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Distinct morphology (therefore not a differential, just a list):
| • | angiolymphoid hyperplasia with eosinophils |
| • | lymphocytoma cutis (borrelial) |
| • | Ramsey-Hunt syndrome (zoster) |
| • | Juvenile spring eruption |
| • | pre-auricular pits (or sinus) |
cartilage related:
| • | ochronosis (alkaponuria) |
| • | chondrodermatitis nodularis helicis |
| • | pseudocyst of the auricle |
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