“…RAE occurs secondary to an underlying disease including systemic infections such as endocarditis and hepatitis, autoimmune diseases such as rheumatoid arthritis, sarcoidosis and antiphospholipid syndrome, arteriovenous shunt, end-stage renal disease, hematologic, and solid malignancies such as breast cancer, peripheral vascular diseases, and hypercoagulable conditions [1,2,[6][7][8][9]. Chen et al described a case of RAE associated with POEMS syndrome [10].…”