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Secondary Retroperitoneal Fibrosis Due to Polyarteritis Nodosa Evaluated by F-18 FDG PET/CT

2011; Lippincott Williams & Wilkins; Volume: 36; Issue: 11 Linguagem: Inglês

10.1097/rlu.0b013e31821a29c5

1536-0229

Yoshinori Taniguchi, Yoshitaka Kumon, Toru Kagawa, Yoshio Terada,

Abdominal vascular conditions and treatments

A 38-year-old man presented with fever, low back pain, orchialgia, and weight loss for two months. He had recently begun dialysis. Laboratory studies revealed CRP 16.0 mg/dl and sCr 13.08 mg/dl. FDG PET/CT demonstrated uptake in a periaortic mass, medium sized visceral arteries, hydronephrosis. Histological examination of the mass revealed retroperitoneal fibrosis (RPF). 3D-CT angiography showed multiple aneurysms, consistent with polyarteritis nodosa (PAN). RPF secondary to PAN was clinically diagnosed. All the symptoms and abnormal laboratory and FDG PET/CT findings have disappeared after three months of glucocorticoid therapy.