Determination of blood supply and foccasting of intraoperation blood lessing

Summary. The problem of the intraoperation blood lessing and effective methods to stop it is very actual in the surgical treatment of angiofibroma of scull basis. For the forecasting intraoperation blood lessing was developt the method of blood supply definition in tumors wiyh the help computer tomography image. Recommendations of prevent sizeable blood lessing while removing the angiofibrome of scull basis were exploit. Compliance of this method was confirmed in operations of removal of angiofibrome of scull basis. Computation results and practical outcome were compared correspondents reached in 80%. It gives possibility to for cast possible blood lessing in removal of tumors and use the preventive measures.