Skin Lesions Flashcards
Dermatomal
Follows a nerve paths
Ex: Shingles
“Bull’s Eye”
Lyme Disease
Intertriginous
skin touches skin
Finger/foot prints
Papillae
Melanocytes are stimulated by
Sunlight and hormones stimulate melanin production
What determines hair and skin color?
Amount of melanin produced determines skin color
PO antibiotics for TX of Cellulitis
Cephalexin (Keflex)
IV antibiotics for TX of Cellulitis
Ceftriaxone (Rocephin)
Cefazolin (Ancef)
Large areas of skin covered with persistent boils
Furunculosis
Deep staff infections around hair follicle aka a boil
Furuncle
Multiple interconnecting furuncles
Carbuncle
Usual location of carbuncle
nape of neck
Treatment of Furuncles & Carbuncle
Warm compresses Incise and drain lesion—MD not ny pt C & S Systemic antibiotics Meticulous hygiene Correct risk factors
Reactivation of latent varicella zoster virus in patients who have had chicken pox
Herpes Zoster
Virus travels from ganglia to skin of dermatome
Herpes Zoster
Verruca Vulgaris
Common warts caused by HPV
Verruca Plantaris
Plantar wart; Soles of feet
Tinea Corporis
Ringworm–>Superficial fungal infection
Annular (ringlike) with central clearing
Scaly patches, raised, red, well-defined borders
Pruritus, mild burning
Tinea Corporis
Tolnaftate (Tinactin)
Antifungal cream/ powder/spray tx athletes foot
Bed Bug Appearance
Red/brown, purple after feeding, 3-6mm long
Can go 6 mos between feeds
Detects body heat when you enter room
Bedbugs
Nocturnal feeder, Painless bite
Bedbugs
Pruritic oval, wheal (raised), red
Clusters or rows, often grouped in 3’s
Bedbug Lesion:
Scabies Tx
Permethrin (Elimite) to entire skin surface (body) for 12h
Launder in hot water
Treat all who have had contact
Spirochete infection caused by Borrelia burgdorferi
Lyme Disease
Most common vector-born disease of US
Lyme Disease
Erythema migrans- EM (Bull’s-eye rash) 2-30d after tick bite
Lyme Disease
No sweating
Anhidrosis
Hyperhidrosis
Excessive sweating
Ducts around hair follicles become blocked with infected material –> obstruction and rupture of ducts
Hidradenitis Suppurativa
Hidradenitis Suppurativa common site
groin, axilla, under breasts
Chronic, malodorous, painful, purulent boils→scaring; not due to poor hygiene
Hidradenitis Suppurativa
