Small bowel stenosis in Crohn's disease: clinical, biochemical and ultrasonographic evaluation of histological features.

Abstract

AIM To establish whether intestinal ultrasound, clinical or biochemical indices of activity can assess histological features of ileal stenosis in Crohn's disease. METHODS In 43 patients undergoing surgery for a single ileal stenosis, clinical and biochemical parameters, as well as intestinal ultrasound, were assessed prior to surgery. The echo pattern of thickened bowel segments at the site of stenosis was classified as hypoechoic, stratified or mixed (segments with/without stratification). During surgery, stenoses were identified, resected and then histologically examined using standardized criteria. RESULTS Clinical and biochemical indices of activity showed an overall weak positive correlation with histological inflammatory parameters and a negative correlation with fibrosis. The intestinal ultrasound echo pattern at the stenosis site was stratified in 25 patients, hypoechoic in 14 and mixed in four. Stenoses characterized by a stratified echo pattern showed a significantly higher degree of fibrosis, those characterized by hypoechoic echo pattern showed a higher degree of inflammation, while stenoses with a mixed echo pattern showed high degrees of both fibrosis and inflammation. CONCLUSION Ultrasound and, to a lesser degree, clinical and laboratory indices discriminate between inflammatory and fibrotic ileal stenoses complicating Crohn's disease, thus allowing appropriate medical and/or surgical treatment to be defined.

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@article{Maconi2003SmallBS, title={Small bowel stenosis in Crohn's disease: clinical, biochemical and ultrasonographic evaluation of histological features.}, author={Giovanni Maconi and Luca Carsana and Paolo Fociani and Gianluca Matteo Sampietro and Sandro Ardizzone and Mario Cristaldi and Fabrizio Raffaello Parente and Gian Luca Vago and Angelo Maria Taschieri and Gabriele Bianchi Porro}, journal={Alimentary pharmacology & therapeutics}, year={2003}, volume={18 7}, pages={749-56} }