Occlusive vasculopathy in human immunodeficiency virus (HIV)-associated vasculitis: unusual clinical and imaging course.
2016
Human immunodeficiency virus (HIV)-associated vasculitis is a rare secondary systemic vasculitis involving small and medium arteries. We report a 42-year-old man with uncontrolled HIV infection presenting with long-lasting abdominal pain. An abdominal CT angiography revealed multiple microaneurysms and stenoses in intrarenal arteries, with involvement of mesenteric and hepatic arteries. HIV-associated vasculitis was diagnosed and glucocorticoids and raltegravir-based antiretroviral therapy were administered with good initial clinical and virological response. Several episodes of acute intestinal ischaemia were later developed requiring bowel resections of which histological examination showed vascular occlusive fibrotic changes without active vasculitic lesions. Vasculitis persisted in remission and intrarenal microaneurysms disappeared.
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