Skin tests may be performed to diagnose skin allergies, bacterial or fungal skin infections, and other diseases. Skin tests are also performed to differentiate between cancerous cells and benign (non-cancerous) growths.
- patch testing
Patch tests are used to help diagnose skin allergies. Identified allergins are applied to the skin with adhesive patches and left for a period of time. The skin is then examined for any reaction.
- skin biopsy
A skin biopsy is the removal of skin for laboratory analysis. The sample of skin may be removed with a scalpel or a cylindrical punch, after local anesthesia. Skin biopsies are performed to diagnose skin cancer or benign skin disorders.
Skin, hair, or nails may be cultured to detect bacteria, fungi, or viruses.
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Online Resources of Dermatology