Medicine - Dermatology Flashcards
1
Q
How can you differentiate between SJS and TEN?
A
SJS = up to 10% skin involvement TEN (Toxic epidermal necrolysis) = \>30% skin involvement
2
Q
What is Nikolsky’s sign?
A
Epidermis separates with mild lateral pressure - secondary to adverse drug reaction
3
Q
How should SJS or TEN be managed?
A
Stop the cause
Transfer to ITU
IV Ig
Immunosuppression (eg ciclosporin and cyclophosphamide)
4
Q
Which drugs are most likely to cause SJS?
A
Never Press Skin As It Can Peel
NSAIDs
Phenytoin
Sulphonamides
Allopurinol
IV Ig
Carbemazapine
Penicillins
5
Q
What is erythroderma?
A
Any rash involving >95% of the body
6
Q
Recall 3 possible complications of erythroderma
A
Dehydration
High output heart failure
Infection
7
Q
What is the cause of adult seborrhoeic dermatitis?
A
Fungus called malassezia furfur
Humidity & sweating linked
8
Q
What 2 skin conditions can be caused by malassezia furfur?
A
Seborrhoeic dermatitis (pic below)
Pityriasis versicolor
9
Q
What are the 1st and 2nd line options for treating scalp seborrhoeic dermatitis?
A
1st line = zinc pyrithione (‘head and shoulders’)
2nd line = ketoconazole
Zinc increase copper levels, damaging sulphur clusters needed for fungi
10
Q
Which pathogen is the most common cause of impetigo?
A
Staphylococcus aureus
11
Q
What are the 3 classes of impetigo and their respective management?
A
Localised, non-bullous: topical H2O2 1% cream / topical fusidic acid
Widespread, non-bullous: oral flucloxacillin or topical fusidic acid
Widespread, bullous: oral flucloxacillin
12
Q
How long should children with impetigo be excluded from school?
A
Until lesions crusted over or 48 hours after antibiotics started
13
Q
What are the lay terms for open and closed comedones?
A
Open = blackheads Closed = whiteheads
14
Q
Recall some conservative management options for acne
A
Avoid over-cleaning face - bd with gentle soap is okay
Make up - use emollients and cleansers, non-comedonegenic preparations
Avoid picking and squeezing
15
Q
How long should each acne medication be tried for to give it chance to work?
A
8 weeks
16
Q
Recall the stepwise medical management of acne
A
Mild acne:
1st line: topical retinoid and or benzyl peroxide +/- topical clindamycin (which is never prescribed alone)
2nd line: azelaic acid 20%
Moderate (if not responding to topicals) acne:
- oral tetracycline + BPO/retinoid
OR
- oral COCP + BPO/retinoid
Dermatologist referral:
- Oral isotretinoin (roaccutane)
17
Q
Once acne has cleared, how should this be maintained?
A
Topical retonoids and azelaic acid
18
Q
What is Roaccutane?
A
Synthetic vitamin A
19
Q
What pregnancy prevention plan should be in place for Roaccutane?
A
2 forms of contraception as it is very teratogenic
20
Q
Recall some side effects of Roaccutane
A
Dry skin
Raised triglycerides
Hair-thinning
Intracranial HTN
Photosensitivity
Low mood
Suicidal ideation
DR HIPLS
21
Q
What accumulated dose should you aim for with Roaccutane?
A
Body weight in kg x 100 mg
22
Q
What is the progression of symptoms of rosacea?
A
1st = flushing 2nd = symmetrical facial rash with telangiectasia 3rd = persistent pustulopapular erythema
23
Q
How should rosacea be managed?
A
Mild-moderate = topical metronidazole Severe = oral tetracycline
Metronidazole- inhibits protein synthesis stopping growth
24
Q
What is the aetiology of hidradenitis supparativa?
A
Chronic inflammatory occlusion of folliculopilosebaceous units that obstructs the apocrine glands and prevents keratinocytes from properly shedding the follicular epithelium
25
In lay terms, what is hidradenitis supparativa?
Abscesses that form near hair follicles in places where we tend to sweat more
26
What are the 2 biggest risk factors for hidradenitis supparativa?
Smoking and obesity
27
Rarely, what inflammatory disease is associated with
hidradenitis supparativa?
Crohn's
28
How can hidradenitis supparativa be managed?
Conservative: weight loss, stop smoking, hygeine
Acutely: steroids PO, flucloxacillin, I&D
Chronically: topical clindamycin
29
What pathogen causes pityriasis versicolor?
