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12850 Pathology

50-year-old Anudatta, presents with enlarged knuckles and large subcutaneous nodules near her elbows. Her proximal interphalangeal (PIP) joints are hyperextended and her distal interphalangeal (DIP) joints are flexed. If the nodules were biopsied, which of the following would best describe their likely histological appearance?

AAmorphous crystalline mass surrounded by macrophages
BCystic space caused by myxoid degeneration of connective tissue
CDarkly pigmented synovium with an exuberant, villous growth
DFibrinoid necrosis surrounded by palisading epithelioid cells
Pathology
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