Skin Table Flashcards
What is typical of psoriasis appearance?
Clearly defined red and scaly plaques
Types of psoriasis
Chronic Flexural Palmo-plantar Guttate Pustular Nail Scalp Erythrodermic
Describe pustular psoriasis
Sterile pustules
Red tender patches
Multiple yellow pustules are seen
Symptoms with pustular psoriasis
Fevers
Chills
Headaches
Rapid pules
Rx pusular psoriasis?
Admit
Emollients
Steroid creams
Systemic AB
Describe guttate psoriasis
Pink papules
Fine scale
Many of them
What can guttate psoriasis be triggered by?
Infection
May follow streptococcal infection of throat
Rx guttate psoriasis
AB for underlying infection
Coal tat
Topical steroids
What can scalp psoriasis lead to
alopecia on affected areas
which psoriasis is difficult to treat
nail
Rx scalp psoriasis
coal tar shampoos
Antifungal shampoos
Describe palmo-plantar psoriasis
Rash on soles of hands and feet
Skin appears thick and scaly and red with yellowish brown lesions on the edges
Rx for psoriasis
Emolients Soap substitutes Coal tar creams Vitamin D3 analogues Topical steroids Salicylic acid
Describe erythrodermic psoriasis
Red Man’s Syndrome
>80% body surface areas is involved
3 main types of skin cancer
Basal cell carcinoma
Squamous cell carcinoma
Melanoma
What is SCC derived from
Keratinizing squamous cells
Major features of glasgow scale skin cancer
Change in shape
Irregular borders
Irregular pigmentation
Minor features of glasgow scale for skin cancer
Change in sensation
Oozing
Size >7mm
Inflammation
What is the most aggressive of skin cancers
Melanoma
Risk factors for melanoma
Uv radiation
Fair skin
FH
ABCDE rules of skin cancer
Asymmetry Borders Colour Diameter Evolution
Appearance melanoma
Unusual looking freckle or mole
2 types of HSV
HSV-1
HSV-2
Where does HSV lie latent
Dorsal root ganglion
Rx HSV
Aciclovir
What are scabies
ectoparasites that burrow and reproduce in the skin
O/E scabies
Pimple like rash
Burrows
Does not affect scalp
Symptoms scabies
Intense, intense itching
Worse at night
Rx scabies
Cream lyclear apply all over body and leave for 12 hours
Repeat 7 days after
Who else should be considered for treatment in scabies/
All close contacts to patient
Virus that causes warts?
HSV
How are warts spread?
Direct contact
Types of warts
Tupes
Plantar
Rx warts?
Crycotherapy
Salicylic acid
Covering duct tape
Surgical removal
Which areas are commonly affected with flexural/inverse psoriasis
armpits
inner elblow
Groin
Under breast
Is metastatic BSC common
No rare
Risk factors BSC
Age M Previous SC Sun damage Fair skin Genetic
Investigations for skin cancers
Biopsy
Rx skin cancer
Excision with rim of unaffected skin
Appearance BSC
Slow growing plaque or nodule
Skin coloured, pink or pigmented
What are cutaneous metastases commonly secondary to?
Melanoma
Breast
Colon
Lung
Which type of infection usually triggers guttate psoriasis
Streptococcal infection
What are sebborrhoeic Keratoses
Benign skin lesions
What is sign of leser-trelate
Skin disorder characterised by abrupts appearance of multiple seborrheoeic keratoses
What is acne vulgaris
disease of pilo-sebacious unit
where is acne common
Face
Chest
Back
What is a comedone
Blocked follice
Open and closed comedone different
open - blackhead
closed - whitehead
When does acne peak
Adolescence
What are the two types of herpes?
HSV-1
HSV-2
Where does HSV-1 affect?
Oral
Where does HSV-2 affect?
Genitals
What is the RX for HSV?
Aciclovir
Where do Veruccas affect?
Feet
What is impetigo?
Highly contagious acute bacterial infection
What organism causes impetigo?
Staph aureus
What is the appearance of impetigo?
Pustules and honey coloured crusted erosions
Mainly affects exposed areas
Rx for impetigo
Topical antibiotics
Oral antibiotics if extensive
What are boils/furuncles caused by?
Staph aureus infection of hair follicle
What are carbuncles?
Multiple headed boils
What causes cellulitis
Bacterial infection deep into the drmis and subcutaneous tissue
Symptoms and appearance of cellulitis
Localised area of red painful swollen skin and systemic symptoms
Name for flaccid blisters that rupture easily?
Pemphigus
Name for intact epidermis blisters that are tense and intact
Pemphigoid
What is defined as atopic eczema
Chronic itchy skin in last 12 months plus 3 of following:
History of flexural involvement
History of generally dry skin
History of other atopic disease
History in 1st degree relative if under 4yrs
Symptoms of eczema
Itch Redness Flaking Cracked Sore Papules Scaling
Where does eczema usually start in babies
Face
What is cradle cap a nickname for?
Serorrhoeic dermatitis
Describe O/E of discoid eczema
Circular plaque of eczema
Individual plaques are well circumscribed
What is actinic keratosis thought to be an early form of?
SCC
Rx for acne
Retinoids/Roaccutane
Benzyl peroxide
Salicylic acid
