Peds

Smooth Muscle Hamartoma

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Smooth Muscle Hamartoma

  • Signs
  1. Hyperpigmentation and Hypertrichosis
  2. Overlies a firm nodular base
  3. Lesion may "ripple" when stroked
  • Distribution
  1. Anywhere
  • Differential Diagnosis
  1. Congenital Malanocytic Nevus (distinguish with biopsy)
  • Labs
  1. Biopsy shows Arrector Pili Muscles
  • Course
  1. No increased risk of malignant transformation
  • Management
  1. None