Difference between revisions of "Lymphoma"

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*Large bizarre cells can occasionally mimic Reed-Sternberg cells, seen in [[Hodgkin lymphoma]].
*Large bizarre cells can occasionally mimic Reed-Sternberg cells, seen in [[Hodgkin lymphoma]].


==Intravascular large B-cell lymphoma==
==Intravascular lymphoma==
===General===
*Rare.
*Usually B-cell lineage (see below ''intravascular large B-cell lymphoma'').
**May be T-cell lineage.<ref name=pmid20337769>{{cite journal |author=Wang L, Li C, Gao T |title=Cutaneous intravascular anaplastic large cell lymphoma |journal=J Cutan Pathol |volume= |issue= |pages= |year=2010 |month=March |pmid=20337769 |doi=10.1111/j.1600-0560.2010.01538.x |url=}}</ref>
 
===Intravascular large B-cell lymphoma===
====General====
*[[AKA]] ''angiotropic lymphoma'', ''intravascular malignant lymphomatosis'', ''malignant angioendotheliomatosis''.
*[[AKA]] ''angiotropic lymphoma'', ''intravascular malignant lymphomatosis'', ''malignant angioendotheliomatosis''.


====Clinical====
=====Clinical=====
*Often a non-specific presentation.<ref name=pmid11579120>{{cite journal |author=Lapkuviene O, Forchetti D, Roepke JE |title=Unusual sites of involvement by hematologic malignancies. Case 1. Intravascular large B-cell lymphoma presenting with CNS symptoms |journal=J. Clin. Oncol. |volume=19 |issue=19 |pages=3988–91 |year=2001 |month=October |pmid=11579120 |doi= |url=http://jco.ascopubs.org/content/19/19/3988.full}}</ref>  
*Often a non-specific presentation.<ref name=pmid11579120>{{cite journal |author=Lapkuviene O, Forchetti D, Roepke JE |title=Unusual sites of involvement by hematologic malignancies. Case 1. Intravascular large B-cell lymphoma presenting with CNS symptoms |journal=J. Clin. Oncol. |volume=19 |issue=19 |pages=3988–91 |year=2001 |month=October |pmid=11579120 |doi= |url=http://jco.ascopubs.org/content/19/19/3988.full}}</ref>  
**+/-Fever.
**+/-Fever.
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**+/-Non-specific skin lesions.
**+/-Non-specific skin lesions.


===Microscopic===
====Microscopic====
Features:
Features:
*Abundant atypical intravascular lymphoid cells that are:
*Abundant atypical intravascular lymphoid cells that are:
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*[http://annonc.oxfordjournals.org/content/13/9/1503/F1.expansion.html ILBCL - various images (oxfordjournals.org)].
*[http://annonc.oxfordjournals.org/content/13/9/1503/F1.expansion.html ILBCL - various images (oxfordjournals.org)].


===IHC===
====IHC====
Features:<ref name=pmid11579120/>
Features:<ref name=pmid11579120/>
*CD20 +ve - '''key feature'''.
*CD20 +ve - '''key feature'''.