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@AaronGoodman33 Typical cytomorphology is characterized by “blasts” with hand mirror (red arrow, cytoplasm to the side) or pearl necklace (green arrow, small cytoplasmic vacuoles around nucleus) appearance #bpdcn #hemepath #RareDisease #WHOHEME 1/ 
@AaronGoodman33 Skin and lymph node are most common extramedullary sites of involvement. Skin infiltrate is usually dermal with an appreciable “grenz zone” (uninvolved band b/w dermis and epidermis).. Lymph node typically has diffuse or paracortical involvement #hemepath #WHOHEME #BPDCN
@AaronGoodman33 Bone marrow involvement can be interstitial, nodular and leukemic or a-leukemic. This was an example of a leukemic case @JoeKhouryMD and I published in @BloodJournal #bloodwork bit.ly/3JUBls7 @ASH_hematology #imagebank #WHOHEME #hemepath #bpdcn 3/
