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Is This Subungual Pigmented Streak Cause for Concern?
During a routine physical examination, a 3-mm dark brown streak is noted on the fourth toe of a 54-year-old man.
During a routine physical examination, a 3-mm dark brown streak is noted on the fourth toe of a 54-year-old man. The patient does not recall any trauma to the foot and was unaware of the discoloration until it was pointed out to him. There is no hyperpigmentation of adjacent skin.
What do you suspect?
(Case and photo courtesy of Caron M. Grin, MD and Marti Jill Rothe, MD.)
Answer: Subungual melanoma
For more information about this case, please click here.
Atopic Dermatitis: The Pipeline and Clinical Approaches That Could Transform the Standard of Care
September 24th 2025Patient Care tapped the rich trove of research and expert perspectives from the Revolutionizing Atopic Dermatitis 2025 conference to create a snapshot of the AD care of the future.