Malassezia furfur
30
How does pityriasis versicolor appear?
Hypopigmented patches on trunk
Mild pruritis
31
How is pityriasis versicolor managed?
Topical ketoconazole
32
How does vitiligo appear?
Well demarctaed, depigmented skin patches usually affecting the peripheries
33
Recall some associations of vitiligo (don't need to know in detail)
T1DM
Addison's
Autoimmune thyroid
Pernicious anaemia
Alopecia areata
34
How can vitiligo be managed?
```
Sunblock
Topical corticosteroids (reverses changes if applied early)
```
35
What pathogen causes pityriasis rosea?
HHV-7
36
Describe the presentation of pityriasis rosea
Recent viral infection --\> herald patch
Then erythematous, oval scaly patches
37
How should pityriasis rosea be managed?
It is self-limiting (6-12w) so no need
38
Broadly describe the 4 types of psoriasis
Plaque - most common, is well-demarcated red and scaly - affects scalp, back, extensors
Guttate - following a strep infection, "tear drop" lesions
Pustular - affects palms and soles
Flexural - skin is smooth
39
Recall some factors that exacerbate psoriasis
Trauma
EtOH
Certain drugs
40
Which drugs can exacerbate psoriasis?
INFLAME
Infliximab
NSAIDs
For HTN (beta blockers)
Lithium
ACE inhibitors
Malarial drugs
EtOH
41
How should chronic plaque psoriasis be managed in primary care? (give 1st, 2nd and 3rd line)
1st line: 4w trial of OM potent corticosteroid and ON (once daily) vitamin D analogue
2nd line: after 8w (so 4w break): OM potent corticosteroid and BD (twice daily) vitamin D analogue
3rd line: 4w trial of BD potent corticosteroid OR coal tar
Use emollients as an adjunct
42
What is the maximum duration of use of topical potent and very potent steroids before a break is needed?
Potent = 8w
Very potent = 4w
43
How can chronic plaque psoriasis be managed in secondary care?
```
Phototherapy/photochemotherapy
Systemic immunosuppression (eg infliximab, etanercept, ustekinumab)
```
44
Describe the distribution of eczema in infants vs children vs young adults
Infants: face and trunk
Child: extensors
Young adult: flexures
45
Describe the different severities of eczema in terms of physical symptoms
Mild: infrequent itching, some areas of dry skin and a little redness
Moderate: frequent itching, lots of redness and some excoriation
Severe: widespread dryness, incessant itching, redness, excoriation, thickening, cracking, alteration of pigmentation
46
How should eczema be investigated?
Consider food allergy and contact dermatitis
Skin prick tests
Patch tests
47
How long should flares of eczema be treated for?
Treat ASAP and for 48 hours after resolution of symptoms
48
Recall the management of mild, moderate and severe eczema
Mild: emollients, mild potency topical corticosteroids
Moderate: emollients, moderate potency topical corticosteroids, topical calcineurin inhibitors (tacrolimus) and bandages
Severe: emollients, potent topical corticosteroids, topical calcineurin inhibitors, bandages and phototherapy
49
How should infected eczema (not herpeticum) be managed?
Skin swab and culture
Flucloxacillin PO
50
How should eczema herpeticum be managed?
Oral aciclovir
If around eyes, same day referral to ophthalmologist
Looks similar to impetigo so ALSO treat for that with oral aciclovir
51
How should topical emollients and steroids be applied
Emollients applied liberally
Wait 30 mins
then apply steroids
52
Recall 2 examples of topical calcineurin inhibitors that can be used to manage eczema
Mild-moderate - pimecrolimus
Moderate - severe - tacrolimus
53
Recall some points for PACES counselling for eczema
Explain diagosis (dry, itchy skin)
Explain epidemiology (very common, many grow out of it)
Explain management
Encourage frequent, liberal use of emollients and use of emollients as a soap substitute
Advise avoidance of triggers
Avoid scratching if poss (eg mittens for infants)
Safety ned about signs of infection
Info: itchysneezywheezy.co.uk shows how to apply emollients
54
What type of pathogen causes tinea?
Dermatophyte fungi
55
What pathogen causes tinea?
Trichophytum rubrum
56
How should scabies be managed?
Permethrin - full body treatment that you wash off after 8-12 hours - treat all household/close contacts
57
How should headlice be managed?
Malathion
58
How should tinea be managed?
Mild --\> topical antifungals (terbinafine)
Mod--\> hydrocortisone 1%
Severe--\> oral antifungals (eg terbinafine)
If tinea capitis --\> oral antifungal
59
How long should children with tinea be excluded from school?
