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Difference between revisions of "Lymph node pathology"
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→Microscopic
m (+toxo) |
m (→Microscopic) |
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Features:<ref name=Ref_ILNP113>{{Ref ILNP|113}}</ref> | Features:<ref name=Ref_ILNP113>{{Ref ILNP|113}}</ref> | ||
*Reactive germinal centers (pale areas - larger than usual). | *Reactive germinal centers (pale areas - larger than usual). | ||
**Often poorly demarcated - due to loose epithelioid cell clusters at germinal center edge - '''key feature'''. | |||
*Epithelioid cells - perifollicular & intrafollicular. | *Epithelioid cells - perifollicular & intrafollicular. | ||
**Loose aggregates of histiocytes (do not form round granulomas): | **Loose aggregates of histiocytes (do not form round granulomas): | ||