Show FREEZE TISSUE TO STUDY TUMOR I Develop System of As- As Assisting Assisting s Surgeon Dur During ing Operations DALLAS Tex April Dy 17 17 B y The Associated Pros Pre Press mont ment of oC a system of oC freezing himan hu- hu human mart man tissue so that It may be bo e tx cx- while the tho patient In is on op the tho operating table was described here Friday at the national convention of ot the American Society of o Clinical PathologIsts Dr Herman Spitz of ot Nashville Tenn told of oC the development ot of otI this new aid to the tho surgeon For or I illustration a patient may exhibit a lump which may be b a IL tumor or tv a cancer A small part of the tissue Is cut oft off The pathologist work ing alongside alon the operating table then freezes thi bit so It can con be ci cut Into a very thin slice allI perhaps tl the thousandth of ot an on Inch places i It un- un under der the microscope and In a few seconds Is hi able ablo to Inform the aur- aur cur u goon ceon whether he Is dealing only oni with a tumor or malli ma l nan nant cancer The surgen sureen then knows how to direct his hi knife Dr Harry J 7 Croper ot of o Denver advanced the th theory that tubercle bacilli have hav three ace ages aies the th age ace f of infancy when they are l weak eak and can ha be b easily removed the th ago l ot of manhood lI when they are strong and difficult to conquer and old age when they again become more easY to subdue This discovery he said Mid will aid old science In the tho treatment of oC o tuberculosis |