Dermatology Flashcards
Cutaneous pyoderma
Thickly crusted erosions or ulcerations
Puched out lesions
Occluded footwear
Homeless and solider
Buttocks and LE
Ecthyma
Ecthyma Dx
Culture of staph aureus
Pyoderma that begins with hair follicle
Folliulculitis
Most common etiology of folliculitis
Staph aureus
Small, fragile dome shaped pustule
Superficial folliculitis
Bockhart impetigo
Deep folliculitis on beard area, coalescing
Sycosis barbae
Hot tub folliculis etiology
Pseudomonas aeruginosa
Folliculitis Dx
Clinical signs
Gram stain
Culture
Folliculitis Tx
Warm saline compress
Topical mupirocin, clindamycin
P aeuroginosa folliculitis Tx
Ciprofloxacin
Deep seated inflammatory nodule
Preceding, more superficial evolving into an abscess
Furuncle/boil
Furuncle Etiologic agent
Staph aureus
Deep seated inflm nodule
Multipel sinuses
More extensive
Deeper communicating and infiltrating lesion
Closely set furuncles
Carbuncles
Red and indurated
Multiple pustule
Yellow gray irregular crater
Permanent scar
Carbuncle
Carbuncle predisposing factors:
Obese
Blood dyscrasia
Glucocorticoids
Immunodeficiency
Inflammation of proximal nail fold or eponychium
Paronychia
Paronychia agent
Staph aureus
Paronychia Tx
ID
Mupirocin
Fusidic acid
Dicloxacillin
Well-defined but irregular reddish-brown patches occuring in intertriginous area or fissuing white maceration of toes
Males
Genitocrural area
Erythrasma
Erythrasma etiologic agent
Corynebacterium mutissimum
Erythrasma most common site
Web spaces of feet
Differentiates erythrasma and tinea
Wood’s lamp exam
Erythrasma in Wood’s lamp
Coral fluorescence
Gram + infection with toxin production
Bullous impetigo
Staph scald syndrome
Bullous form impetigo etiologic agent
Staph aureus
Nonbullous form etiology in developing countries
GABHS