Difference between revisions of "Small cell lymphomas"

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147 bytes added ,  02:29, 17 October 2011
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===Microscopic===
===Microscopic===
Features:
Features:
*Abundant abnormal lymphoid follicles - '''key feature''' - including some of the following:
*Abundant abnormally-shaped lymphoid follicles - '''key feature''' - including some of the following:
**Non-polarized mantle zone (normal mantle zone is usu. thicker at capsular aspect).
**Non-polarized mantle zone (normal mantle zone is usu. thicker at capsular aspect).
**Non-polarized germinal center (normal germinal center has dark & light area).
**Non-polarized germinal center (normal germinal center has dark & light area).
**Loss of tingible body macrophages.
**Loss of tingible body macrophages.
**Sinuses effaced (lost).
**Sinuses effaced (lost).
Note:
*The intrafollicular component of the lymph node is compressed - follicles are often described as "kissing", as they nearly touch.


====Grading====
====Grading====
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