Annular Or Deep Desquamating Flashcards
Erythema marginatum cause and sx
S. pyogenes Rapidly spreading ringed eruption Sometimes with raised margins that coalesce into annular patterns Trunk and extremities Maybe proximal hands and face Fever
Erythema multiforme cause
HSV
M. pneumoniae
Coxsackievirus echovirus
Drug tx
Erythema multiforme sx
Symmetrical urticarial papules Enlarge to annular plaques Target lesions Extremities, palms, and soles Fever
Lyme disease
Borrelia burgdorferi Target lesion (annular erythema with central clearing) Feve
Tinea cause and sx
Trichophyton, microsporum, Epidermophyton
Erythematous macule that becomes papular, annular, or confluent. Scaling or gesticulated
Hair loss
Pruritic
Erythrasma cause and sx
Corynebacterium minutissimum
Brown/red well defined patches
Groin, toe webs, axillae, breast folds
Tropics, diabetes, obese
Staph scalded skin syndrome sx
Rash looks like scarlet fever then large flaccid bullae
Tender
Cellulitis cause and sx
Lots of causes. Staph and strep Diffuse spreading inflammation within solid tissues Edema, erythema Fever Usually legs
Erysipelas cause and sx
S. pyogenes Bright red edematous tender plaque May have vesicles or bullae Face and extremities Fever
Necrotizing fasciitis cause and sx
Staph and strep
Erythematous necrotic and ulcerative lesions
Subcutaneous
Clostridial cellulitis sx
Minimal discoloration
Trauma
Clostridial myonecrosis, gas gangrene sx
Yellow-bronze, dark bullae at wounds
Muscle
Kawasaki syndrome aka mucocutaneous lymph node syndrome cause and sx
Lots of viruses and bacteria (rickettsia, EBV, retroviruses, parvo, strep, staph)
Early: red palms and soles, swollen hands and feet
Late: desquamation more prominent on trunk
Fever
