Resumo

SAGER, L et al. Old known diseases affecting the orbit: Presentation of a clinical case and review. Rev. argent. reumatolg. [online]. 2020, vol.31, n.4, pp.31-34. ISSN 0327-4411.

We present the case of a 56-year-old patient with a history of Multiple Myeloma, who evolves with periorbital inflammation of both eyelids, bilateral, yellowish-violet, ulcerated and painless. The differential diagnosis with the adult orbital xanthogranulomatous diseases was raised, especially XN due to its association with MM. When performing a biopsy of the lesion, fragmentation of dermal collagen bundles and around vessels a pale eosinophilic acellular material, positive congo red and apple-green color with polarized light are observed in the histology, reaching the diagnosis of Amyloidosis and Orbital Xantogranuloma of the Adult.

Palavras-chave : Amyloidosis; Adult Orbital Xantogranuloma; Multiple Myeloma.

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