Pure red cell aplasia revealing nonnodal mantle cell lymphoma.

![Figure][1] A 55-year-old woman presented with a 3-month history of severe transfusion-dependent anemia. Physical examination revealed pale skin but no hepatosplenomegaly or lymphadenopathy. A complete blood count showed normocytic anemia (4.6 g/dL; mean cell volume, 90 fL) with