What’s the name of this sign? What does it tell you?
February 3, 2016
A patient presents for routine screening, including a skin exam. What’s the name of this sign and what does it tell you. (Scroll below for the answer and more info.)
Answer: The Ugly Duckling Sign
The ugly duckling sign refers to one mole among many that sticks out and looks different (“the ugly duck”) and should raise suspicion for melanoma.
We continue our dermatology series with the release of our newest Stanford 25 page:Approach to the Nevi (mole) Exam. Visit the page to learn more about the signs of melanoma and other normal findings you’ll see along the way.
The Stanford Medicine 25 is proud to announce the launch of our new website with the new year! Since the start of our website, we’ve had millions of visitors and look forward to improving and adding more content! The new site is now mobile-friendly and share’s more about what we do, including our Stanford 25...
In the last 20 years the knowledge base for a physician has grown exponentially. Meanwhile technological advances, combined with a growing healthcare system and greater demands on the physician have left the need to find more ways to overcome these challenges. The physical exam, once regarded in the medical profession and the litmus test to...
A 49 year-old obese man with non-alcoholic steatohepatitis and cirrhosis, complicated by hepatorenal syndrome not on dialysis, was admitted for expedited liver transplant workup. On admission, he was found to have the lower extremity skin lesions shown below. He noted that these slowly-enlarging lesions had developed over the past 2 months and were extremely tender, requiring opiates to control the pain...