#hemepath PD1 in NLPHL. "A rose(tte) by any other name..."

#hemepath cyclin D1 positive in LP cells of NLPHL

#Hemepath PAX8 staining in B cells. It happens. 🙄

#hemepath Have a nice...whatever

#hemepath #spleen this is a CD34 stain of an entity I propose called "medusoid nodular hemangioma" of spleen. Seen a handful of these - they look like SANT, but have this finding

Hey - why is the platelet count "unreportable"? Oh, now I see -> Peripheral blood smear near edge

Some shots of hairy cell leukemia-variant, from my colleague Ants. CD103+, CD11c+; negative CD25. No BRAF. Positive TP53 mutation #hemepath

Question to #hemepath twitterverse. Do T follicular helper cells express GCET1, HGAL (GCET2), or LMO2?

Just a nice pic of rouleaux associated with plasma cell myeloma

Just a reminder to anyone who follows me. I will be retiring my Dennis P. O'Malley, MD twitter handle and will be reborn as @Hemepathguy as of June 30/July 1

Funny looking neutrophil from CMML. Kinda like Prince's symbol combined with a scorpion?

Extranodal NK/T cell lymphoma, nasal type (nasal location) UR - low mag. LL - CD56. LR - EBER

T-LGL, clonal, but not quite high enough counts to make T-LGL leukemia

Spleen - sclerosing hemangioma, WT1 stain

Plasma cell myeloma with cytoplasmic granules

3 hours into my day. Have diagnosed: T-PLL, NLPHL, adult Gaucher, FL, AML. What will the rest of the day bring? #hemepath

Just a reminder this twitter handle is going dark - please follow me at @Hemepathguy - thanks Dennis O'Malley, MD