Longitudinal Melanonychia vs. Subungual Melanoma

Subungual melanoma is a type of longitudinal melanonychia, but what are the tipoffs that longitudinal melanonychia is malignant vs. benign?

A brown or black band, stripe, streak or line in a nail is a very common occurrence in men and women of all ages and races. (more…)

What Is a Micro-Hutchinson’s Sign?

Blue arrows point to Hutchinson's sign from melanoma shown under magnification. Copyright ©2018 Bhat et al

Blue arrows point to Hutchinson’s sign from melanoma shown under magnification. Copyright ©2018 Bhat et al

If you know what a Hutchinson’s sign is, perhaps you’re wondering just what is a micro-Hutchinson’s sign and how predictive it is of death by melanoma. (more…)

Can a Normal Mole Look Like a Melanoma?

It’s pretty scary to know that a perfectly normal mole can look like a melanoma, and even more unnerving is that a melanoma may pass as a benign mole. (more…)

Nodular Melanoma: What You Should Know About this Killer

Nodular melanoma is a particularly lethal form of cancer that disregards the ABCDE guidelines that are so publicized about melanoma.

Delayed diagnosis is more common with nodular melanoma than with the more common superficial spreading type. (more…)

Is a Mole Normal if It’s Brown and Grey or Can It Be Melanoma?

A normal mole is supposed to be one color, or at least, two shades of a color.

But brown and grey are two completely different colors. Is this melanoma? (more…)

Hutchinson’s Sign vs. Pseudo-Hutchinson’s Sign

Hutchinson's sign ... or pseudo-Hutchinson's? Credit: Nameer Al-Sudany

Are there features about melanoma’s Hutchinson’s sign that are different than those found in pseudo-Hutchinson’s sign – which has causes other than melanoma?

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What Cancer Other than Melanoma Can Affect a Nail?

Subungual melanoma is a cancer affecting a fingernail or toenail and often has a poor prognosis.

However, melanoma isn’t the only cancer that can affect a nail. (more…)

Can Pin Size Red Dots on the Skin Be Caused by MS?

There are many causes for red dots and spots on the skin.

If you have health anxiety, multiple sclerosis may be the first thing that comes to your mind as to the possible cause of newly-noticed red dots on your skin. (more…)

Toenail (Subungual Hematoma) vs. Melanoma: Visible Differences

The appearance of blood under a toenail can closely resemble a melanoma – and vice versa.

Here is a comparison of the differences and similarities. (more…)