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#hemepath hepatosplenic T cell lymphoma in bone marrow. IHC are CD3 and TCR delta. Note sinusoidal involvement

#hemepath IHC - CD71 in marrow. Strong staining are erythroids. Weak is AML. CD71 is transferrin receptor. All proliferating cells need iron, but erythroid need LOTS!

#hemepath CD34 IHC highlighting intravascular hematopoiesis in an MPN

#hemepath Somewhat historical image. This is a TRAP cytochemical stain in hairy cell leukemia

#hemepath a handful of "flame cells" from myeloma. These are most often IgA positive.

#hemepath examples of Dutcher bodies in plasma cell myeloma. They are composed of immunoglobulin that sits on top of nucleus (they are not true nuclear inclusions)

#hemepath Bravo to the pathologist for sampling this! Splenic artery embolization for lymphoma. This is embolization material in splenic artery!

#hemepath Splenic diffuse red pulp small B cell lymphoma. Stain is CD103 - which WHO says is "rare" but I see it occasionally

Please join us for a high yield lecture on splenic pathology "Overview of splenic pathology" by Dr Dennis O'Malley @Hemepathguy on Thursday 04/10 9am CT. Kirill Lyapichev Siba El Hussein, MD SHUYU E MD, PhD Aakash Bhatia, MD mdacc.zoom.us/j/85433035412?…

Please join our Lymphoma Unknown Conference with Dr Medeiros tomorrow 04/18/25 4pm CST. Link to preview slides: pathpresenter.net/public/present… mdacc.zoom.us/j/82528046078?…

#hemepath Anaplasmosis - case provided by my friend Jag Sidhu!

You are invited to join our MDACC Lymphoma Unknown Conference with Dr Medeiros on Friday, June 20th at 4:00pm CST. Slides are here: pathpresenter.net/public/present… Zoom link: mdacc.zoom.us/j/85162890734?…