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Impact of Thrombopoietin Receptor Agonists on Pathophysiology of Pediatric Immune Thrombocytopenia.
Curr Issues Mol Biol
January 2025
Children & Adolescent Hematology-Oncology Unit, Second Department of Pediatrics, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
Immune thrombocytopenia (ITP) in pediatric patients is a common cause of isolated thrombocytopenia. Various pathophysiological mechanisms are implicated in ITP pathogenesis, including the production of autoantibodies against components of platelets (PLTs) by B-cells, the activation of the complement system, phagocytosis by macrophages mediated by Fcγ receptors, the dysregulation of T cells, and reduced bone marrow megakaryopoiesis. ITP is commonly manifested with skin and mucosal bleeding, and it is a diagnosis of exclusion.
View Article and Find Full Text PDFThrombotic Thrombocytopenic Purpura presenting as a Thunderclap Headache!
Am J Med
January 2025
Division of Advanced Internal Medicine, National University Hospital, Singapore.
A 35-year-old male with a history of hypertension presented with a thunderclap headache. Laboratory tests revealed isolated mild thrombocytopenia and plain brain imaging was normal. Subsequently he developed chest pain and breathlessness, accompanied with an acute kidney injury, elevated troponins and worsening thrombocytopenia.
View Article and Find Full Text PDFPrimary splenic involvement in kaposiform lymphangiomatosis: A case report.
Int J Surg Case Rep
January 2025
University of South Carolina School of Medicine Greenville, 607 Grove Rd, Greenville, SC 29605, United States of America; Prisma Health Department of Surgery, 701 Grove Rd, 3rd floor Support Tower, Greenville, SC 29605, United States of America. Electronic address:
Introduction: Kaposiform Lymphangiomatosis (KLA) is a rare, pathologically distinct lymphatic anomaly characterized by abnormal lymphatic channel malformation and a high mortality rate. Previous studies describe primary thoracic involvement.
Presentation Of Case: A previously healthy eighteen-month-old female presented to the pediatric emergency department with sudden onset of petechiae and bruising.
Immune thrombocytopenia possibly triggered by multiple tick bites.
Rev Inst Med Trop Sao Paulo
January 2025
Hospital Militar Central, Servicio de Infectología, Bogotá, Colombia.
Immune thrombocytopenia (ITP) is an autoimmune hematological condition characterized by a markedly isolated decrease in platelets without any apparent associated clinical conditions, resulting in bleeding and bruising of the skin, mucous membranes, and major organs. It is often triggered by preceding illness or several immune stimulants such as immunizations, infections, allergic reactions, among others. While uncommon, arthropod bites can trigger acute ITP.
View Article and Find Full Text PDFBackground: When haemolytic anaemia, thrombocytopenia and renal failure are present, a thrombotic microangiopathic (TMA) condition should be suspected. We describe the various differential diagnoses of primary TMA syndromes, their clinical findings, clinical workup and treatment.
Case Presentation: A previously healthy man in his fifties was hospitalised with anaemia, thrombocytopenia, bilirubinaemia and acute renal failure.
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