[Active WHO class IV lupus nephritis in a patient treated with etanercept for a psoriasic arthritis].

Introduction: Drug-induced lupus nephritis in patients treated with TNF α inhibitor is a rare adverse effect. Anti-TNF α therapies are commonly associated with the induction of auto-antibodies, whereas anti-TNF α-induced lupus is rare, most frequently involving arthritis and cutaneous lesions. However, several renal involvement has been reported.

A "true" polymicrobial endocarditis: Candida tropicalis and Staphylococcus aureus--to a drug user. Case presentation and literature review.

Polymicrobial endocarditis is more frequent in intravenous drug user (IVDU). Combined therapy--medical and surgical--represents the standard of care, but long-term suppressive therapy duration in fungal endocarditis is still debated. The polymicrobial endocarditis is rare: 1-3%.

Aortic prosthetic endocarditis with Neisseria elongata subspecies nitroreducens.

A case of Neisseria elongata subsp. nitroreducens endocarditis with a favourable course is presented. Dental foci were involved as the infective origin.