What are MPNs?
Myeloproliferative neoplasms
Myeloproliferative neoplasms (MPN), formerly known as chronic myeloproliferative disorders, are a group of different chronic diseases of the blood-forming cells in the bone marrow.
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In Europe, approximately 30 million people are affected by one of the more than 6,000 known rare diseases. In Austria, there are 400,000 people who have been diagnosed with a rare disease.
Rare blood disorders explained simply
A concise overview of the causes, characteristics, and special features of these rare types of blood cancer.
Polycythaemia Vera
What is polycythaemia vera?
Polycythaemia vera (PV) is a chronic disease of the blood-producing cells in the bone marrow. It results in an overproduction of the blood cells that above all affects the red blood cells (erythrocytes).
Essential Thrombocythaemia
What is essential Thrombocythaemia?
Essential thrombocythaemia (ET) is a disease of the bone marrow, characterised by a pronounced increase of the number of platelets (thrombocytes) in the blood.
Primary myelofibrosis
What is primary myelofibrosis?
Primary myelofibrosis (PMF) is a rare, chronic disorder in which the development of fibrosis in the bone marrow interferes with blood cell production, which can lead to anaemia, bleeding, and enlargement of the spleen and liver.
Chronic myeloid leukaemia
What is Chronic myeloid leukaemia?
Chronic myeloid leukemia (CML) is a type of blood cancer that belongs to the group of myeloproliferative neoplasms.
Meetings, Webcasts and Podcasts for patients
In Europe, approximately 30 million people are affected by one of over 6,000 known rare diseases. In Austria, 400,000 people have been diagnosed with a rare disease.
Webcast, Patient Organizations
Webcast: Ask an Expert (only in German)
27.02.2026
Online
Experten beantworten Ihre Fragen zur Erkrankung Polycythaemia vera.
SAVE the DATE:
Patientensprechstunde
am 27.02.2026
von 13 bis 14:30 Uhr.
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