Atypical Moles

Atypical or dysplastic moles are generally larger than normal moles, variable in color, and have irregular borders compared to regular moles. Multiple atypical moles on the skin represent an increased risk for melanoma in that individual. 

A yearly exam is recommended for persons with a family or personal history of atypical moles.

It is common for unusual, new or changing moles to be biopsied for microscopic evaluation.

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Atypical Moles Puget Sound Dermatology
Symptoms of Atypical mole Puget Sound Dermatology

Examining Moles For Abnormality

When examining moles, consider the following “ABCDE” features:

  • Asymmetry – One half of the mole does not match the other half.
  • Border irregularity –ragged, notched or blurred borders instead of smooth round borders.
  • Color – The pigmentation/color of the mole is not uniform.
  • Diameter – moles larger than a pencil eraser (6mm) are more likely to be atypical.
  • Evolution or change.  It is not common to develop moles as an adult.  Moles should not change (evolve) appearance.  
  • New itching or bleeding is also a warning sign that a mole may be abnormal.

**Moles that meet some or all of these criteria should be checked by a dermatologist.**

Meet Our Providers

Our providers continue to maintain the highest levels of accreditation and progressive ongoing education to learn and understand the latest developments in medical dermatology. Each provider's education and bio can be viewed below.

Scott Taylor, PA-C

Scott Taylor has been working in dermatology since 2011 with a special focus on surgical and general dermatology. He is particularly passionate about patient counseling in a wide variety of dermatological conditions from...

Sheena Nguyen, DO

Dr. Nguyen is a Fellow of the American Academy of Dermatology and a Board Certified, Fellowship-trained Pediatric Dermatologist. She was born and raised...