Focal loss of mural stratification as a radiological predictor for small bowel adenocarcinoma in Crohn's disease - 03/12/23
, Victoria Assouline a, 1, Edouard Chambenois b, Marjan Djabbari a, Lionel Arrive b, Cécile Charpy c, Alain Luciani a, Iradj Sobhani a, Aymeric Becq a, Laurent Beaugerie d, Magali Svrcek e, Julien Kirchgesner dHighlights |
• | Preoperative diagnosis of Crohn's disease-associated small bowel adenocarcinoma is challenging. |
• | Our case-control study analysed the largest radiological cohort of reported Crohn's disease-associated small bowel adenocarcinoma. |
• | We identified focal loss of mural stratification as a new predicting factor on imaging. |
Abstract |
Aim |
Patients with Crohn's disease (CD) are at higher risk of small bowel adenocarcinoma (SBA). We aimed to identify radiological predictors of SBA in CD.
Methods |
We conducted a retrospective case-control study at two tertiary inflammatory bowel disease centers and identified CD patients diagnosed with SBA between 2003 and 2019. Patients were matched with up to four controls. Pre-operative imaging (magnetic resonance imaging (MRI) or computed tomography (CT)) were reviewed by three gastrointestinal radiologists.
Results |
Nineteen patients with CD-associated SBA with a mean age of 54.9 and 32 matched controls were included. Mean length of small bowel involvement was 216 (± 188) mm in the SBA group versus 156 (± 167) mm in the control group (p = 0.76). Only 11.8 % of cases had a diagnosis of SBA made preoperatively. In univariate analysis, focal loss of mural stratification (odds ratio [OR], 11; 95%CI, 2.43–49.5, p = 0.002), and wall thickening (OR, 1.32; 95%CI, 1.05–1.66, p = 0.02) were significantly associated with SBA. After adjustment, focal loss of mural stratification was the only independent risk factor (OR, 11; 95 % CI, 2.43-49.5, p = 0.002).
Conclusions |
Focal loss of mural stratification was identified as a predictor of CD-associated SBA, which should be described in imaging reports and further validated.
Il testo completo di questo articolo è disponibile in PDF.Keywords : Small bowel adenocarcinoma, Crohn's disease, Magnetic resonance enterography
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Vol 47 - N° 10
Articolo 102246- Dicembre 2023 Ritorno al numero
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