https://www.selleckchem.com/products/Fulvestrant.html Immune profile assessment-particularly for SLE-and subsequent specific therapy are beneficial in patients with persisting unexplained hyperkalemic or hypokalemic paralysis, especially in case of isolated RTA. © 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.Diffuse large B-cell lymphoma often presents with extranodal manifestations involving the musculoskeletal system. Shoulder pain is particularly worrisome for malignancy. Individuals presenting with refractory upper extremity complaints should undergo a prompt and thorough evaluation for cancer, as a delay in diagnosis can result in an unfavorable outcome. © 2019 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.Clear cell sarcoma of the esophagus is very rare. The etiology of this neoplasm remains unknown. Confirmed diagnosis requires histopathology with immunochemistry and molecular study. CCS typically shows highly aggressive behavior with a high rate of local recurrence, metastases, and death from disease. © 2019 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.Ventricular noncompaction or hypertrabeculation is rare and unclassified cardiomyopathy that mostly affects the left ventricle. We report the case of biventricular hypertrabeculation in a 54-year-old woman who presented with congestive heart failure de novo associated with arrhythmia in a low-income setting. We also discussed the therapeutic challenges. © 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.This case suggests a mechanistic rationale for the clinical efficacy of intravenous immunoglobulins (IVIG) in treating CD40 ligand (CD40L) deficiency associated neutropenia as it is the first reported instance of free and cell-bound antineutrophil antibodies in a case of CD40L deficiency, accompanied by a prolonged and clinically severe neutropenia. © 2019 The Authors. Clinical Case Reports published by John