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This table aims to provide a quick reference for understanding and describing various skin lesions and conditions. It serves as an educational resource for medical students and primary care clinicians to enhance their diagnostic acumen in dermatology.
| Term | Definition | Clinical Example |
|---|---|---|
| Abscess | Localised accumulation of pus in the dermis or subcutaneous tissues | Skin abscess |
| Annular | Like a circle or ring | Annular psoriasis |
| Boil/Furuncle | Staphylococcal infection around or within a hair follicle | Boil |
| Carbuncle | Staphylococcal infection of adjacent hair follicles (multiple boils/furuncles) | Carbuncle |
| Comedone | A plug in a sebaceous follicle containing altered sebum, bacteria, and cellular debris; can be open (blackheads) or closed (whiteheads) | Acne |
| Confluent | Lesions merging together | Confluent urticaria |
| Crust | Dried residue of skin exudates like serum, pus, or blood | Scab over a healing wound |
| Cyst | Elevated, encapsulated, fluid-filled or semi-solid lesion | Sebaceous cyst, epidermoid cyst |
| Dermatome | An area of skin supplied by a single spinal nerve | Shingles affecting a single dermatome |
| Discrete | Individual lesions separated from each other | Discrete warts |
| Discoid | Coin-shaped lesion | Discoid eczema |
| Erosion | Loss of part of the epidermis heals without scarring | Ruptured vesicle |
| Erythema | Redness (due to inflammation and vasodilatation) which blanches on pressure | Sunburn |
| Excoriation | Erosion caused by scratching | Scratched atopic dermatitis |
| Extensor... |
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