For as long as I can remember, I've had a weird blue mole on my right hand. And for almost as long, I've been anxious that it's not just a blue mole, but maybe, idk, cancer? But, thankfully no.

Melanocytic nevi are a category of benign melanocytic proliferations with a number of subtypes. These include congenital melanocytic nevi, blue nevi, acquired melanocytic nevi, and Spitz nevi. Many of ...

The man’s nasal lesion was in all likelihood a blue nevus. Blue nevi are visible manifestations of dermal melanocytosis that occur in solitary blue or gray-blue papules. The most common sites of ...

Blue Rubber Bleb Nevus Syndrome (BRBNS) is a rare vascular disorder characterised by multifocal venous malformations that most notably affect the skin and gastrointestinal tract. These lesions, often ...

Although a diagnosis can usually be made without further investigation, other congenital melanocytic nevi can present in similar locations. A café-au-lait patch can present on the face, but its ...

Blue Rubber Bleb Nevus Syndrome (BRBNS), also known as bean syndrome, is an extremely rare and severe condition. It has a heterogeneous spectrum of clinical features involving multiple venous ...

A patient recently came in to ask about a dark spot on her leg that was different from the rest of her moles. The doo-dad in question was a blue-black, very symmetric slight bump on her leg, which had ...