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What are we supposed to be looking at? I see multinucleated giant cells. I also see infiltrate (can’t tell if this is mononuclear or not).

methylased  Young child following URI with TCP is pretty classic ITP. Sometimes they throw in extra stuff on purpose, but I didn’t see much on the bone marrow aspirate either. +1  
mousie  I was also thinking ITP but the bone marrow image kind of threw me off too, not sure what I'm supposed to see but still think ITP is best choice ... +  
meningitis  It also almost threw me off, but then I remembered he had low platelet count and I guessed those multinucleated cells were Megakaryocytes (I looked for Megakaryocyte Bone Marrow Biopsy in google and they are the same). +1  
what  Bone marrow shows increased megakaryocytes -> ITP +  


Anyone know how to rule out small intestine on this one? I thought the omentum played a role in healing in the abdomen, but clearly I'm missing something here.

what  Small intestine has smooth muscle in the walls which will fibrose on injury +  
youssefa  So cutting through the intestine will damage the crypts of Lieberkühn which contain stem cells that replace enterocytes/goblet cells (Faid). This lack of regenerative ability will have platelets and inflammatory cells to be recruited in order to mediate healing (which end result is fibrosis) The intestinal wall lacking crypts of Lieberkühn acts pretty much like stable cells (e.g: cardiomyocytes) which cannot be regenerated and so fibrosis ensues (e.g: Scar is always end product after MI) +