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Patients who develop acute myeloid leukemia (AML) after having received treatment for myelodysplastic syndrome (MDS) or related conditions have particularly poor outcomes. This study analyzed adult patients with newly diagnosed AML who previously had MDS, chronic myelomonocytic leukemia (CMML), or MDS/myeloproliferative neoplasm (MPN) overlap syndrome, and who had received hypomethylating agents, chemotherapy, and/or allogeneic stem cell transplantation (HSCT) for these antecedent disorders. From January 2012 to August 2023, we included 673 patients with a median age of 70 years (range, 19-94); 536 (80%) had transformed from MDS, and the remainder from CMML or MDS-MPN.

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Myeloproliferative neoplasms (MPN) are chronic hematological disorders marked by the abnormal proliferation of bone marrow cells. The most commonly encountered forms are polycythemia vera (PV), primary myelofibrosis (PMF), and essential thrombocythemia (ET). These disorders are generally associated with increases in blood components, which can lead to conditions like splenomegaly, thrombosis, bleeding tendencies, and a heightened risk of progressing to acute leukemia.

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Background: Myeloid neoplasms encompass disorders characterized by abnormal myeloid cell proliferation and differentiation, including myelodysplastic syndromes (MDS), myeloproliferative neoplasms, acute myeloid leukemia (AML), and chronic myeloid leukemia (CML). Formin-like protein 1 (FMNL1) is involved in the regulation of the actin cytoskeleton and is predominantly expressed in hematopoietic cells. Given its role in leukemia cell proliferation, survival, migration, and invasion, this study investigates FMNL1 expression in normal hematopoiesis and myeloid neoplasms and explores associations with clinical-laboratory characteristics, mutational status, and survival outcomes in AML.

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: Myeloid neoplasms encompass a diverse group of disorders. In this study, we aimed to analyze the clinical and genomic data of patients with myeloproliferative neoplasm (MPN), myelodysplastic neoplasm (MDS), and their overlapping conditions, such as MDS/MPN and aplastic anemia (AA), to help redefine the disease classification. : Clinico-genomic data of 1585 patients diagnosed with MPN ( = 715), MDS ( = 698), MDS/MPN ( = 78), and AA ( = 94) were collected.

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Coexistence of tubulocystic renal cell carcinoma and polycythemia vera: A rare case report.

Int J Immunopathol Pharmacol

December 2024

Department of Urology and Pelvic surgery, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.

Tubulocystic Renal Cell Carcinoma (TC-RCC) and Polycythemia Vera (PV) are both infrequent medical conditions. TC-RCC was recognized as a distinct subtype of kidney cancer by the World Health Organization in 2016, while PV is a rare myeloproliferative neoplasm distinguished by the excessive production of red blood cells. The coexistence of these two conditions is exceptionally uncommon and lacks comprehensive documentation.

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