Table 23-2. Investigations used in skin disorders

Test	Use	Clinical example
Skin swabs	Bacterial culture	Impetigo
Blister fluid	Electron microscopy and viral culture	Herpes simplex
Skin scrapes	Fungal culture	Tinea pedis
	Microscopy	Scabies
Nail sampling	Fungal culture	Onychomycosis
Wood’s light	Fungal fluorescence	Scalp ringworm Erythrasma
Blood tests	Serology	Streptococcal cellulitis
	Autoantibodies	Discoid lupus erythematosus
	HLA typing	Dermatitis herpetiformis
	DNA analysis	Epidermolysis bullosa
Skin biopsy	Histology	General diagnosis
	Immunohistochemistry	Cutaneous lymphoma
	Immunofluorescence	Immunobullous disease
	Culture	Mycobacteria/fungi
Patch tests	Allergic contact eczema	Hand eczema
Urine	Dipstick (glucose)	Diabetes mellitus
	Cytology (red cells)	Vasculitis
Dermatoscopy (direct microscopy of skin)	Assessment of pigmented lesions	Malignancy

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1. [...] antibody and localized the epitope on the capsid surface by immunogold electron microscopy. …Health Nova: Your Ultimate Medical Portal BACTERIAL INFECTIONS.Dermatoscopy (direct microscopy of skin) Assessment of pigmented lesions. Malignancy. antibodies, [...]

   Pingback by immunofluorescence microscopy — March 27, 2010 @ 8:41 am

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