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Case 196 - Discussion

Uploaded: 2011-09-22, Updated: 2011-09-22

 

Kikuchi's Lymphadenitis

  • Asian young women

  • Common location: cervical lymph node

  • Forme fruste of SLE

  • Self-limiting

  • Micro:

    • Poorly demarcated, patchy necrosis with the paracortex

    • Abundant karyorrhectic debris

    • Cresentic histiocytes, plasmacytoid monocytes, and T-cells (mostly CD8+)

    • No neutrophils or plasma cells

  • DDX: cat scratch disease neutrophilic abscess