Michelle Tagliamonte, 58, was getting a manicure when she noticed the black lines on her thumb, which signaled the start of a ...

We'll just come right out and say it: some of us have been guilty of leaving our nail polish on far too long. More often than not, when that polish is then removed, we discover that what's hiding ...

and white or yellow longitudinal lines on the nail plate. In addition to fungal causes of true leukonychia, this form of nail discoloration can also indicate a rare autosomal dominant condition ...

The distal nail plate was ragged on the right nail ... Multiple transverse bands of white discoloration noted to involve almost all nails. Close-up view of thumbnails; notice ragged proximal ...