Dermatology Flashcards
Alopecia with normal scalp, healthy hair density, looks like hairs snapped off
Trichotillomania
Alopecia with shiny, smooth scalp
Causes?
Alopecia areata (anata effluvium)
Autoimmune disease, chemotherapy
Alopecia with hair loss with bulb at end of hair (club hair)
Causes?
Telogen effluvium (excessive shedding)
Happens 2-6 months after event
- physical / mental stress. Body stops producing hair
Proper name for stork mark?
Naevus simplex
Red / blue / black lagoons on dermatoscopy?
Cherry angioma / angiokeratoma
Soft ovoid lesion that follows skin lines?
Neurofibroma
Consequences of overuse of topical steroids?
Atrophy
Telangiectasia
Striae
Treatment of periorifacial dermatitis?
- Discontinue all face products
- Wash face with warm water
- Gel sunscreen
- Metronidazole 0.75% bd 4-6 weeks
- Doxycycline 50-100mg daily 8 weeks
Treatment for superficial BCC?
- Excision
- Imiquimod (Aldara) 5 nights a week, 6-16 weeks
- Cryotherapy - double freeze/thaw
- Radiotherapy ( last line)
- Efudix (5FU)
Rare genetic condition with GI polyps + pigmentation affecting skin and mucous membranes
Peutz-jeghers syndrome
Small hemangioma growing looking thing. Rapidly growing?
Treatment?
Pyogenic granuloma
Destruction
Painful lump under nail plate, tender
Glomus tumour (not malignant)
4 ps of lichen planus?
Papule
Purple
Polygonal
Pruritic
Lichen planus treatment?
Self resolving 6-9 months
Steroids symptoms
Which joints affected hemochromatosis?
MCP and PIP
Topical treatment options for rosacea?
- Metronidazole 0.75% once-twice daily
- Azelaic acid 15% gel once to twice daily
6-12 weeks
Treatment for flushing not related to other causes?
Propranolol 10mg bd PrN
Painful nodule on most prominent aspect of the ear helix?
Chondrodermatitis nodularis helicis
Child with purpura, abdominal pain and joint pain?
Investigations?
Treatment?
Henoch-schonlein purpura
Urinalysis
Self-limiting, close follow up
Smelly, bubbly / pitted feet?
Pitted keratolysis
Times of the hands?
Times manuum
Nodule on hand in dairy farmer?
Milkers nodule
Parapox virus
Target lesions?
Most common cause?
Erythema multiforme
HSV infections, meds, idiopathic
Chronic condition, inflammation of sweat glands in body folds?
Hidradenitis suppurativa
