Common Viral Infections Flashcards
(24 cards)
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
What is an AIDS-defining cutaneous manifestation in co-ifnection of HSV?
Chronic herpetic ulcer > 1 month duration
What are other cutaneous findings in HIV?
Eosinophilic folliculitis
Papular pruritic eruptions of HIV
Oral hairy leukoplakia
Photosensitivity in HIV disease
What are the clinical manifestations of eosinophilic folliculitis?
Extremely pruritic
Symmetric lesions above the nipple line
What cutaneou manifestations is a marker for advanced HIV disease?
Papular pruritic eruption of HIV
What is the tx for Ppaular Pruritic Eruption of hIV?
Immune reconstitution with combination ART
What are the 2 morphologoes of Photosensitivity in HIV disease?
Photodistributed lichenoid eruption
Photodistributed eczematous eruptions
What is the tx for Oral hairy leukoplakia?
Podphyllin 25% in tincture of benzoin
What is a hallmark of Yellow fever virus?
Jaundice
What is the difference betwe Chikungunya & Dengue?
Chikungunya = arthralgia
