Dark raised skin lesions

Background

Normal dermal anatomy.

Clinical Features

Dark raised skin lesions

• 

  Acanthosis nigricans

• 

  Seborrheic keratosis

• 

  Melanoma

• 

  Kaposi's sarcoma

Differential Diagnosis

Dark raised skin lesions

• Acanthosis nigricans
• Kaposi's sarcoma
• Melanoma
• Nevus
• Seborrheic keratosis

See Also

• General approach to rashes