Laryngeal Primary Amyloidosis: Differential Diagnosis of Localized Granulomatosis with Polyangiitis. Report of Two Cases
Journal Title: Rheumatica Acta: Open Access - Year 2017, Vol 1, Issue 1
Abstract
Primary laryngeal amyloidosis (PLA) and granulomatosis with polyangiitis (GPA) can present rarely with the isolated symptom of dyspnea and/or dysphonia, affecting exclusively the larynx. Granulomatosis with polyangiitis is one of the anti-neutrophil cytoplasmatic antibodies (ANCA) associated vasculitis. It may be limited to the airways including may be exclusively laryngeal. This localized form of GPA has a difficult diagnosis because the biopsy rarely does the diagnosis and the ANCA tests are frequently negative.
Authors and Affiliations
Pimentel Clarissa de Queiroz, Lanzarin Luciana Depiere, de Oliveira Santana Frederico Adão, Rodrigues Pereira Rosa Maria, Levy-Neto Maurício, Shinjo Samuel Katsuyuki
Keywords
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- EP ID EP543058
- DOI 10.17352/raoa.000004
- Views 54
- Downloads 0
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