RT Book, Section
A1 Soutor, Carol
A2 Soutor, Carol
A2 Hordinsky, Maria K.
SR Print(0)
ID 1177003928
T1 Diagnostic Procedures
T2 Clinical Dermatology
YR 2017
FD 2017
PB McGraw-Hill Education
PP New York, NY
SN 9780071769150
LK dermatology.mhmedical.com/content.aspx?aid=1177003928
RD 2024/04/19
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: