“…The adult experience of AHLE is variable, and, as expected, due to high case fatality, the largest series of 38 cases is limited to autopsy material [3]. Of six reported anecdotal cases with survival, three patients were treated with surgical decompression to remove a large hematoma [3,4,5,7]. One of these six patients was treated with steroids, cyclophosphamide, plasma exchange, and the remainder with plasma exchange alone.…”