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Difference between revisions of "Granuloma"
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→Microscopic
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*Small round collection of lymphocytes - without a capsule (as seen in lymph nodes). | *Small round collection of lymphocytes - without a capsule (as seen in lymph nodes). | ||
**If there are no macrophages... it's a ''lymphoid nodule''. | **If there are no macrophages... it's a ''lymphoid nodule''. | ||
====As a list==== | ====As a list==== | ||
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====DDx==== | ====DDx==== | ||
*Reactive germinal centre - especially if there are abundant surrounding lymphocytes.<ref name=Ref_GLP170>{{Ref GLP|170}}</ref> | *Reactive germinal centre - especially if there are abundant surrounding lymphocytes.<ref name=Ref_GLP170>{{Ref GLP|170}}</ref> | ||
====Images==== | |||
<gallery> | |||
Image:Granuloma_20x.jpg |Granulomas showing abundant bubbly cytoplasm. (WC) | |||
Image:Asteroid_body_intermed_mag.jpg |Granulomas with multinucleated giant cells in sarcoidosis. (WC) | |||
Image: Asteroid_body_very_high_mag.jpg | Granuloma with asteroid bodies. (WC) | |||
Image:Necrogran10x.jpg|Granuloma with necrosis. (WC) | |||
</gallery> | |||
====Histologic classification of granulomas==== | ====Histologic classification of granulomas==== | ||