B12 deficiency - Slide 2
A cobalamin deficiency with unmeasurable vitamin B12 and low folate due to malnutrition. Blastic cells can be observed due to the combined severe deficiencies.
Hemoglobin at presentation was
4.5 mmol/L
, MCV 115 fmol, RDW 17%
and LDH 2300 U/L
.XN Scatterplots
Peripheral blood

Blastoid





Hypersegmentation






























































































































































