Difference between revisions of "Small cell lymphomas"

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107 bytes added ,  04:17, 12 January 2012
→‎Microscopic: flickr image
(→‎Microscopic: +bone marrow)
(→‎Microscopic: flickr image)
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*In [[bone marrow]] specimens the neoplastic cells classically have a paratrabecular arrangement,<ref name=pmid17284114>{{Cite journal  | last1 = Iancu | first1 = D. | last2 = Hao | first2 = S. | last3 = Lin | first3 = P. | last4 = Anderson | first4 = SK. | last5 = Jorgensen | first5 = JL. | last6 = McLaughlin | first6 = P. | last7 = Medeiros | first7 = LJ. | title = Follicular lymphoma in staging bone marrow specimens: correlation of histologic findings with the results of flow cytometry immunophenotypic analysis. | journal = Arch Pathol Lab Med | volume = 131 | issue = 2 | pages = 282-7 | month = Feb | year = 2007 | doi = 10.1043/1543-2165(2007)131[282:FLISBM]2.0.CO;2 | PMID = 17284114 }}</ref> i.e. the lymphoma cells are found adjacent to the bone spicules.
*In [[bone marrow]] specimens the neoplastic cells classically have a paratrabecular arrangement,<ref name=pmid17284114>{{Cite journal  | last1 = Iancu | first1 = D. | last2 = Hao | first2 = S. | last3 = Lin | first3 = P. | last4 = Anderson | first4 = SK. | last5 = Jorgensen | first5 = JL. | last6 = McLaughlin | first6 = P. | last7 = Medeiros | first7 = LJ. | title = Follicular lymphoma in staging bone marrow specimens: correlation of histologic findings with the results of flow cytometry immunophenotypic analysis. | journal = Arch Pathol Lab Med | volume = 131 | issue = 2 | pages = 282-7 | month = Feb | year = 2007 | doi = 10.1043/1543-2165(2007)131[282:FLISBM]2.0.CO;2 | PMID = 17284114 }}</ref> i.e. the lymphoma cells are found adjacent to the bone spicules.


Image:
*[http://www.flickr.com/photos/euthman/3311641845/ Follicular lymphoma - bone marrow (flickr.com)].
====Grading====
====Grading====
*Grade 1-2: <= 22 centroblasts / HPF; where 1 HPF ~= 0.2376 mm^2 (22 mm eye piece @ 40X objective).  
*Grade 1-2: <= 22 centroblasts / HPF; where 1 HPF ~= 0.2376 mm^2 (22 mm eye piece @ 40X objective).  
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