title: Image of the month. Portal hypertension as a result of extramedullary hematopoiesis caused by idiopathic myelofibrosis.
authors.affiliation: Department of Internal Medicine, Washington University School of Medicine, St Louis, Missouri, USA.
authors.forename: Babac
authors.initials: B
authors.lastname: Vahabzadeh
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Crippin
mesh_terms: D000368:Aged; D001706:Biopsy; D001853:Bone Marrow / Q000473:pathology; D006411:Hematopoiesis, Extramedullary; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology*; D008099:Liver / Q000473:pathology; D008297:Male; D055728:Primary Myelofibrosis / Q000150:complications* / Q000473:pathology