We report a case of adenoid cystic tracheal carcinoma with cytological examination of fluid obtained by tracheal washing. The trachea was partially resected and the adenoid cystic carcinoma diagnosis confirmed. Tracheal washing is safe and enables adenoid cystic carcinoma to be diagnosed by carefully examining the tracheal washing specimen cytologically.
We analyzed the usefulness of mammaglobin, a breast-cancer-specific immunohistochemical marker, in cytological pleural effusion material. Pleural effusion was immunocytochemically stained for mammaglobin and gross cystic disease fluid protein 15 (GCDFP-15) in 60 subjects, i. e., 20 cases each of breast cancer, lung cancer, and benign. Of breast cancer case fluid, 12 cases (60%) were immunoreactive for mammaglobin and 9 (45%) for GCDFP-15. Combining the two raised breast-cancer identification sensitivity to 70%. The specificity of mammaglobin was 100% and that of GCDFP-15 95%.