No need
60
Recall 2 risk factors for shingles
Increasing age
Immunosuppression
61
Describe the symptoms of shingles
Prodromal burning pain over the affected dermatome for 2-3 days +/- fever, headache, lethargy
Rash begins erythematous, macular --\> vesicular
62
For how long is shingles infectious?
Until vesicles have crusted over (about 5-7 days)
63
How should shingles be managed?
PO aciclovir if \<72 hours from symptom onset and \>50y/in lots of pain/ immunocompromised
Analgesia: paracetamol/ NSAIDs --\>amitriptyline
Emergency referral if serious complications suspected
64
Recall 3 possible complications of shingles
Post-herpetic neuralgia
Herpes zoster ophthalmicus (affects ocular division of CNV)
Herpes zoster oticus (Ramsay Hunt syndrome)
65
What are the 2 pre-malignant conditions for squamous cell carcinoma known as?
Actinic keratoses and keratocanthomas
66
Where do actinic keratoses appear?
sun-exposed areas
67
How can actinic keratoses be managed medically?
Fluorouracil + topical hydrocortisone
Topical diclofenac/imiquimod
68
What are some surgical options for managing actinic keratoses?
Cryotherapy
Curettage and cautery
69
What is a keratocanthoma?
Pre-malignant skin condition (for SCC) with rapid growth (around 1 week)
70
How should keratocanthomas be managed?
Excision
71
What is the causative organism in fungal nail infections 90% of the time?
Trichophytum rubrum (dermatophyte)
72
How can fungal nail infections be investigated?
Nail clipping MC&S
73
How should fungal nail infections be managed?
Must first confirm infection by MC&S in order to commence treatment
- Can do nothing (if pt not bothered)
- Can do PO terbinafine (2nd line itraconazole)
- finger = 6w-3m
- toe = 3-6m
- If candida infection --\> topical antifungals
74
How does lichen planus appear?
Rash is:
Purple
Pruritic
Papular
Polyglonal
Also can get thin, white lines in the mouth
75
Where does lichen planus tend to affect?
Flexor surfaces
76
Recall some causes of lichen planus
Gold
Thiazides
Quinine
77
How should lichen planus be managed?
Topical steroids
78
How does lichen sclerosus appear?
Itchy white spots typically on the vulva of elderly womenn
79
How should lichen sclerosus be managed?
1st: clobetasol proprionate ointment
2nd: tacrolimus and biopsy
80
Which 2 pathogens are most likely to cause cellulitis?
Strep pyogenes
Staph aureus
81
What classification system is used for cellulitis?
Eron classification
82
How should cellulitis be managed?
Mild/mod: flucloxacillin
Severe: co-amox
83
Describe the 4 severities of cellulitis under the Eron classification
I - no signs of systemic toxicity, person has no uncontrolled comorbidities
II - systemically unwell OR systemically well with an uncontrolled comorbidity
III - significant systemic upset such as acute confusion, tachycardia/tachypnoea, hypotension, unstable comorbidity
IV - sepsis/ necrotising fasciitis
84
What is the cause of erysipelas?
Strep pyogenes
85
How should erysipelas be managed?
PO flucloxacillin
86
What is the cause of erythrasma?
corynebacterium minitissimu
87
How can erythrasma be investigated?
Wood's slit lamp --\> coral-red fluorescence
88
How should erythrasma be managed
Topical miconazole
89
Recall some causes of pyoderma gangrenosum
IBD
Connective tissue disorders
Myeloproliferative disorders
90
Describe the classical natural history of pyoderma gangrenosum
Small red papule --\> later deep, red, necrotic ulcers with a violaceous border
91
How should pyoderma gangrenosum be managed?
PO steroids
92
In what patient population is necrobiosus lipoidica diabeticorum seen and how does it appear?
Diabetics
Shiny, painless area of yellow/red skin on shins
93
What are antibodies directed against in bullous pemphigoid?
Basement membrane (dermo-epidermal junction)
94
How can bullous pemphigoid be managed?
Oral corticosteroids
95
How can bullous pemphigoid and pemphigus vulgaris be differentiated?
Bullous pemphigoid = tense blisters with no oral involvement
Pemphigus vulgaris = flaccid blisters with oral involvement
96
What are antibodies directed against in pemphigus vulgaris?
Desmosomes
97
What is this?
(Source: Derm Net NZ)
Guttate psoriasis
98
What is this?
