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Syphilitic Lymphadenitis

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Syphilitic Lymphadenitis: The involved lymph nodes show vascular proliferation in capsular and pericapsular tissues. The newly formed vessels are inflamed (phlebitis and endarteritis) and show intimal hyperplasia partially obliterating the lumen and perivascular cuffs of plasma cells and lymphocytes. Prominent vasculitis is an important diagnostic clue in secondary syphilis.

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