Pictures Flashcards
What is Pruritis, Lesion, Rash?
- Pruritus: Itching
- Lesion: An area of altered skin
- Rash: An eruption
What is a Comedone?
A plug in a sebaceous follicle containing altered sebum, bacteria and cellular debris; can present as either open (blackheads) or closed (whiteheads)
What is this?
Naevus
What is this?
Open Comedones
What is this?
Closed Comedones
What is this?
Target Lesions
- This examples is Erythema Multiforme
What is this?
Annular (like or circle or ring)
- This example is Tinea Corporis
What is this?
Discoid/Nummular Lesion
- Discoid Eczema
What is this?
Erythema
- This example is Palmar Erythema
What are Discrete, Confluent and Linear Lesions?
- Discrete: Individual lesions separated from each other
- Confluent: Lesions merging together
- Linear: In a line
What is this?
Purpura: Red or purple colour (due to bleeding into the skin or mucous membrane) which does not blanch on pressure – petechiae (small pinpoint macules) and ecchymoses (larger bruise-like patches)
This example is Henoch-Schönlein purpura (palpable small vessel vasculitis)
What is this?
Hypopigmentation
- This is Pityriasis Versicolor
What is this?
De-pigmentation: white skin due to abscence of melanin
- This example is Vitiligo
What is this?
Hyper-pigmentation: Darker skin which may be due to various causes (e.g. post- inflammatory, melasma, naevi)
- This example is Melasma (increased melanin pigmentation)
What is this?
Macule: flat area of Altered colour
- This example is Freckles
What is this?
Patch: Larger flat area of altered colour or texture
- This examples is Naevus flammeus / ‘port wine stain’ (v**ascular malformation)
What is this?
Papule: solid raised lesion <0.5cm in diameter
- This example is Xanthomata
What is this?
Nodule: solid raised lesions >0.5cm in diameter with deeper component
- This example is a Pyogenic Granuloma
What is this?
Plaque: palpable scaling raising lesion >0.5 cm in diameter
- This example is Psoriasis
What is this?
Vesicle: raised, clear fluid-filled lesion <0.5cm in diameter
- This example is Acute Hand Eczema (pompholyx)
What is this?
Bulla (large blister): raised, clear fluid-filled lesion >0.5cm in diameter
- This example is a Reaction to insect bites
What is this?
Pustule: pus-containing lesion <0.5cm in diameter
- This example is Acne
What is this?
Abscess: Localised accumulation of pus in dermis or subcutaneous tissues
- This example is Periungual abscess
What is this?
Wheal: Transient raised lesion due to dermal oedema
- This example is Urticaria
What is this?
Excoriation: Loss of epidermis following trauma
What is this?
Lichenification: Well-defined roughening of skin with accentuation of skin markings
What is this?
Scales: Flakes of stratum corneum
- This example is Psoriasis
What is this?
Ulcer: Loss of epidermis and dermis (heals with scarring)
- This example is Leg Ulcers
What is this?
Crust: Rough surface consisting of dried serum, blood, bacteria and cellular debris that has exuded through an eroded epidermis (e.g. from a burst blister)
- This example is Impetigo
What is this?
Scar: New fibrous tissue which occurs post-wound healing, and may be atrophic (thinning), hypertrophic (hyperproliferation within wound boundary), or keloidal (hyperproliferation beyond wound boundary)
- This example is Keloid Scars
What is this?
Fissure: An epidermal crack often due to excess dryness
- Example is Eczema
What is this?
Striae: Linear areas which progress from purple to pink to white, with the histopathological appearance of a scar (associated with excessive steroid usage and glucocorticoid production, growth spurts and pregnancy)
- This example is Striae
What is this?
Alopecia: Loss of Hair
What is this?
Hirsutism: Androgen-dependent hair growth in a female
What is this?
Hypertrichosis: on-androgen dependent pattern of excessive hair growth (e.g. in pigmented naevi)
What is this?
Clubbing: Loss of angle between the posterior nail fold and nail plate (associations include suppurative lung disease, cyanotic heart disease, inflammatory bowel disease and idiopathic)
What is this?
Koilonychia: Spoon-shaped depression of the nail plate (associations include iron-deficiency anaemia, congenital and idiopathic)
What is this?
Onchylosis: separation of the distal end of the nail plate from nail bed (associations include trauma, psoriasis, fungal nail infection and hyperthyroidism)
What is this?
Pitting: Punctate depressions of the nail plate (associations include psoriasis, eczema and alopecia areata)
