Resumo

CORREA LEMOS, María Eugenia; GALLO, Jesica; ORTIZ, Alberto  e  PAIRA, Sergio. IgG4 related disease, Erdheim Chester disease and aortic involvement and/or its branches. Rev. argent. reumatolg. [online]. 2023, vol.34, n.1, pp.23-36. ISSN 0327-4411.  http://dx.doi.org/10.47196/rar.v34i1.707.

Cardiovascular disease in entities such as Erdheim-Chester (ECD), a rare non-Langerhans cell histiocytosis, and IgG4-related disease (ER-IgG4), an immunemediated fibrinoinflammatory disease, is highly varied and usually asymptomatic until it progresses to irreversible damage if they are not taken into account. Given the difficulty of performing biopsies by the anatomical site, it is essential to use clinical, demographic or imaging characteristics that can differentiate them from other entities such as large vessel arteritis. Male population, over 60 years of age with involvement of the infrarenal abdominal aorta or aneurysms at the level of the ascending aorta with or without involvement of other organs, are indicative of ER-IgG4. In ECD, the concentric soft tissue covering the aorta (covered aorta) is characteristic, and especially in the presence of retroperitoneal fibrosis, involvement of long bones, hydronephrosis, post-renal acute kidney injury and arterial hypertension, the presence of perirenal fibrotic tissue, thickening of the renal fascia, perirenal adipose tissue (hairy kidney sign).

Palavras-chave : ER-IgG4; Erdheim-Chester; aortitis; cardiovascular involvement; arteritis of large vessels.

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