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Table 1 Frequency of specific PET uptake patterns according to the classification system of Reinartz [11] a) Applied to inflammatory situationb) Applied to loosening localization

From: The implications of 18F-FDG PET for the diagnosis of endoprosthetic loosening and infection in hip and knee arthroplasty: Results from a prospective, blinded study

   n 1 2 3a 3b 3c 4a 4b 4c 5
a) Septic 5       1 1 1 2
  Aseptic with increased abrasion 11   1 1   3 4 2   
  Aseptic with little/no abrasion 20   5 6 1 5 3    
b) Loosened proximal component 16   1 2   4 7 1 1  
  Loosened distal component 15    3   4 2 3 1 2
  No loosened component 23   3 3 2 6 5 2 0 2