(source: Derm Net NZ)
Pityriasis versicolor
99
What is this?
(source: Derm net NZ)
Impetigo
100
What is this?
(source NHS)
Hidradenitis supparativa
101
What is this?
(source: Derm Net NZ)
Vitiligo
102
What is this?
(source: Derm Net NZ)
Pityriasis rosea
103
What is this?
(source: NHS)
Plaque psoriasis
104
What is this?
Guttate psoriasis
105
What is this?
(Source: Derm Net NZ)
Pustular psoriasis
106
What is this?
(Source: Derm Net NZ)
Flexural psoriasis
107
What is this?
(Source: Derm Net NZ)
Tinea corporis
108
What is this?
(Source: Derm Net NZ)
Scabies
109
What is this?
(Source: Derm Net NZ)
Actinic keratosis
110
What is this?
(Source: Derm Net NZ)
Keratocanthoma
111
What is this?
(Source: Derm Net NZ)
Lichen planus
112
What is this?
(Source: Derm Net NZ)
Erysipelas
113
What is this?
(Source: Derm Net NZ)
Erysipelas
114
What is the recommended margin for excision of a malignant melanoma?
When the breslow thickness is known = 2mm
115
Recall 3 causes of Koebner's phenomena
Vitiligo
Psoriasis
Lichen planus
116
Which type of skin lesion commonly appears in response to traume eg an insect bite?
Dermatofibroma
117
What type of infection is:
1. Guttate psoriasis
2. Pitryasis rosea
proceeded form
1. bacterial
2. viral
118
What is wickhams striae?
rash often polygonal in shape, with a 'white-lines' pattern on the surface
a sign of lichen planus
119
Main signs of lichen planus
planus: purple, pruritic, papular, polygonal rash on flexor surfaces. Wickham's striae over surface. Oral involvement common
120
What formula is required to calculate the volume of IV fluid required for resus over the first 24 hrs post burn
parkland formula
121
How is hyperhidrosis managed?
topical aluminium chloride (roll on) at nighttime - SE skin irritation
Botulinum for axillary
endoscopic transthoracic sympathectomy - compensatory sweating
122
what is this
bullous pemphigoid
ig3 and c3 at dermoepidermal junction
oral corticosteroids
123
Adverse affects of psoralen + PUVA therapy
skin ageing, squamous cell cancer
| mutagenic affect on keratinocytes
124
What is this?
SCC of the skin
sunlight, acintic keratoses, bowens, immunosuppression, smoking, marjolins ulcer
surgical excision
MOhs in high risk patients
125
What is this?
Malignant melanoma
superficial spreading = most common, young
nodular = most aggressive, old, bleeds
126
What is this?
seborrhoeic keratoses - basal cell papilloma
benign
can remove: curettage, cryosurgery & shave biopsy
127
What skin condition is associated with inflammatory disease?
pyoderma gangrenosum - insect like bite growing
lower legs
rheum, haem, pbc, granulomatosis with polyangitis
oral steroids, immunosuppression
128
Management of venous ulceration
compression bandagin
oral pentoxxifylline
129
Causes of erythema nodosum
infection e.g. strep, tb, brucellosis
systemic disease e.g sarcoid, ibd
malignancy
drugs e.g. penicillins, sulphonamides, cocp
pregnancy
130
Pigmentation of nail bed affecting proximal nail fold
Acral lentigninous melanoma
hutchinsons sign
| arises in areas not associated with sun exposure
131
What is this?
erythema multiforme
infections
target lesions
HSV can lead to this rash other bacteria and drugs, connective tissue
132
What are the 4 D's of pellagra
diarrhoea
dermatitis
dementia
death
| think tb izonazid therapy
133
What is this?
