Kächele V, Schneider-Kappus W, Bommer M
Hämato-Onkologische Praxis Ulm.
Dtsch Med Wochenschr. 2012 Aug;137(34-35):1693-6. doi: 10.1055/s-0032-1305226. Epub 2012 Aug 14.
A previously healthy 66-year-old women presented with onset of general weakness, shortness of breath and significant weight loss. Due to appearance of jaundice, biliary obstruction had been ruled out by a CAT scan previous to the patients presentation in our practice.
The laboratory tests already arranged by the patients general practitioner showed a pronounced pancytopenia with megaloblastic anemia and hyperbilirubinemia. The bone marrow aspiration revealed a hypercellular bone marrow with megaloblastic erythropoiesis. The diagnosis of pernicious anemia was confirmed by the low cobalamin (vitamin B12) serum level and the presence of atrophic gastritis.
Pernicious anemia was treated with intramuscular injection of Cyanocobalamin (1000 µg) which resulted in an immediate reticulocytosis and a widely normalized blood cell count and bilirubin level four weeks after initiation of treatment.
The differential diagnosis of megaloblastic anemia covers a wide spectrum of diseases with different etiology. This case report demonstrates an example of a pernicious anemia with atypical and foudroyant clinical course.