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Toludine blue test for detection of carcinoma of the oral cavity: An evaluation
Author(s) -
Vahidy N. A.,
Zaidi S. H. M.,
Jafarey N. A.
Publication year - 1972
Publication title -
journal of surgical oncology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.201
H-Index - 111
eISSN - 1096-9098
pISSN - 0022-4790
DOI - 10.1002/jso.2930040505
Subject(s) - medicine , false positive paradox , oral cavity , carcinoma , false negative reactions , screening test , test (biology) , pathology , dentistry , pediatrics , statistics , paleontology , mathematics , biology
Topical application of toludine blue was used for the detection of oral carcinoma in 1,190 cases with oral lesions. It gave a positive result in 546 cases with 131 false positives and a negative result in 484 cases with 66 false negatives. In 160 cases, the results of the test were doubtful. The sensitivity of the test after excluding the doubtful results is 86% and specificity 76%.