Difference between revisions of "Granuloma"

Jump to navigation Jump to search
Line 53: Line 53:
*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''.
====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>


====As a list====
====As a list====
Line 74: Line 66:
====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====