An adult case of severe steroid-resistant Henoch–Schönlein purpura nephritis treated with intravenous cyclophosphamide and tonsillectomy

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• 作者：Emi Sasaki ; Maki Shibata ; Asami Kato ; Naoto Hamano ; Takashi Katsuki…
• 关键词：Henoch–Schönlein purpura (HSP) ; Nephrotic syndrome ; Intravenous cyclophosphamide therapy (IVCY) ; Cyclophosphamide (CPA) ; Prednisolone (PSL) ; Tonsillectomy
• 刊名：CEN Case Reports
• 出版年：2016
• 出版时间：November 2016
• 年：2016
• 卷：5
• 期：2
• 页码：212-218
• 全文大小：
• 刊物主题：Nephrology; Urology;
• 出版者：Springer Japan
• ISSN：2192-4449
• 卷排序：5

文摘

A previously healthy 37-year-old Canadian man living in Japan visited a hospital in Thailand while traveling because of edematous legs, purpura, arthralgia, bloody stool, and fever after an insect bite. Henoch–Schönlein purpura (HSP) was suspected. His creatinine level was 5.2 mg/dL. He was treated with oral prednisolone (PSL) and oral cyclophosphamide (CPA); after treatment, his creatinine level improved to 2.4 mg/dL. Upon returning to Japan, he was admitted to the National Center for Global Health and Medicine Hospital in Tokyo. A kidney biopsy was performed, and HSP nephritis (HSPN) was diagnosed. Renal dysfunction and proteinuria persisted despite 4 administrations of steroid-pulse therapy and 3 sessions of plasma exchange. Finally, he was treated with intravenous cyclophosphamide (IVCY). His creatinine level and proteinuria markedly improved. His microscopic hematuria disappeared after he underwent tonsillectomy. There have been only a few case reports describing patients with adult-onset HSPN necessitating IVCY. We present here a rare case of steroid-resistant HSPN treated with IVCY and tonsillectomy, with reference to some recent findings.