Atypical clinical presentation of a severe Tumor Necrosis Factor Receptor-associated Periodic Syndrome (TRAPS) without mutation in the TNFRSF1A gene and good response to anakinra. Case report of a ten year old girl with fever, skin edema and abdominal pain (AID-registry). Issue 1 (December 2015) - Hamsen, F; Müntjes, C; Kampmann, W; Schweiger, B; Neudorf, U; Lainka, E