Show Doctors Drain Brain Liquid d in Tests Pump ump Air Into Skull as ag Substitute Diseases Clearly Cleary Shown By Method B By LEONARD G. G Associated Press Press' Staff Writer Wrier SAN FRANCISCO Nov 14 Pour 14 Pour Pour- ing ng out part par of the contents of the thc skull kull and replacing It i with air is i a anew anew new ew twist twit in taking ting people apart and putting utting them together again agai Doctors can can if you Ol do dont don't t mind drain rain off a portion porton of the te liquid in which your brain f floats at cerebrospinal fluid call it and It-and and take spinal pinal they cal and i-and a alook alook look at the thc working workings of your our brain brai There might be something wrong with wih it it The Tc looking is i done by X They Tey reveal brain disease otherwise undetectable This Thi elaborate technique technique tech- tech ique has ha been ben advanced d by two doctors doc- doc tars tors ors of the University of ot California medical school school schol Dr Robert Robrt S. S Stone of f the department of and nd Dr O. O JV W. Jones Jone of the department depart depart- mont ment of surgery surgery to t to a point pint where a clear cear picture of the entire brain may bo be b obtained Substitution of air for the cerebrospinal cerebrospinal spinal pinal fluid Dr Stone explained toay today to- to t- t day ay makes clear ray X-ray photographs photograph possible The air forms a contrast contrat contratto to o the tc brain substances where the fluid luid because of oC its it similarity to the gray obscure matter tends tend to t make mae rays X-rays To remove part of the fluid the doc doc- tors ors puncture the spinal column in inthe Ithe he the lower part of the back the back the fluid lows flows around the spinal cord as a well wells wel as s the brain brain and and permit a limited portion porton of the vital liquid to run off oH Air is i then ten injected inject in the same spot rises rise to the brain and establishes an Ideal background for a picture of the interior workings working of the the pat patient nt Getting the air to t the spot where the th picture picure is i to be taken is Lv i one of the difficulties overcome by the California Call Cali Cal fornia doctors By studying the movement of air through the brain brai channel channels they know just jut how to tilt ti the patients patient's patents patent's head to 1 make the air go where they want want want It I works something some some thing on the same principle as a the theair theair air lr bubble in a carpenters carpenter's level Often Oren the type of disease or deformity de dc and its it exact location can be determined by diagnosis eliminating necessity of or this thi elaborate process Other times particularly with certain cr thin tain tin large tumors the method must mut be radically varied varie Then holes hole are arc directly pierced pierce in the te skull and air injected When the doctors have finished the brain brai gradually absorbs t the e air ar forming forming form form- for for- foring ing new fluid to t take the te place of that drained off or Indistinct X-rays X which preceded first fist use ue of this thi system in l 1918 1018 16 by Dr W. W E. E Dandy Dady of Johns John Hopkins Hopkin could assure aure only 10 per pr cent success Doctors Stone and Jones Jone have developed devel developed their technique of lying lyng the te paten patient down and rotating him hi in i various various' positions so the air ar can cn float above the fluid and ad show the te different differ differ- ent parts o of the brain permitting complete ray X-ray of the brain Dr Stone will wi explain this thi tech technique technique teh 1 and the results result of s such ch X-rays X taken in the last lat two years ears to the Radiological society of North Nort America when it meets meet in lii Atlantic City November 28 to December 3 |