What Causes Teardrop Cells?

What Causes Teardrop Cells? Teardrop cells (dacrocytes) are frequently associated with infiltration of the bone marrow by fibrosis, granulomatous inflammation, or hematopoietic or metastatic neoplasms. They can also be seen in patients with splenic abnormalities, vitamin B12 deficiency, and some other forms of anemia. What do helmet cells mean? A fragmented red cell which arises