Thursday, June 16, 2011

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Beta thalassemia - target cells


This is a slide at 50X magnification of a beta thalassemia patient. This is also a type of microcytic hypochromic  anemia as shown in the slide.
The red blood cells have a diameter smaller than that of the nucleus of the lymphocyte.
They are also bizarre shaped.
Target cells aka codocytes or mexican hat cells are predominantly seen. They are characterised by a dark centre followed by a white ring and then a second rim of dark region.

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