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AAP Grand Rounds 2:53-54 (1999) Use of Cotton Swab to Culture Tinea CapitisSource: Friedlander SF, Pickering B, Cunningham BB, et al. Use of the cotton swab method in diagnosing tinea capitis. Pediatrics. 1999;104:276279.
These authors evaluated the accuracy of a cotton swab culture technique for identifying fungal infection of the scalp and determined whether specimen transport impaired test accuracy. In the first part of the study, 50 San Diego children aged 10 months to 12 years with findings suggestive of tinea capitis were cultured using a sterile toothbrush (previously determined to be a highly sensitive culture technique) and a sterile cotton tip applicator (CTA) moistened with tap water. After rubbing at least 2 affected areas of the scalp with a diameter of at least 3 cm
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