METHOD FOR DETECTING BREAST CANCER USING EXPIRED GAS

摘要

PURPOSE: A method for measuring breast cancer development or progression using expired gas is provided to analyze expired gas by an electronic nose and to enhance diagnosis sensitivity and specificity. CONSTITUTION: A method for measuring breast cancer development or progression comprises: a step of analyzing collected expired gas by an electronic nose; and a step of detecting gas containing 4-methyl-1,3-benzenediamine, 3-acethyl-2,6-dimethoxypyridine, 2-acethyl-6-methoxypyridine, 2-amino-3-methylbenzoic acid, 2-aminophenylacethic acid, or trichloroethylene. The electronic nose has a mass-spectrometer. [Reference numerals] (AA) Breast cancer; (BB) Breast cancer + thyroid cancer; (CC) Stage 0 breast cancer; (DD) Normal; (EE) Under anticancer therapy