| impetigo contagiosa bullosa | Discrete purulent skin lesions occasionally seen with streptococcal pyoderma. (05 Mar 2000) |
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| impetigo eczematodes | A later stage of vesicular eczema, in which the vesicles have become secondarily infected; the lesions become covered with purulent crusts. Synonym: impetigo eczematodes. (05 Mar 2000) |
| impetigo herpetiformis | A rare pyoderma, occurring most commonly in pregnant women in the third trimester, as an eruption of small closely aggregated pustules developing upon an inflammatory base and accompanied by severe constitutional symptoms and foetal death. (05 Mar 2000) |
| impetigo neonatorum | Dermatitis exfoliativa neonatorum, a generalised pyoderma accompanied by exfoliative dermatitis, with constitutional symptoms, affecting young infants, which may result from atopic dermatitis, Leiner's disease or staphylococcal scalded skin syndrome. Synonym: impetigo neonatorum. (05 Mar 2000) |
| impetigo vulgaris | <dermatology, microbiology> A contagious pyoderma caused by direct inoculation of group A streptococci or Staphylococcus aureus into superficial cutaneous abrasions or compromised skin. It is most commonly seen in children, usually located on the face, especially about the nose and mouth. The characteristic features are the presence of discrete fragile vesicles surrounded by an erythematous border that become pustular and rupture to discharge a thin, amber coloured seropurulent fluid that dries and forms a thick yellowish crust, the pustules may spread peripherally with central healing, evolving into annular, circinate or gyrate patterns. (18 Nov 1997) |
| follicular impetigo | <dermatology> A superficial follicular pustular eruption involving the scalp or other hairy area. Synonym: Bockhart's impetigo, superficial pustular perifolliculitis. (05 Mar 2000) |