- Derived from benign cellular blue nevus, a dermal melanocytic proliferation thought due to arrested migration of immature dermal melanocytes during embryogenesis
- 11 year old with malignant blue nevus of left ear associated with large multinodular blue nevus at same locus and 2 intracranial melanocytic tumors (Hum Pathol 2004;35:1292)
End of Ear > External ear tumors - malignant > Malignant blue nevus
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