Filomenamila Lorusso1, Mariabeatrice Principi2, Pasquale Pedote3, Pasquale Pignataro3, Mariantonietta Francavilla3, Angela Sardaro4, Arnaldo Scardapane5. 1. Department of Radiology, "Di Venere" Hospital of Bari, Bari, Italy. 2. Section of Gastroenterology, Department of Emergency and Organ Transplantation, University of Bari "Aldo Moro", Bari, Italy. 3. Section of Diagnostic Imaging, Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare, 11, 70123, Bari, Italy. 4. Section of Radiation Therapy, Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Bari, Italy. 5. Section of Diagnostic Imaging, Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare, 11, 70123, Bari, Italy. arnaldo.scardapane@uniba.it.
Abstract
PURPOSE: To determine the incidence and clinical relevance of extra-intestinal incidental findings (IF) in a cohort of patients with proven or suspected Crohn disease (CD) examined with magnetic resonance enterography (MR-E) in a single University Centre. METHODS: Between January 2018 and June 2019, 182 patients with proven or suspected CD with a planned first MR-E examination, were retrospectively included in this study. Incidental findings were considered as any abnormality identified in the absence of previous clinically suspected or known disease. IF were categorized as unremarkable, benign or potentially relevant findings requiring further imaging or specific treatment. RESULTS: Of the 182 revised MR-E, extra-intestinal IF were recorded in 70 cases (38.5%); 35 (50%) incidental lesions were recognized as non-significant, 24 (34%) as benign and 11 (16%) as clinically relevant. Moreover, there was a positive correlation between IF and patients' age (p < 0.0001). CONCLUSIONS: In our experience, a high number of IF (38.5%) was found, with a prevalence that increases with patients' age. Clinically relevant findings were found in 16% of MR-E. This means that MR-E is a useful tool to detect IF, therefore, the presence of a radiologist during the image acquisition is crucial in adding sequences to the examination.
PURPOSE: To determine the incidence and clinical relevance of extra-intestinal incidental findings (IF) in a cohort of patients with proven or suspected Crohn disease (CD) examined with magnetic resonance enterography (MR-E) in a single University Centre. METHODS: Between January 2018 and June 2019, 182 patients with proven or suspected CD with a planned first MR-E examination, were retrospectively included in this study. Incidental findings were considered as any abnormality identified in the absence of previous clinically suspected or known disease. IF were categorized as unremarkable, benign or potentially relevant findings requiring further imaging or specific treatment. RESULTS: Of the 182 revised MR-E, extra-intestinal IF were recorded in 70 cases (38.5%); 35 (50%) incidental lesions were recognized as non-significant, 24 (34%) as benign and 11 (16%) as clinically relevant. Moreover, there was a positive correlation between IF and patients' age (p < 0.0001). CONCLUSIONS: In our experience, a high number of IF (38.5%) was found, with a prevalence that increases with patients' age. Clinically relevant findings were found in 16% of MR-E. This means that MR-E is a useful tool to detect IF, therefore, the presence of a radiologist during the image acquisition is crucial in adding sequences to the examination.
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