Derm Flashcards
What scoring system is most important as pathological prognostic indicator?
Breslow depth
Kobener phenomenon and most likely underlying cause
Well-defined areas of scale formation at the sites of minor skin injuries
Most common cause: psoriasis
Most common pathogen in leg cellulitis
Streptococcus pyogenes
Drug trx for urticaria
Loratadine
What is Bowen’s disease and how would it be treated topically?
Squamous cell carcinoma in situ (v early form)
Characterized by the development of slow-growing, red, scaly patches on the skin.
Mx: 5-fluorouracil (Efudix) cream
Basal cell carcinoma
1) Appearance
2) Location
3) Growth
1) Appearance: raised, pearly bumps or pinkish patches with a rolled border and small blood vessels on the surface. They may ulcerate or form a scab in the centre
2) Location: sun-exposed areas of the skin, such as the face, neck, and upper torso
3) Growth: grow slowly and may take months or years to reach a significant size
Squamous cell carcinoma
1) Appearance
2) Location
3) Growth
1) Appearance: Can appear as firm, scaly or crusted bumps or patches with a red, inflamed base. They may ulcerate and bleed.
2) Location: Often found on sun-exposed areas of the skin, such as the face, neck, hands, and arms
3) Growth: May grow more rapidly than BCCs and can invade deeper layers of the skin if left untreated
Malignant melanoma
1) Appearance
2) Location
3) Growth
1) Appearance: Various appearances but usually present as asymmetrical, irregularly shaped moles or spots with an uneven color and border. They may be black, brown, red, or multiple colors
2) Location: Anywhere
3) Growth: Can grow quickly and may appear to change in size, shape, or color rapidly
Acne mx
- Topical retinoid
- Topical abx
- Lymecycline
- Isotretinoin
Which pathogen is responsible for thin-walled blisters that then ruptured, leaving yellow crusted lesions?
Staph aureus (IMPETIGO)
Eczema herpeticum mx
PO acyclovir
Scabies features
- Intensely itchy rash
- Excoriated papules across body
- Contact w others also with rash
Scabies mx
5% permethrin
Rosacea features
rasha round nose/cheeks with pustules + red eyes w gritty feeling
Rosacea mx
Ivermectin cream