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Washington University Experience | MISCELLANEOUS | Rheumatoid Nodule - Pachymeningitis - Odontoid subluxation | 5B1 Rheumatoid Dz, systemic (AANP 1988, Case 6) H&E Trichrome 2 copy

5B1,2 Trichrome stains show patches of collagen (arrow, green-stained) shown at higher magnification in #5B2 (Trichrome)

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