| gptkbp:instanceOf | gptkb:disease gptkb:hematologic_disorder
 
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                                | gptkbp:affects | bone marrow 
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                                | gptkbp:alsoKnownAs | agnogenic myeloid metaplasia primary myelofibrosis
 
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                                | gptkbp:associatedWithMutation | gptkb:CALR gptkb:JAK2
 gptkb:MPL
 
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                                | gptkbp:canBePrimary | true 
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                                | gptkbp:canBeSecondaryTo | gptkb:polycythemia_vera essential thrombocythemia
 
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                                | gptkbp:cause | gptkb:anemia bleeding
 splenomegaly
 thrombosis
 gout
 infections
 thrombocytopenia
 portal hypertension
 cachexia
 extramedullary hematopoiesis
 hepatomegaly
 leukopenia
 osteosclerosis
 
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                                | gptkbp:characterizedBy | fibrosis of bone marrow 
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                                | gptkbp:complication | gptkb:acute_myeloid_leukemia 
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                                | gptkbp:diagnosedBy | bone marrow biopsy blood smear
 
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                                | gptkbp:firstDescribed | 1879 
 | 
                        
                            
                                | gptkbp:ICD-10_code | D47.4 
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                                | gptkbp:managedBy | hematologist 
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                                | gptkbp:medianAge | 65 years 
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                                | gptkbp:mortalityRate | high if untreated 
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                                | gptkbp:prevalence | rare 
 | 
                        
                            
                                | gptkbp:prognosis | variable 
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                                | gptkbp:riskFactor | male sex older age
 previous myeloproliferative neoplasm
 
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                                | gptkbp:symptom | fatigue weight loss
 night sweats
 bone pain
 abdominal discomfort
 
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                                | gptkbp:treatment | gptkb:fedratinib gptkb:ruxolitinib
 stem cell transplant
 
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                                | gptkbp:bfsParent | gptkb:Osler-Vaquez_disease 
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                                | gptkbp:bfsLayer | 5 
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                                | https://www.w3.org/2000/01/rdf-schema#label | myelofibrosis 
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