title: Severe vitamin B12 deficiency mimicking thrombotic thrombocytopenic purpura.
authors.forename: Joshua K
authors.initials: JK
authors.lastname: Routh
authors.forename: Sara C
authors.initials: SC
authors.lastname: Koenig
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011697:Purpura, Thrombotic Thrombocytopenic / Q000473:pathology*; D012720:Severity of Illness Index; D014806:Vitamin B 12 Deficiency / Q000473:pathology*