Adenocarcinoma of the lung and primary cardiac lymphoma are both significant malignancies with serious health impacts. This case involves a 67-year-old woman who presented with progressive shortness of breath and fatigue. Initial computed tomography (CT) imaging identified possible cardiac and pulmonary masses, leading to her transfer to a specialized care center.
View Article and Find Full Text PDFNivolumab and ipilimumab are immunotherapy agents recommended for the treatment of metastatic melanoma. A rare adverse effect of these agents is hypercalcemia. The mechanism of immunotherapy-mediated hypercalcemia is thought to be due to ectopic calcitriol production from activated macrophages, similar to sarcoidosis.
View Article and Find Full Text PDFAcquired amegakaryocytic thrombocytopenia (AATP) is a rare disorder in which severely low platelet levels occur due to reduced or complete absence of megakaryocytes in the bone marrow. The pathophysiology of this disease is not fully understood, although anti-thyroid peroxidase antibodies (anti-TPO) binding to cellular-myeloproliferative leukemia (c-mpl) receptors is a proposed mechanism. Currently, no standard published guideline for treatment exists, but immunosuppressive therapies have been used based on the proposed mechanism and associated conditions.
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