Common Viral Infections Flashcards
What aer the 2 most common viruses?
HPV & Mollosum contagiosum
What are the diff types of HPV?
Verruca vulgaris (Common warts) = common in children
Epidermodysplasia verruciformis = cutaneous squamous malignancies
What are the strains of diff HPV infections, lesionsi nvolved and sites?
Verruca vulgaris (common warts) = HPV 2,4, 27 (Hands, feety and body)
Verruca plantaris (Deep plantar warts) = HPV 1 (soles, plantar area)
Plane warts (flat warts or verruca plana) = HPV 3, 10, 28, 29 (face, arms, legs)
What is the trans of Condylomata acuminata (cauliflower lesions) in HPV?
HPV 6, 11
What are the tx for warts caused by HPV?
Electrodessication & Curettage
What are the etiologic agents of Molloscum contagiosum?
Poxvirus
MCV types 1 & 2
What is the MOT of Molloscum contagiosum?
Swimming pools
What is a characteristic feature in skin biopsy of Molloscum contagiosum?
(+) Henderson-Patterson bodies
What is the marker of knowing which strain of HSV caused the infection?
HSV1 = above umbilicus
HSV2 = below umbilicus
What is the characteristic featuer of HSV?
Tzanck smear = multinucleated giant cells
What are the TOC for HSV?
Valaciclovir
Acyclovir
What dermatologic emergency can occur in association with HSV?
Eczema herpeticum = itchy blisters & painful punchd out erosions are present
What aer the cutaneous findings of Acute HIV syndrome?
- macules & papules on upper chest & back
- non-infectious ulcers on oral, genital and anal mucosa
- morbilliform rash
Pruritus = indicates advanced HIV stage
What is the initial presenting sign of HIV?
Secondary erythroderma
Psoriasis vulgaris (may also be)
What are the most common types of Psoriasis vulgaris?
Guttate
Inverse
Erythroderma
