METHOD FOR DIAGNOSING LARYNGOCARCINOMA DEVELOPMENT STAGE Russian patent published in 1996 - IPC

FIELD: medicine. SUBSTANCE: method involves estimating pulsating blood flow by performing rheographic examination by applying electrodes on the larynx to its right and to its left at the level of the superior thyroid cartilage row. The obtained rheographic values like rheologic index RI being not greater than 1.92, rheographic coefficient RGC = 10-11%, А_пр/F_s 20%, V_cp within the limits of 16 conditional units, dynamical coefficient DC being within the limits of 43-45% and normotonic or slightly changed form, laryngocarcinoma of the I-II stage is to be predicted. The hypertonic rheographic curve (RGC) type systolodiastolic flat, ridge near the RGC apex being observed and RI = 1.0, RGC greater than or equal to 14%, ratio А_пр/F_s 25-30% and V_cp = 8.0, T_3-4 laryngeal carcinoma stage is to be predicted. EFFECT: enhanced accuracy of diagnosis.