Skin Conditions of the Feet

Skin Conditions of the Feet

You probably never thought of seeing a podiatrist for a skin check, right?   Although malignant melanomas are not common in the foot, they do occur and I have seen them.

IMG_2998How do you know if it’s malignant?

You don’t.  The only one who can tell is a pathologist who looks at the lesion under a microscope.  Sure, you can use diagnostic factors and guidelines to give a “probability” of it being malignant, but the only true way to tell is to look at it from a cellular level.

The in-office guidelines are as follows: (known as the ABCD’s)

  • Asymmetry :  If you draw a line through the center, do both sides look the same?
  • Border:  The border of the lesion should be symmetric
  • Color:  Is the color uniform?  It should be!
  • Diameter:  Is it bigger than a pencil eraser?

If your lesion violates any of the above parameters, it should be biopsied.

The biopsy involves a simple in office procedure where the lesion is anesthetized by a small injection, and a 3mm size area is sampled by what is called a “punch biopsy”.  It is painless and only requires a band-aid.  Results are typically back within 10 days.

IMG_0228   IMG_0088


Date 13 Jun 2016

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