subject: The ABC's Of Foot Melanoma [print this page] Whether it is on your foot or under a nail suspicious skin lesions should be investigated and a podiatrist should do the investigating. Like the magnifying glass wielding Sherlock Holmes he/she is - your podiatrist will do what it takes. This foot care professional will get to the bottom of things. It is imperative, therefore, that you go for a foot care evaluation the moment you see something suspicious.