Case Report of 59-Year-Old Woman with Bilateral Upper Limb Musculoskeletal Amyloid, Initially Diagnosed as Rheumatoid Arthritis

Hai Binh Bui; Thi Sinh Phan; Quoc Thanh Truong; Tien Luu Doan; Thi Hai Van Hoang

doi:10.12659/AJCR.938582

27 January 2023 : Case report Vietnam

Case Report of 59-Year-Old Woman with Bilateral Upper Limb Musculoskeletal Amyloid, Initially Diagnosed as Rheumatoid Arthritis

Mistake in diagnosis, Diagnostic / therapeutic accidents

Hai Binh Bui^1ABDEF, Thi Sinh Phan^2BCDE, Quoc Thanh Truong^3CDE, Tien Luu Doan^4BCDE, Thi Hai Van Hoang^5DEF*

DOI: 10.12659/AJCR.938582

Am J Case Rep 2023; 24:e938582

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Figure 3. Histological findings from right shoulder specimen. (A, B) Hematoxylin-eosin staining: photomicrograph showing pink material deposition (green arrow), fibrous septal invasion by lymphocytes (black arrow), and increased stromal cellularity in part due to infiltrating large mononuclear cells. (C, D) Show amyloid deposition by Congo red staining: (C) red deposits as seen in un-polarizing light, and (D) typical apple-green birefringence seen under polarizing light.

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Case Report of 59-Year-Old Woman with Bilateral Upper Limb Musculoskeletal Amyloid, Initially Diagnosed as Rheumatoid Arthritis

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