title: Solitary liver lesions in children: interobserver agreement and accuracy of MRI diagnosis.
abstract: OBJECTIVE
  The purpose of the study was to evaluate interobserver agreement (IOA) and accuracy of magnetic resonance imaging (MRI) diagnosis of pediatric solitary liver lesions (PSLLs).
  
  
  METHODS
  Fifty consecutive MRIs performed for PSLLs were reviewed to assess IOA and agreement between consensus imaging diagnosis and final diagnosis indicating accuracy using kappa statistics.
  
  
  RESULTS
  In 39/50 cases, the MRI diagnosis given by two readers matched with substantial IOA (kappa=0.7294). There was moderate agreement (kappa=0.60784) between consensus imaging diagnosis and the final diagnosis in 10 cases with available pathology.
  
  
  CONCLUSIONS
  Based on the limited available pathology and follow-up, we found that most PSLLs can be noninvasively characterized and accurately diagnosed using MRI.
authors.affiliation: Department of Diagnostic Imaging, The Hospital For Sick Children and Medical Imaging Department, University of Toronto, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada.
authors.forename: Ahmad
authors.initials: A
authors.lastname: Alqatie
authors.affiliation: Department of Diagnostic Imaging, The Hospital For Sick Children and Medical Imaging Department, University of Toronto, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada.
authors.forename: Erika
authors.initials: E
authors.lastname: Mann
authors.affiliation: Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Rahim
authors.initials: R
authors.lastname: Moineddin
authors.affiliation: Division of Gastroenterology, Hepatology and Nutrition, The Hospital For Sick Children, University of Toronto, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada.
authors.forename: Binitha M
authors.initials: BM
authors.lastname: Kamath
authors.affiliation: Department of Diagnostic Imaging, The Hospital For Sick Children and Medical Imaging Department, University of Toronto, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada. Electronic address: govind.chavhan@sickkids.ca.
authors.forename: Govind B
authors.initials: GB
authors.lastname: Chavhan
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008099:Liver / Q000473:pathology*; D008113:Liver Neoplasms / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging / Q000379:methods / Q000592:standards*; D008297:Male; D015588:Observer Variation; D015203:Reproducibility of Results; D012189:Retrospective Studies
keywords: Children; Interobserver agreement; MRI; Solitary liver lesions