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(→Burkitt's lymphoma: split-out) |
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*Subtyped by etiology. | *Subtyped by etiology. | ||
== | ==Microscopic== | ||
*"Starry-sky pattern" | Features: | ||
**The ''stars'' in the pattern are: tingible- | *"Starry-sky pattern": | ||
***'' | **The ''stars'' in the pattern are: tingible-body macrophages. | ||
***''Tingible-body macrophages'' = macrophages containing apoptotic tumour cells. | |||
**The tumour cells are the sky. | |||
*Tumour cells:<ref name=pmid12610094/> | *Tumour cells:<ref name=pmid12610094/> | ||
**Medium size. | **Medium-sized (~1.5-2x the size of a RBC) with uniform size ("monotonous") -- '''key feature'''. | ||
**Round | **Round nucleus. | ||
** | **Small nucleoli. | ||
**Relatively abundant cytoplasm. | **Relatively abundant cytoplasm. | ||
**Brisk mitotic rate. | |||
Image: [http://en.wikipedia.org/wiki/File:Burkitt_lymphoma,_H%26E.jpg Starry-sky pattern - Ed Uthman ( | Image: [http://en.wikipedia.org/wiki/File:Burkitt_lymphoma,_H%26E.jpg Starry-sky pattern - Ed Uthman (WC)]. | ||
==Plasmacytoma== | ==Plasmacytoma== |
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