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37 Cards in this Set

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  • Back
What are examples of primary skin lesions?
• macules
• papules
• nodules
• vesicles
• bullae
• pustules
• wheals
• cysts
• plaques
Which primary lesion is described as an alteration in skin color that can not be felt?
macules
Which primary lesion is described as solid lesions less than 1 cm?
papules
Which primary skin lesion is described as solid lesions larger than 1 cm?
nodules
What are the 2 primary skin fluid-filled lesions?
• Vesicles: around 0.5 cm
• Bullae: larger fluid-filled lesions
Which primary skin lesion is describe as flat-topped, palpable lesions?
wheals
Which primary skin lesions are describe as circumcribed, thick-walled lesions located deep in the skin?
cysts
List examples of secondary skin lesions
• crusts
• erosions
• excoriations
• fissures
• lichenfication
• scales
• ulcers
What are lichenifications?
• thickening of the skin with accentuation of normal skin lines
• caused by chronic irritation or inflammation
What is the most common diagnosis of children with skin problems?
• bacterial skin infection (#1)
• fungal skin infection (#2)
What is the most common pediatric skin problem and the most common bacterial skin infection?
Impetigo
What are the most common causes of impetigo?
• S. aureus (most common)
• GABHS
What are complications of impetigo?
• cellulitis
• osteomyelitis
• pneumonia
• poststreptococcal GN (from GABHS)
• septic arthritis
• septicemia
What skin infection is caused by exfoliatin toxin from staphylococci?
• Staphylococcal Scalded Skin Syndrome
• causes cleavage of skin between the epidermis and dermis
How does Tinea Vesicolor present?
• reddisk brown to hypopigmented lesions
• commonly in neck, upper chest, back, and arms (face in adolescents)
What is the treatment for Tinea Vesicolor?
• topical therapy (ex. Selenium sulfide, miconazole, clotrimazole, ketoconazole)
OR
• oral therapy with ketoconazole
Which fungal infection is a dematophyte infection of the scalp?
Tinea Capitis
How does Tinea Capitis present clinically?
• small papules at base of hair follicles to scaly circular plaques
• hairs become brittle and broken developing into alopecia
What is the treatment for Tinea Capitis?
• Griseofulvin (PO for 8-12 weeks)
• Selenium sulfide shampoo
What precautions must be taken for patient taking Griseofulvin?
can cause hepatotoxity (need to monitor LFTs)
Which fungal infection presents as a dry, mildly erythematous, elevated, scaly papule or plaque with center clearing? What is the treatment?
• Tinea Corporis (aka Ringworm)

• Tx:
- topical antifungal for 2-4 weeks
- oral griseofulvin (if severe)
Which fungal infection presents with red erythema and satellite lesions?
Candida
What is the treatment of oral thrush?
nystatin
What is the treatment for scabies?
• Permethrin 5% cream (entire body for 8-12 hours & reapply in 1 week)
• treat entire household and all caregivers
• launder all linens
Which skin infection presents as a clear umbiliicated pustule?
Molluscum Contagiosum
What is the cause of Molluscum Contagiosum?
poxvirus
Child with scaly pruritic rash in the neck, face and axilla. What is the most likely diagnosis?
atopic dematitis
What is the allergic triad?
• atopic dermatitis
• allergic rhinitis
• asthma
What is the clinical presentation of hives?
well-circumscribed, erythematous, raised skin lesions (wheals or welts)
What are causes of hives?
• contactants (ex. plants, insect, animal saliva)
• infectious agents (ex. virus, bacteria, parasites)
• ingestants (ex. food, drugs)
• injectants (ex. transfused blood, insect stings)
• physical factors (ex. cold, head, exercise)
• systemic disease
What is the treatment of urticaria?
• avoidance of trigger
• antihistamine
• corticosteroids
• epinephrine for acute severe uritcaria
• can add H2 blocker for severe cases
Which viral skin infection presents with a herald patch and christmas tree pattern over the thorax?
Pityriasis Rosea
What causes acne?
obstruction of the sebaceous follicle from overproduction of stratum corneum cell
What are the 4 phases of acne?
• comedones
• papules
• pustules
• nodulocystic lesions
What are topical treatments for acne?
• adapalene
• benzoyl peroxide
• retinoic acid
• topical antibiotics
What are systemic treatments for acne?
• antibiotics (ex. tetracycline)
• hormonal therapy (for females who antibiotics are not effective)
• isotretinoin (is teratogenic)
• intralesional injection of low-dose gluococorticoids
Which skin lesion is described as "tear drop on a rose"?
chickenpox