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ear lesions, skin
Etiology:
1) plaques
- discoid lupus erythematosus
- psoriasis
2) nodules or tumors
- chondrodermatitis nodularis helicis
- carcinoma
- Lyme disease
- lymphoma
- melanocytic nevus
- keratoacanthoma
3) scales
- discoid lupus erythematosus
- psoriasis
- seborrheic dermatitis
- subacute eczematous dermatitis
4) hyperkeratosis
- actinic (solar) keratosis
- seborrheic keratosis
5) lichenification
- chronic eczematous dermatitis
Related
ear
General
differential diagnosis of skin lesions by body region
References
Color Atlas & Synopsis of Clinical Dermatology, Common
& Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY,
1997, pg 994-1001