Sebaceous Nevus

  1. yellow/yellow-orange papule or plaque
  2. scalp/face/anywhere
  3. consists of immature hair follicles and sebaceous glands
  4. no hair, when on scalp (because of rudimentary hair follicles)
  5. may sit still until puberty, then may get larger and raised
  6. Surgical removal is recommended because it may transform into a basal cell epithelioma

Pigmented Nevus

  1. macule, dark brown/black
  2. lower back, buttocks, anywhere
  3. mostly benign
  4. 10% can become malignant. Monitor closely ABCD, may require excision