“…The sensitivity depends on the method of detection: assay based on cells transfected with AQP4-M23 isoform were the most sensitive but is not widely available. 21 The presence of antiphospholipid antibodies is found in a high percentage (60% in our cases, 50-70% in the literature). [10][11][12][13][14] We started anticoagulant therapy in these cases, but its usefulness is controversial and is not routinely indicated.…”