title: Hemarthrosis as the presenting manifestation of myeloproliferative disease.
mesh_terms: D000368:Aged; D001772:Blood Cell Count; D001856:Bone Marrow Examination; D005260:Female; D006395:Hemarthrosis / Q000209:etiology*; D006801:Humans; D008297:Male; D009196:Myeloproliferative Disorders / Q000150:complications* / Q000175:diagnosis