Enlargement of lymph nodes with infection
(whereas lymphadenopathy due to dancer)
Clinical
- Enlarged, tender / painful.
- mobile (not fixed)
- Inflammation in the area.

Microscopy:
- Hyperplasia of follicles.
- Sinus histiocytosis.
- Granuloma in TB.
- Abscess in bacterial / cat-scratch disease.


germinal centres with mantle zone, prominent macrophages