Anetoderma

Anetoderma is a localized skin condition with its characteristic button hole type leisons.

Cause

It is due to abnormal laxity of the skin with herniation or outpouching resulting from abnormal dermal elastic tissue.

Types

• Primary anetoderma
  • Jadassohn–Pellizzari anetoderma
  • Schweninger–Buzzi anetoderma
• Secondary anetoderma
• Familial anetoderma

Secondary anetoderma

Any of the following conditions can cause secondary anetoderma

• Infections such as chickenpox, syphilis
• Tumours such as pilomatrixoma, plasmacytoma, schwannoma, cutaneous B-cell lymphoma
• Infantile haemangioma
• Inflammatory skin conditions such as acne, granuloma annulare, lupus profundus

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