Journal of ultrasound · 2024
Sonographic detection of massive colonic pseudopolyposis in inflammatory bowel diseases.
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Mendes Sofia Silva, Lepore Federica, Hussey Mary, Cataletti Giovanni, De Silvestri Annalisa, Maconi Giovanni
Аннотация
PURPOSE: Colonic pseudopolyps are a frequent finding in inflammatory bowel disease (IBD). Yet there are no published data describing the characteristics of pseudopolyposis in intestinal ultrasound (IUS). This study aimed at identifying the key features of pseudopolyposis in IUS.
METHODS: This case-control study included 12 patients with ulcerative colitis or Crohn's colitis with extensive left colon pseudopolyposis and 18 matched IBD patients without pseudopolyps at colonoscopy. Luminal (diameters, thickening, stratification, margins, and vascularity) and intraluminal (vascular signals at color Doppler), and extraluminal (mesenteric fat) parameters of the left colon were compared. Anonymized still images and videos of these patients were blindly reviewed to estimate the accuracy in detecting this condition.
RESULTS: Among the IUS parameters assessed, the anteroposterior diameter ≥ 12 mm and the presence of luminal vascular signals were significantly correlated with pseudopolyposis. The detection of both these findings were able to detect extensive pseudopolyposis a sensitivity of 75% (CI 95%: 42.8-94.5%) and a specificity of 100% (CI 95%: 81.5-100%).
CONCLUSION: This is the first study describing the IUS features of pseudopolyposis in IBD. The potential use of IUS to assess pseudopolyposis might have an impact on IUS monitoring and surveillance of IBD patients with condition.
METHODS: This case-control study included 12 patients with ulcerative colitis or Crohn's colitis with extensive left colon pseudopolyposis and 18 matched IBD patients without pseudopolyps at colonoscopy. Luminal (diameters, thickening, stratification, margins, and vascularity) and intraluminal (vascular signals at color Doppler), and extraluminal (mesenteric fat) parameters of the left colon were compared. Anonymized still images and videos of these patients were blindly reviewed to estimate the accuracy in detecting this condition.
RESULTS: Among the IUS parameters assessed, the anteroposterior diameter ≥ 12 mm and the presence of luminal vascular signals were significantly correlated with pseudopolyposis. The detection of both these findings were able to detect extensive pseudopolyposis a sensitivity of 75% (CI 95%: 42.8-94.5%) and a specificity of 100% (CI 95%: 81.5-100%).
CONCLUSION: This is the first study describing the IUS features of pseudopolyposis in IBD. The potential use of IUS to assess pseudopolyposis might have an impact on IUS monitoring and surveillance of IBD patients with condition.