Youssef Abo Elwan and Waleed Husain
Hera General Hospital, KSA
Posters & Accepted Abstracts: J Clin Case Rep
A 24 years old Saudi Patient G3 P2+0.35 weeks pregnancy was admitted as an emergency case complaining of dizziness and fatigability; she also suffered of nausea during her pregnancy. She had history of delivery of anencephaly; she was a known case of hypothyroidism. Upon admission she was pale but not jaundiced. Her Hb was 4.9 gm/dl, MCV 82.30 fl (80-101), MCH 28.80 pg (27-33), Retics 0.18% (0.2-2), her platelet count dropped from 40,000 to 27,000 /mm3 after 3 days from admission LDH 5175. Her B.P 120/80, no proteinurea, her ALT and AST was within normal. She received 3 units of packed RBCs on admission. Based on thrombocytopenia, high ESR and splenomegaly, she was through to have connective tissue disease and she received pulse methylprednisolone for 3 days, however with no response. Later on we repeated blood film and serum B12 level which showed hypersegmented neutrophil and serum B12 was very (31.9 pmol/L; N=148-616). It was clear at that time; the cause of severe thrombocytopenia was vitamin B12 deficiency. So cyanocobalamine injection started which showed within few days marked improvement in platelet count up to 260.000/mm3, Hb 11.7 g/dl, retics 10.9%, after less than 10 days from starting vit B12 injections. Patient continued her pregnancy and delivered spontaneously 2270 gm with good Apgar score. We concluded that vitamin B12 deficiency should be considered as a cause of severe thrombocytopenia although it is rare.
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