TY - CHAP M1 - Book, Section TI - Diagnostic Procedures A1 - Soutor, Carol A2 - Soutor, Carol A2 - Hordinsky, Maria K. PY - 2017 T2 - Clinical Dermatology AB - A few simple diagnostic skin procedures such as potassium hydroxide (KOH) examinations, Tzanck smears, and scrapings for scabies can be valuable tests to confirm a clinical diagnosis. However, these tests can have false-positive and false-negative results which are typically due to the following problems: SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - dermatology.mhmedical.com/content.aspx?aid=1177003928 ER -