Perianal Streptococcal Disease (perianal streptococcal cellulitis or dermatitis, perineal streptococcal dermatitis, perianal bacterial dermatitis)
Are You Confident of the Diagnosis? Perianal streptococcal disease (PSD) is a localized cutaneous infection caused by group A ß-hemolytic Streptococcus. Key characteristics on history and physical examination should alert the practitioner to this entity. The rash is typically very bright pink-red and often waxes and wanes in severity and is associated with localized pruritus.…
