[A sick teenage boy with facial pustula and ulcerations].

A 15-year-old boy presented with acne and ulceration since 2 years. After treatment with antibiotics, excision and isotretinoïne, he developed progressive complaints of malaise and respiratory complaints including formation of nasal crusts. Diagnostic evaluation (CT-thorax, ANCA anti-PR3) revealed the diagnosis granulomatosis with polyangiitis (GPA).

How to stent the ureter after kidney transplantation in children?-A comparison of two methods of urinary drainage.

Ureteral stenting after pediatric renal transplantation serves to prevent obstruction and urinary leakage, but can also cause complications. This study compares the complication rates of both methods. Data were retrospectively collected at Erasmus MC, Rotterdam, the Netherlands (splint group, n = 61) and Hospital for Sick Children, Toronto, Canada (JJ catheter group, n = 50).