Hidden scabies: diagnosis by polymerase chain reaction

Abstract excerpt

Diagnosis of scabies infection can be difficult as in many cases only few mites are present on an infected person, and in some cases the skin manifestations can be subtle or atypical. We describe the use of polymerase chain reaction (PCR) to amplify Sarcoptes scabiei DNA in a patient presenting with clinically atypical eczema. Cutaneous scales were PCR positive for S. scabiei DNA before, and negative 2 weeks...

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