Rosai-Dorfman Disease, Presenting as a Right Atrial Mass with Involvement of the Tricuspid Valve in a 54-Year-Old Woman

Sergio Magana; Ashraf Sliem; Nazanin Vaghari Mehr; Jin Zheng; Jiankun Tong; Samuel Lang; Rakesh Gupta

doi:10.12659/AJCR.942511

08 March 2024 : Case report USA

Rosai-Dorfman Disease, Presenting as a Right Atrial Mass with Involvement of the Tricuspid Valve in a 54-Year-Old Woman

Challenging differential diagnosis, Rare disease

Sergio Magana^1BDE, Ashraf Sliem^1DEF*, Nazanin Vaghari Mehr^2B, Jin Zheng^1DE, Jiankun Tong^3C, Samuel Lang^4C, Rakesh Gupta^1ABCDEF

DOI: 10.12659/AJCR.942511

Am J Case Rep 2024; 25:e942511

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Figure 3. Histopathological analysis showing aggregates of large histiocytes, with clear cytoplasm and intervening inflammatory cells that produce an alternating dark and light effects; (A) ×40 and (B) ×200. The large histiocytes have clear cytoplasm that include whole cells (emperipolesis) in the lesion of the right atrium, (C) ×400, and in the periaortic lesion, (D) ×600. Arrowheads indicate the emperipolesis.

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Rosai-Dorfman Disease, Presenting as a Right Atrial Mass with Involvement of the Tricuspid Valve in a 54-Year-Old Woman

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