lipoma
smooth, mobile, painless
if more than 5cm uss to rule out liposarcoma
134
% of body covered in burns required for IV fluids
10% children
15% adults
135
Benefit of using anti-virals for shingles
within 72 hrs
reduce incidence of post-herpetic neuralgia
136
What is leukoplakia
premalignant presents as white, hard spots on mucous membranes of mouth - common in smokers
137
Investigation of choice for allergic contact dermatitis
patch testing
138
What are side effects of ketoconazole
gynecomastia - supresses androgens
hepatotoxicity
139
severe papule rosacea treatment
topical ivermectin + oral doxycycline
140
Eczema herpaticum virus
Hsv type 1
141
causes of acanthosis nigricans
diabetes
gi cancer
obesity
pcos
acromegaly
cushings
hypothyroid
familial
prader willi
cocp, nicotinic acid
| insuline resistance stimulates keratinocytes
142
urticaria first line
non sedating antihistamines
prednisolone if severe
143
Associated conditions with seborrhoeic dermatitis
HIV
parkinsons
scalp, periorbital, auricular and nasolabial folds regions
Otitis externa and blepharitis
144
First line for rosacea
topical brimonidine gel - predominant flushing but limited telangiectasia
145
sign of zinc deficiency
acrodermatitis red crusted lesions
alopecia
short
hypogonadism
hepatosplenomegaly
geophagia - eating clay
146
First line for candida infection
oral itraconazole
147
acne vulgaris in pregnancy
oral erthryomycin
148
what is livedo reticularis
discolouration of skin resulting from reduced bloodflow through the arterioles supplying cutaneous capillaries - linked to lupus
149
When should early intubation be considered with burns?
deep burns to face or neck, blisters or oedema of the oropharynxx
150
How does periorificial dermatitis present and how is it treated?
topical or oral antibiotics
steroids worsen symptoms
151
what is the most accurate diagram to assess burns area
lund and browder chart
152
Who should be transferred to a burns center? If respiratory problems?
burns involving the hand perineum, face and burs in 10% adults, 55 children
escharotomy
153
what is pompholyx
type of eczema that affects hands and feet
sweating
small blisters, pruritic,
cool compresses, emollients and topical steroids
154
first line treatment for scalp psoriasis
topical betamethasone valerate
155
keloid scars
dark skin
sternum most common site
intra lesional steroids e.g. triamcinolone
156
What do extensive burns cause?
secondary infection
ards
risk of ulcers
hypoalbuminiemia - plasma leakage into interstitial space due to loss of capillary integrity
157
Complications associated with psorialitic arthritis
CVS disease
158
What is erythema ab igne
caused by infrared radiation and commonly accosied with hot water bottles
can develop into squamous cell carcinoma
159
What drugs are linked with erythema multiforme?
penicillin, sulphonamides, carbamazepine, allopurinol, nsaids, oral contraceptive, nevirapine
160
Venous ulceration is typically seen above where
medial malleolus
161
How is Acne Vulgaris classified?
mild: open and closed comedones with or without sparse inflammatory lesions
moderate acne: widespread non-inflammatory lesions and numerous papules and pustules
severe acne: extensive inflammatory lesions, which may include nodules, pitting, and scarring
162
How is mild - moderate acne treated?
12 week combination therapy:
* topical adapalene with benzoyl peroxide (can be used mono)
* topical tretinoin with clindamycin
* topical benzoyl peroxide with clindamycin
163
How is moderate to severe acne treated?
12 week course of:
* mild treatment combos
* mild + either oral lymecycline or oral doxycycline
* topical azelaic acid + oral lyme/doxycycline
164
What should be considered about ABs when treated moderate to severe acne?
1. Avoid tetracyclines: pregnant and under 12 (use erythromycin)
2. Stop treatment at 6 months
3. Topical retinoid co-prescribed to reduce AB resistance
4. no topical + oral AB
165
Why is Minocycline not used in Acne vulgaris treatment now?
Irreversible pigmentation
166
What is a complication of long term AB use in Acne Vulgaris? What do you use if this occurs?
Gram-negative folliculitis
Trimethoprim
167
What is used as a alternative to oral ABs in Acne vulgaris treatment?
COCP (need topical agents with them)
168
What is the risk of using Dianette? Give its name as well
Co-cyprindiol
anti -androgen properties
increase risk of VTE
only give for 3 months
169
Which patients with Acne need refering to a dermatologist?
patients with acne conglobate acne: a rare and severe form of acne found mostly in men that presents with extensive inflammatory papules, suppurative nodules (that may coalesce to form sinuses) and cysts on the trunk.
patients with nodulo-cystic acne
170
Which Acne patients should be considered for referal to a dermatologist?
Not responding to 2 treatments
Not responding to AB
scarring
persistent pigmentary changes
psychological stress
171
What are the symptoms of Rosacea?
typically affects nose, cheeks and forehead
flushing is often first symptom
telangiectasia are common
later develops into persistent erythema with papules and pustules
rhinophyma (nose enlarge, red and bumpy)
ocular involvement: blepharitis
sunlight may exacerbate symptoms
172
What is this?
Rosacea
173
What is this?
Rosacea
174
What are the simple measures to manage Rosacea?
High factor sunscreen
175
How is Rosacea with predominant flushing treated?
