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Fırat Tıp Dergisi
2017, Cilt 22, Sayı 3, Sayfa(lar) 118-125
[ Turkish ] [ Tam Metin ] [ PDF ]
Diffusion-Weighted MR Imaging of Acute Abdominal Pain: A Prospective Study of 720 Patients, Assessing the Diagnostic Value of Diffusion-Weighted Imaging Prior Computed Tomography Scanning
Oğuzhan ÖZDEMİR1, Yavuz METİN1, Nurgül ORHAN METİN1, Özlem BİLİR2, Özcan YAVAŞİ2, Ali KÜPELİ3
1Recep Tayyip Erdoğan Üniversitesi Tıp Fakültesi, Radyoloji Anabilim Dalı, Rize, Türkiye
2Recep Tayyip Erdoğan Üniversitesi Tıp Fakültesi, Acil Tıp Anabilim Dalı, Rize, Türkiye
3Muş Devlet Hastanesi, Radyoloji Kliniği, Muş, Türkiye

Objective: We aimed to evaluate the contribution of diffusion-weighted magnetic resonance imaging (DW-MRI) to computed tomography (CT) in patients with acute abdominal pain admitted to the emergency department.

Material and Method: Between August 2014 and November 2015, a total of 2365 patients with acute abdominal pain were admitted to the emergency department. 1680 of those underwent CT imaging. In 720 patients (mean age, 50.17; range, 16-89 years: 379 females, 341 males) DW-MRI was performed before CT scans. 960 patients who had no diffusion imaging were excluded from this study. Pregnant women, children under the age of 16 years old, most of urinary stones and all of bowel obstructions were also excluded from this study. The strategy of imaging review was as follows: 1-evaluation of DW-MRI alone, 2-evaluation of CT alone, and 3-evaluation of both modalities (DW-MRI and CT images). Images were evaluated by different radiologists with at least 5 years of experience in abdominal imaging interpretation, blind to the final diagnosis. Every reader was aware of the clinical symptoms and laboratory results of patients.

Results: The sensitivity and accuracy of combined imaging (DW-MRI and CT) was higher than CT alone for the detection of cause in acute abdominal pain. This was dramatically higher in non-enhanced CT (NECT) rather than contrast-enhanced CT (CECT) scanning.

Conclusion: DW-MRI is a noninvasive technique that may be used to improve the accuracy of CT in many cause of acute abdominal pain, especially in patients undergoing non-enhanced CT scans.


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