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排序方式: 共有111条查询结果,搜索用时 31 毫秒
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Phillip Ruppert Emily C. Edmonds Michael Brook Suzanne Musil 《The Clinical neuropsychologist》2013,27(6):1038-1052
We present a case of an individual diagnosed with hemophagocytic lymphohistiocytosis (HLH), an extremely rare and commonly fatal disorder characterized by rapid dysregulation of immune system processes. Typical age of onset is in childhood, with adult-onset occurring less frequently. The pathophysiology of this condition is characterized by a hyperinflammatory response with infiltration of visceral organs, lymph nodes, bone marrow, and the central nervous system. The clinical presentation has been documented in the extant medical literature. However, there appear to be no published reports of neuropsychological functioning in HLH patients. The patient we present here is a 28-year-old woman with 16 years of education who developed HLH subsequent to systemic lupus erythematosus flare-up. She was initially comatose for 3 weeks. Acute MRI reported multiple subcortical abnormalities, including the brainstem. The patient underwent chemotherapy, immunosuppresant, and steroid treatments. She underwent a neuropsychological evaluation at 2.5 and 7 months post initial presentation. Preliminary neuropsychological evaluation found impairments in motor abilities and aspects of executive functions. Subsequent evaluation showed improved executive function and relative sparing of higher-order cognitive abilities, but continued impairment on motor tests. To our knowledge this is the first study to report neuropsychological data for an adult diagnosed with HLH. 相似文献
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Nader Kim El-Mallawany Choladda V. Curry Carl E. Allen 《British journal of haematology》2022,196(1):31-44
Epstein–Barr virus (EBV) is a ubiquitous herpesvirus with rare but severe potential for lymphoproliferative complications. EBV is associated with a variety of presentations of haemophagocytic lymphohistiocytosis (HLH). HLH is a life-threatening hyperinflammatory syndrome that can occur in patients with genetic defects associated with dysregulation of the immune response (familial HLH) or arise in patients with underlying infection or malignancy (non-familial or secondary HLH). EBV can both serve as the incidental trigger of familial HLH or as the driving factor in patients with selective inherited vulnerability (e.g. X-linked lymphoproliferative disease). Alternatively, acute infection can idiosyncratically cause non-neoplastic HLH in patients without inherited predisposition (i.e. secondary HLH), while EBV-associated T/natural killer (NK)-cell lymphoproliferative disorders and lymphomas can cause neoplasia-associated HLH. The present review will discern between EBV-associated familial and non-familial HLH and highlight diagnostic and therapeutic considerations. Non-familial EBV-associated HLH is a major diagnostic dilemma, as it represents a diverse spectrum of disease ranging from highly curable (non-neoplastic EBV-HLH) to indolent but incurable (chronic active EBV) to acutely fatal (systemic EBV-positive T-cell lymphoma of childhood). Increased clinical awareness and understanding of this rare and potentially devastating subset of EBV-related complications is desperately needed to improve survival for patients with neoplasia-associated HLH. 相似文献
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Primary and secondary hemophagocytic lymphohistiocytosis: clinical features,pathogenesis and therapy
《Expert Review of Clinical Immunology》2013,9(1):137-154
Hemophagocytic lymphohistiocytosis (HLH) is a potentially fatal hyperinflammatory syndrome with prolonged high fever, hepatosplenomegaly and characteristic laboratory findings. HLH may be inherited (primary) or may be secondary to any severe infection, malignancy or rheumatologic condition. The last several years have witnessed an explosion in our understanding of HLH. Of the inherited causes for which the underlying genetic cause is known, most involve abnormalities of proteins important in the exocytosis cytolytic pathway, whereby perforin and granzymes are delivered to a target cell to induce apoptosis. The exact mechanisms underlying this process remain unclear. However, when a known genetic defect is not present, the diagnosis of HLH is still made on a constellation of clinical features and good clinical judgment. Rapid diagnosis is crucial, as early therapy with immunosuppressive agents and/or proapoptotic chemotherapy can be life-saving. This article examines recent advances in our understanding of the pathophysiology, clinical features, diagnosis, etiology and treatment of HLH, as well as the challenges that lie ahead. 相似文献
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《Expert Review of Clinical Immunology》2013,9(8):813-822
ABSTRACTIntroduction: Cancer-directed immunotherapies are transforming the landscape in oncology as new and exciting therapies move from the laboratory to the bedside. Chimeric antigen receptor T (CAR-T) cells are one of these novel therapies, demonstrating impressive efficacy against B-cell malignancies. With the development of new therapies, it is not uncommon to identify new and unanticipated toxicities. CAR-T cells cause unique toxicities not typically found with traditional cytotoxic chemotherapy or small molecule inhibitors.Areas covered: CAR-T cell associated toxicities include cytokine release syndrome (CRS) and CAR-T cell-related encephalopathy syndrome (CRES), alternatively known as immune effector cell-associated neurotoxicity syndrome (ICANS). Prompt identification and management of CRS and CRES are imperative for the prevention of life-threatening complications of these innovative therapies. This literature review describes the seminal trials of CD19-directed immunotherapy and the pathophysiology and management of the toxicities found with CAR-T cells. In addition, the use of the interleukin-6 receptor antibody tocilizumab for CRS is reviewed.Expert opinion: This review describes the recommended management of CRS and CRES and examines the current limitations in management. Alternative therapies for the treatment of CAR-T cell related toxicities are also explored. Furthermore, the review proposes future directions for research. 相似文献
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Hemophagocytic lymphohistiocytosis (HLH) is characterized by uncontrolled immune activation and is traditionally associated with inherited gene defects or acquired causes. In addition to abnormalities in cytotoxic granules and lysosomes, various primary immune deficiency disorders (PID) have been identified among patients suffering from HLH. Our purpose was twofold: to better characterize and detail the association between PID and HLH. 相似文献
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Dimitri Poddighe Lorenzo Cavagna Valeria Brazzelli Paola Bruni Gian Luigi Marseglia 《Autoimmunity reviews》2014,13(11):1142-1148
Juvenile dermatomyositis is an immune-mediated inflammatory multi-system disease involving mainly striated muscles and skin. Typical dermatological features are fundamental to establish the diagnosis, especially whenever the myopathy is very mild or absent, as it occurs in the form called as amyopathic juvenile dermatomyositis. Sometimes, systemic rheumatic diseases can develop a hyperferritinemia syndrome characterized by hemophagocytosis, namely macrophage activation syndrome, which represents a severe and life-threatening complication. Here, we describe a complex clinical history characterized by a hyper-ferritinemia syndrome after infectious mononucleosis, leading to recurrent episodes of macrophage activation syndrome. Finally, the late onset of several skin changes brought to a diagnosis of amyopathic juvenile dermatomyositis. 相似文献
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