolestaz ile Atatürk Üniversitesi Gastroenteroloji Bölümü’ne başvuran hastaların tıbbi kayıtları geriye dönük olarak incelendi. MRCP sonrası endoskopik retrograd kolanjiyopankreatografi (ERCP) yapılan hastalar çalışmaya dahil edildi. Hastaların demografik ve klinik özellikleri not edildi. ERCP altın standart tanı yöntemi olarak kabul edildi. MRCP'nin tanısal etkinliği, ERCP ile karşılaştırıldığında duyarlılık, özgüllük, doğruluk, negatif ve pozitif prediktif değerler hesaplanarak değerlendirildi. Bulgular: Yaş ortalaması 60.1±17.5 yıl olan 615 hasta çalışmaya dahil edildi. MRCP kullanılarak sırasıyla 337(%54.8), 101(%16.4) ve 39(%6.3) hastada koledokolitiazis, malign ve benign darlıklar teşhis edildi. 65 hastada (%10.6) normal MRCP bulguları mevcuttu. ERCP ile kesin tanılar koledokolitiazis (n=390, %63.4), malign darlık (n=152, %24.7), benign darlık (n=62, %10.1) ve normal bulgular (n=11, %1.8) olarak belirlendi. MRCP'nin sensitivite ve spesifitesi koledokolitiyazis için %70.8 ve %72.9, malign darlık için %55.9 ve %96.5, benign darlık için ise %16.1 ve %94.8 idi. Koledokolitiazis, malign ve benign darlıklar için genel doğruluk oranları sırasıyla %71.5, %86.5 ve %86.8 idi. Sonuç: MRCP'nin tanısal doğruluğu, farklı biliyer/kolestatik etiyolojiler için değişkendir. Koledokolitiaziste duyarlılığının daha düşük olması nedeniyle, özellikle biliyer obstrüksiyon için klinik bir şüphe olduğunda normal MRCP bulguları dikkatle ele alınmalıdır.
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | Yüksel B, Okcu N (2023). Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. , 32 - 40. 10.46332/aemj.1017662 |
| Chicago | Yüksel Beyza,Okcu Nihat Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. (2023): 32 - 40. 10.46332/aemj.1017662 |
| MLA | Yüksel Beyza,Okcu Nihat Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. , 2023, ss.32 - 40. 10.46332/aemj.1017662 |
| AMA | Yüksel B,Okcu N Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. . 2023; 32 - 40. 10.46332/aemj.1017662 |
| Vancouver | Yüksel B,Okcu N Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. . 2023; 32 - 40. 10.46332/aemj.1017662 |
| IEEE | Yüksel B,Okcu N "Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study." , ss.32 - 40, 2023. 10.46332/aemj.1017662 |
| ISNAD | Yüksel, Beyza - Okcu, Nihat. "Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study". (2023), 32-40. https://doi.org/10.46332/aemj.1017662 |
| APA | Yüksel B, Okcu N (2023). Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. Ahi Evran Medical Journal, 7(1), 32 - 40. 10.46332/aemj.1017662 |
| Chicago | Yüksel Beyza,Okcu Nihat Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. Ahi Evran Medical Journal 7, no.1 (2023): 32 - 40. 10.46332/aemj.1017662 |
| MLA | Yüksel Beyza,Okcu Nihat Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. Ahi Evran Medical Journal, vol.7, no.1, 2023, ss.32 - 40. 10.46332/aemj.1017662 |
| AMA | Yüksel B,Okcu N Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. Ahi Evran Medical Journal. 2023; 7(1): 32 - 40. 10.46332/aemj.1017662 |
| Vancouver | Yüksel B,Okcu N Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study. Ahi Evran Medical Journal. 2023; 7(1): 32 - 40. 10.46332/aemj.1017662 |
| IEEE | Yüksel B,Okcu N "Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study." Ahi Evran Medical Journal, 7, ss.32 - 40, 2023. 10.46332/aemj.1017662 |
| ISNAD | Yüksel, Beyza - Okcu, Nihat. "Diagnostic Accuracy of Magnetic Resonance Cholangiopancreatography in Patients with Extrahepatic Cholestasis: A Retrospective Cohort Study". Ahi Evran Medical Journal 7/1 (2023), 32-40. https://doi.org/10.46332/aemj.1017662 |
