Dermatology Pearls 👹 Flashcards
Layers of the skin which contains MELANOCYTES and KERATINOCYTES
Epidermis
Layers of the skin contains COLLAGEN and ELASTIN
Dermis
Responsible for toughness of the skin
Collagen
Layer of the skin contains Subcutaneous tissue, mainly fat padding
Hypodermis
Layer of the skin contains blood supply
Hypodermis
Circumscribed color change WITHOUT elevation or depression
Macule / Patch
Superficial, elevated, palpable lesion
Papule
Large, flat-topped elevated palpable lesion of >0.5cm
Plaque
Like papule but containing fluid
Vesicles
Like vesicle, only with PURULENT exudate as fluid
Pustule
Palpable, solid, deeper than papule, large papule >0.5cm
Nodule
Pale, red, palpable, superficial lesion, EVANESCENT, disappearing in 1-2 days
Wheal
Depressed lesion with loss of surface epithelium
Ulcer
A mixture of SCALE and SERUM – yellowish accretions on the surface of a lesion
Crust
Non-raised red brown, non-blanchable lesion
Petechiae
Outer, waterproof, protective layer of the skin
Epidermis
Cause of extreme nocturnal itching
Scabies
Scabies cause by mites
Sarcoptes scabei
DOC of Scabies
Permethrin 5%
Caused by Strep pyogenes and Staph aureus or both
Impetigo Contagiosa
Mild itching and soreness followed by eruption of small vesicles and PUSTULES THAT RUPTURE AND CRUST
Impetigo Contagiosa
Generally develops in body folds that subject to friction
Impetigo Contagiosa
Rash appears as small, dome shaped yellow pustules with a hair shaft in the center
Folliculitis
Boils
Furunculosis
Infection of the hair follicle that results in pustule formation
Furunculosis
Large deep abscess that is a progression of a furuncle
Carbuncle
Maybe 3-10cm in size
Carbuncle
St. Anthony’s Fire
Erysipelas
Involves superficial DERMAL lymphatics
Erysipelas
Suppurative inflammation of the subcutaneous tissue
Cellulitis
History of 1-2 days of injury that result of redness, swelling, warmth and tenderness
Cellulitis
Tx of MRSA
Vancomycin
Apocrine gland obstruction
Hidradenitis Suppurativa
Desquamation of keratinocytes within the hair follicle + sebaceous gland
Acne Vulgaris
hair follicle + sebaceous gland
Pilosebaceous unit
Acne form disorder of middle-aged and older adults
Acne Rosacea
Earliest stage of Rosacea
Facial erythema
Telangiectasia
Eczema + Thrombocytopenia
Wiskott-Aldrich Syndrome
Itch that rash
Eczema
Most common skin disease in infantile
Atopic Dermatitis
PRURITUS is the hallmark of the disease
Atopic Dermatitis