Primary myeofibrosis (PMF) is one of the Ph negative myeloproliferative neoplasms (MPN). The mainly clinical features are obviously physical symptoms and symptomatic splenomegaly. It may be converse to leukemia and has shortened life expectancy. Nowadays, the therapy of PMF is aimed at maintaining comfort and there was no effective treatments. PMF complicated with myelodysplastic syndrome (MDS), which is named as MDS/MPN-u, is a rare case, and the treatments are confused. In this study, we want to discuss an effective treatment in MDS/MPN via a case therapy and literature review.
A 55-year-old woman presented with fatigue and chest distress for one month was admitted in our hospital. Physical examinations showed anemic appearance and splenomegaly which was four fingers under lib. A routine blood count test showed pancytopenia. A bone marrow examination showed dysplasia and fibrous tissue proliferation. The JAK2/V617F mutation was positive and the expression was 60.63%. The chromosome karyotype showed 47, XX, t (1; 20) (p11.2; q11.2), +9,-13, +21. She was diagnosed as PMF complicated with MDS (MDS/MPN) according to WHO 2016 version of hematologic neoplasms classification. She received thalidomide 100mg daily therapy combined with prednisone.