Download Helmet Cells Burr Gif. Also seen in the left photo are a teardrop cell, 2 blister cells, a spur cell (acanthocyte), and 2 burr. Schistocytes/burr cells/helmet cells/triangle cells (microangiopathic hemolytic anemia like dic, malignant hypertension, sle, ttp, hus).
Are fragmented red cell segments that are the result of some hemolytic process.
Echinocytes (burr cells) have multiple short, blunt projections evenly spaced over the cell surface. Shiga toxin may induce autoantibody to cd36 (found on endothelial cells and platelets). Mouth or slit like pallor area, bowl shaped. Seen in dic, hus, ttp, and mechanical rbc destruction.