Images in Nephrology (Section Editor: G. H. Neild) Cutaneous Mycobacterium abscessus infection after kidney transplantation

A 66-year-old man presented with a 1 month history of reddish-brown, circumscribed, infiltrative papules on the extremities (Figure 1A). The lesions devel-oped central necroses and transformed into painful abscesses (Figure 1B; posterior thigh). The patient had a history of anti-neutrophil cytoplasm antibodies-associated systemic vasculitis, presenting with severe renal disease. Combination therapy with cyclophosphamide and prednisolone had been terminated after 5 weeks due to treatment-related toxicity and development of end-stage renal disease. Subsequently, the patient had been on haemodialysis treatment for 18 months. Then, 3 months before pres-entation he had been transplanted with a cadaveric kidney. The immunosuppressive regimen consiste