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Abstract #3255

The Value of Dce-Mri in the Differential Diagnosis of Psoriatic Arthritis and Erosive Osteoarthritis of the Hand

Christina Schraml1, Nina F. Schwenzer1, Ina Ktter2, Jrg C. Henes2, Fritz Schick3, Claus D. Claussen1, Marius Horger1

1Department of Diagnostic and Interventional Radiology, University Hospital of Tbingen, Tbingen, BW, Germany; 2Department of Internal Medicine II, University Hospital of Tbingen, Tbingen, BW, Germany; 3Section on Experimental Radiology, University Hospital of Tbignen, Tbingen, BW, Germany

In the present 3T study, DCE-MRI was evaluated in the differential diagnosis of psoriatic arthritis (PsA) and erosive arthritis (EOA) of the hand in 26 patients. Significantly higher late enhancement was observed in EOA patients 15 minutes after contrast injection. Results suggest that analysis of synovial membrane inflammation by DCE-MRI could be useful in the differentiation of these two arthritis types which is often difficult based on clinical and laboratory findings alone. As new treatment approaches are particularly adapted for each arthritis entity DCE-MRI could provide additional diagnostic information in differentiating PsA from EOA in clinical routine.