Other conditions that may be confused with melanoma include:
- Seborrheic keratosis.
- Moles with unusual patterns of color and shape.
- Dermatofibroma (round, firm, brown to purple growths often found on the legs and arms).
- Lentigo (brown symmetrical flat spots).
- Basal cell cancer.
- Squamous cell cancer.
- Actinic keratosis.
- Kaposi's sarcoma.
- Spitz nevus (malignant tumors that resemble melanoma but do not progress).
- Hemangioma (noncancerous blood vessel tumors).
- Venous malformation (tangles of small veins).
- Blood blisters that resolve in 7 to 14 days.
- Skin tags.
- Warts.
- Bruises.
- Tattoos.
Credits
| Author | Shannon Erstad, MBA/MPH |
| Editor | Kathleen M. Ariss, MS |
| Associate Editor | Denele Ivins |
| Associate Editor | Pat Truman |
| Primary Medical Reviewer | Kathleen Romito, MD - Family Medicine |
| Specialist Medical Reviewer | Randall D. Burr, MD - Dermatology |
| Last Updated | January 11, 2007 |
Author:Shannon Erstad, MBA/MPH
Last Updated: 01/11/2007
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