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SOFT-TISSUE INFECTION
SOFT-TISSUE INFECTION
โข Characterized by inflammation of skin and adjacent subcutaneous tissues. Soft tissue refers to tissues that connect, support, or surround other structures and organs: Skin, adipose tissue, fibrous tissues, fascia, tendon, ligaments.
โข Syndromes. Cellulitis, erysipelas, lymphangitis, necrotizing fasciitis, or wound infection.
โข Soft-tissue inflammation. Although often infectious, soft-tissue inflammation can be a manifestation of a noninfectious reaction pattern such as with neutrophilic dermatoses, erythema nodosum, and eosinophilic cellulitis.
โข Cellulitis. Usually begins at a portal of entry in the skin, spreading proximally as an expanding solitary lesion. Uncommonly, soft-tissue infection can follow hematogenous dissemination with multiple sites of infection. Cellulitis is most often acute, caused by S. aureus.
โข Acute inflammation. Resulting from cytokines and bacterial superantigens.
โข Chronic soft-tissue infection. Nocardiosis, sporotrichosis, and phaeohyphomycosis.