Background: Mortality due to immune-mediated thrombotic thrombocytopenic purpura (iTTP) remains significant. Predicting mortality risk may potentially help individualize treatment. The French Thrombotic Microangiopathy (TMA) Reference Score has not been externally validated in the United States.
View Article and Find Full Text PDFImmune-mediated thrombotic thrombocytopenic purpura (iTTP) is characterized by recurring episodes of thrombotic microangiopathy, causing ischemic organ impairment. Black patients are overrepresented in iTTP cohorts in the United States, but racial disparities in iTTP outcome and response to therapy have not been studied. Using the United States Thrombotic Microangiopathies Consortium iTTP Registry, we evaluated the impact of race on mortality and relapse-free survival (RFS) in confirmed iTTP in the United States from 1995 to 2020.
View Article and Find Full Text PDFWe report a case of a non-secretory neuroendocrine tumor which transformed into an insulin secreting tumor after treatment with Sunitinib. To our knowledge, this has only been described in three other cases worldwide. Previously reported case series find transformation of non-secretory neuroendocrine cancers into secretory lesions occurs in 3.
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