“…7,36,38,39,[41][42][43][44]65 Some also used patient's own CSF, 30,32,35,40,67 Elliott's B solution Õ (buffered intrathecal electrolyte/dextrose solution), 7,8,33,42 sterile water for injection, 4,[14][15][16]34 and lactated Ringer's solution. 30 The most commonly used volume was about 5 mL, 32,36,39,[41][42][43][44] although even up to about 20 mL has occasionally been used. 3,7,30,33 A few investigators used a mixture of different combination of methotrexate, cytarabine, thiotepa, and hydrocortisone.…”