“…Pneumocephalus of spinal origin may be associated with fractures caused by spinal trauma, [12] operative injury [3,4,7,8,10] Table 1, tumors, application of H 2 O 2 , [1,2] increased intraabdominal pressure, [6] or some diagnostic and therapeutic procedures, such as a lumbar puncture. Iatrogenic pneumocephalus [1][2][3][4]7,8,10,11] are not rare during spinal operation.…”