General approach to rashes: Difference between revisions
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*[[Ulcerative STDs]] | *[[Ulcerative STDs]] | ||
*[[Dermatologic nomenclature]] | *[[Dermatologic nomenclature]] | ||
*[[Pigmented rashes]] | |||
[[Category:Derm]] | [[Category:Derm]] |
Revision as of 10:42, 10 June 2015
Background
Dermatology Nomenclature
Small lesions (<0.5cm)
Name | Raised/Palpable | Fluid-Filled | Other Description | Diagram |
Macule | No | None | flat, cirumscribed, colored | |
Papule | Yes | None | Solid | |
Vesicle | Yes | Clear | ||
Pustule | Yes | Pus | Leukocytes or keratin |
Large lesions (>0.5cm)
Name | Raised/Palpable | Fluid-Filled | Other Description | Diagram |
Patch | No | None | Large macule (flat, colored) | |
Plaque | Yes | None | Superficially raised, circumscribed solid area | |
Nodule | Yes | None | Distinct large papule | |
Bulla | Yes | Clear | Large vesicle/blister or exposed epidermal layer | |
Wheal | Yes | Edema | Firm and edema of dermis |
Other
- Eschar
- Fissure/erosion/ulcer
- Necrotizing rashes
Differential Diagnosis
Other Rash
- Acute generalized exanthematous pustulosis
- Allergic reaction
- Aphthous stomatitis
- Atopic dermatitis
- Coxsackie
- Dermatitis herpetiformis
- Exfoliative erythroderma
- Impetigo
- Pellagra
- Pityriasis rosea
- Serum Sickness
- Tinea capitus
- Tinea corporis
- Vitiligo
Other Rash visual diagnosis
Psoriasis before and after treatment.