Is it possible to distinguish parts of toenail from skin, for example under a microscope.

Say I had a hypothesis that some toenail material had wound its way down the toe and spread out under the sole of the foot. Would it be possible to examine the material and definitively eliminate a possible origin in the toenail matrix or surrounding tissue? Which medical or lab professionals would be qualified for this analysis?

Is it possible to distinguish parts of toenail from skin, for example under a microscope?

Say I had a hypothesis that some toenail material had wound its way down the toe and spread out under the sole of the foot. Would it be possible to examine the material and definitively eliminate a possible origin in the toenail matrix or surrounding tissue? Which medical or lab professionals would be qualified for this analysis?

I think some part of my toenails or the surrounding tissue/material has grown deep under my foot and arrived at the heel. Is it possible to distinguish parts of toenail from skin, for example under a microscope.

All medical professionals locally tell me this is impossible. I am solely interested in the possibility to distinguish nail from skin, I already have plenty of opinions about how wrong I am about the cause of my pain. I'd appreciate greatly if your answers stuck to the question I asked. Secondary question - Is it possible to distinguish hyperkeratosis from toenail elements?

Is it possible to distinguish parts of toenail from skin, for example under a microscope.

Say I had a hypothesis that some toenail material had wound its way down the toe and spread out under the sole of the foot. Would it be possible to examine the material and definitively eliminate a possible origin in the toenail matrix or surrounding tissue? Which medical or lab professionals would be qualified for this analysis?