Topical brimonidine (alpha-adrenergic agonist) gel if limited telangiectasia as well
| Use as required, reduces in 30 minutes
176
How are mild to moderate papules in rosacea treated?
Topical Ivermectin
| Alternative topical metronidazole / azelaic acid
177
When should referral be considered with Rosacea?
Symptoms not improve with management or has Rhinophyma
| Laser therapy - telangiectasia
178
What are the main features of Seborrhoeic dermatitis?
Eczematous lesions on sebum rich areas:
1. scalp
2. periorbital
3. auricular
4. nasolabial folds
Otitis externa and blepharitis linked
179
What is this?
Seborrhoeic dermatitis
180
What is Seborrhoeic dermaittis associated with?
HIV
Parkinsons disease
181
What treatments are used for face and body management in Seborrhoeic dermatitis?
Topical fungal
Topical steroids - short period
182
What is Eczema Herpeticum?
HSV1 / 2
children with atopic eczema
rapid progressing rask
monomorphic punched out erosions (circular, depressed, ulcerated lesions)
IV aciclovir
183
What is this?
Eczema herpeticum
Monomorphic punched-out erosions
184
What is Erythema nodosum?
Inflammation of subcutaneous fat
tender, erythematous, nodular lesions
shins
6 weeks then resolves
heal with no scar
185
What are the causes of Erythema Nodosum?
Infection - Strep, TB, brucellosis
Systemic - sarcoid, IBD, behcets
Malignancy - lymphoma
Drugs - penicillin, sulphonamide, COCP
Pregnancy
186
What is this?
Erythema Nodosum
Tender, erythematous, nodular lesions
187
How is Chonic Plaque Psoriasis managed?
Emollients
1. Potent CS + Vit D analogue
* One in morning and one evening
2. 4 weeks, then 4 week break - Vit D twice daily
3. 8-12 weeks - CS twice daily or coal tar prep
4. Short acting dithranol
5. Phototherapy - psoralen + PUVA - ageing + SCC
6. Systemic therapy - methotrexate, ciclosporin, infliximab, ustekinumab
188
How is Scalp psoriasis managed?
Potent topical CS once daily 4 weeks
if not work, different forumulation
189
How is facial psorasis treated?
Mild CS once / twice 2 weeks
190
Risks of potent CS therapy
Skin atrophy
Striae
191
What is Dithranol?
Inhibtis DNA synthesis
wash off after 30 mins
burning and staining effects
192
Indications to refer burns to secondary care
all deep dermal and full-thickness burns.
superficial dermal burns of more than 3% TBSA in adults, or more than 2% TBSA in children
superficial dermal burns involving the face, hands, feet, perineum, genitalia, or any flexure, or circumferential burns of the limbs, torso, or neck
any inhalation injury
any electrical or chemical burn injury
suspicion of non-accidental injury
193
What are the features of Lichen Planus?
itchy, papular rash most common on the palms, soles, genitalia and flexor surfaces of arms
rash often polygonal in shape, with a 'white-lines' pattern on the surface (Wickham's striae)
Koebner phenomenon may be seen (new skin lesions appearing at the site of trauma)
oral involvement in around 50% of patients: typically a white-lace pattern on the buccal mucosa
nails: thinning of nail plate, longitudinal ridging
194
Mainstay of treating Lichen Planus
Topical Steroids
195
Lichen Planus
196
Pyoderma gangrenosum first line
oral steroids
197
What is the commenst skin disorder found in pregnancy?
Atopic eruption
eczematous, itchy red rash
198
What is this?
Pruritic last trimester
abdominal striae
emollient etc
polymorphic eruption of pregnancy
199
Severe complication of Acne
Acme fulminans
200
Signs of hereditary haemorrhagic telangiectasia
pulmonary, hepatic, cerebral and spinal AVMs
201
What is the most common malignancy of the lower lip?
SCC
202
What type of surgery is least invasive?
Mohs micrographic surgery
203
Oral AB of choice to treat Erythrasma
Erythromycin
204
Main treatments for Actinic keratosis
Diclofenac / 5-fluorouracil
205
Raised white pearly edges
Basal cell carcinoma
206
what skin tumour has a rapid growth phase
keratoacanthoma
207
What is a common precipitant for pyogenic granuloma
trauma - bleeding
208
Treatment for athletes foot
Topical miconazole
209
What uncommonly causes eczema herpeticum
Coxsackie virus
210
What is Erysipelas?
Strep pyogenes
raised well defined border
211
