[Gigantic prepatellar "tumor" in rheumatoid arthritis-a case report].

In soft tissue tumors of the extremities it is of utmost importance to differentiate between benign and malignant entities. The majority of the swellings vary from benign tissue changes through soft tissue sarcomas up to pseudotumors. Because of the low incidence of malignancy and the predominantly benign alterations together with a high heterogeneity, there is a need for a reproducible diagnostic and therapeutic concept for the treatment of all tumors of the extremities.

[Perioperative management in the treatment of trauma for rheumatics under immunosuppression].

With an almost 3.5% manifestation rate in Germany, rheumatoid arthritis is a relatively frequent disease. Due to the involvement of diverse locations on the skeleton and often multiple comorbidities, treatment of these patients in cases of acute trauma potentially represents a substantial risk.