نتایج جستجو برای: erythrocytosis hematologic abnormalities
تعداد نتایج: 123597 فیلتر نتایج به سال:
The transcription of the erythropoietin (EPO) gene is tightly regulated by the hypoxia response pathway to maintain oxygen homeostasis. Elevations in serum EPO level may be reflected in an augmentation in the red cell mass, thereby causing erythrocytosis. Studies on erythrocytosis have provided insights into the function of the oxygen-sensing pathway and the critical proteins involved in the re...
Hemoglobin (Hb) Sherwood Forest is a rare high-affinity hemoglobin first described in 1977, arising from an Arg to Thr substitution at codon 104 of the beta chain. This hemoglobin variant has been identified in few individuals and has been associated with a compensatory erythrocytosis in the homozygous state. Prior scarce case reports have noted that heterozygotes for this variant are phenotypi...
Background: Post-transplant erythrocytosis (PTE) is characterized by persistent hematocrit level above 51% that develops in 10-20% of kidney recipients, mostly 2 years after kidney transplantation. PTE is self limited in 25% of the patients but can be persistent in other patients with an increased susceptibility for thrombosis. The purpose of this study was to identify the risk factors for deve...
In 2005, an activating mutation in the Janus kinase 2 (JAK2) was identified in a significant proportion of patients with myeloproliferative neoplasms, mainly polycythemia vera, essential thrombocythemia and primary myelofibrosis. Many types of mutations in the JAK-STAT pathway have been identified, the majority are related to JAK2. Currently JAK2 mutations are important in the area of diagnosis...
Anemia is a common complication in end-stage renal disease (ESRD) patients. On the other hand, idiopathic erythrocytosis is extremely rare, with only a few cases reported in the literature. We present a case of erythrocytosis that developed after initiating hemodialysis. A 68-year-old male with a history of ESRD secondary to diabetes presented with erythrocytosis that started a few months after...
Background. Idiopathic erythrocytosis is the term reserved for cases with unexplained origins of abnormally increased hemoglobin after initial investigation. Extensive molecular investigation of genes associated with oxygen sensing and erythropoietin signaling pathways, in those cases, usually involves sequencing all of their exons and it may be time consuming. Aim. To perform a strategy for mo...
BACKGROUND Paraneoplastic erythrocytosis can be brought on by ectopic erythropoietin production usually in kidney, brain, and liver tumor with increase of serum erythropoietin level. We report here a paraneoplastic erythrocytosis of colon cancer with serum erythropoietin within the normal reference, which required an immunohistologic test for erythropoietin-antibody to be diagnosed. CASE REPO...
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