Adult intestinal intussusception: can abdominal MDCT distinguish an intussusception caused by a lead point
Kim, Young H.
Blake, Michael A.
Harisinghani, Mukesh G.
Hahn, Peter F.
Baker, Stephen P.
Mueller, Peter R.
UMass Chan AffiliationsDepartment of Radiology
Department of Cell Biology
Information Services, Academic Computing Services
Document TypeJournal Article
MetadataShow full item record
AbstractBACKGROUND : Aim of our study was to assess the ability of computed tomography to distinguish between an intussusception with a lead-point from one without it. METHODS : Approval was granted by the Institutional Review Board. Ninety-three consecutive patients diagnosed with an intussusception on abdominal CT were classified with or without lead-point by surgery, clinical or radiological follow-up. Two radiologists blinded to the classification independently reviewed the CT images for predefined predictive variables. RESULTS : Non-lead-point intussusception was shorter in length (mean 4.9 vs. 11.1 cm for Reader 1 (R1); mean 4.0 vs. 8.9 cm for Reader 2 (R2), respectively, P < 0.001), smaller in axial diameter (mean 3.0 vs. 4.8 cm for R1; mean 2.8 vs. 4.4 cm for R2, P < 0.001, respectively), less likely associated with obstruction (P = 0.002 R1; P = 0.039 R2) and infiltration (P < 0.001 for R1, P = 0.003 R2) than lead-point intussusception. CONCLUSIONS : Abdominal CT is helpful in distinguishing between an intussusception with a lead-point from one without a lead-point. Length, axial diameter, and their product, as well as obstruction and infiltration, all suggest the presence of a lead-point. Analysis of CT findings can reduce unnecessary imaging follow-up or operation.
SourceAbdom Imaging. 2007 Oct 9;. Link to article on publisher's site
Permanent Link to this Itemhttp://hdl.handle.net/20.500.14038/35320
Related ResourcesLink to article in PubMed