Internal medicine
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A 63-year-old man with hepatitis C was treated with atezolizumab plus bevacizumab for unresectable diffuse hepatocellular carcinoma (HCC). After four cycles of atezolizumab plus bevacizumab, the diffuse HCC markedly shrank; however, he complained of general fatigue, loss of appetite, and slight loss of muscle strength in the lower legs. ⋯ After administration of hydrocortisone, the clinical symptoms rapidly disappeared. Patients with multisystem irAEs can have favorable outcomes; thus, to continue immune-checkpoint inhibitors therapy, a correct diagnosis and management of multisystem irAEs are important.
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Bing-Neel syndrome (BNS) is a rare central nervous system manifestation of lymphoplasmacytic lymphoma/Waldenström macroglobulinemia (LPL/WM). We herein report a 62-year-old man with LPL/WM after multiple chemotherapies. He had weakness of lower extremities and elevated serum IgM levels. ⋯ He was diagnosed with BNS and started on treatment with tirabrutinib 480 mg daily. Within three months, he showed clinical and radiologic improvement. Tirabrutinib may have utility as an effective treatment for BNS.
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Kawasaki disease (KD) is a systemic vasculitis syndrome that mostly affects children under 4 years old. Among the reported KD cases, only 1% were over 10 years old. ⋯ Repeated intravenous immunoglobulin therapy was effective in the 19-year-old, while plasma exchange therapy was needed for the 17-year-old, with no sequelae noted at discharge. KD should be considered as a differential diagnosis for persistent fever in adults.
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Regarding extracorporeal membrane oxygenation (ECMO) support against hemorrhagic conditions, there seems to be a dilemma when deciding between maintaining the circuit patency by systemic anticoagulation and increasing the risk of bleeding. We herein report two cases of diffuse alveolar hemorrhage (DAH) caused by myeloperoxidase (MPO) anti-neutrophil cytoplasmic autoantibody-associated vasculitis (AAV) successfully treated with venovenous (VV)-ECMO support, both initially started without systemic anticoagulation. Under anticoagulation-free ECMO management, we should consider the shortcomings of frequent circuit exchange and hemorrhagic diathesis related to circuit-induced disseminated intravascular coagulation (DIC).