# @nickpappasmd on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DXR0G2bjaqZ
- **Gondola URL:** https://gondola.cc/posts/64218329-nickpappasmd-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/230b828e90.jpg
- **Posted:** 2026-04-18T15:40:13.000+00:00
- **Account Owner:** Nick Pappas, MD (@nickpappasmd) — https://gondola.cc/nickpappasmd

## Caption

As an orthopedic hand surgeon, I see fingertip injuries on a daily basis.  The real reason some fingertip amputations can “grow back” has more to do with the nature of the injury than interventions like stem cell injection 💉

✅ Stem cells, particularly mesenchymal stem cells (MSC), can certainly help increase healing potential, mostly through signaling as opposed to directly transforming into other cell types.  Transformation with MSCs can occur but is much less common.  Nevertheless, it is important to note that accelerated healing and true regeneration are completely different things.

👉 When a fingertip amputation is very distal, clean, and preserves the nail bed/germinal matrix plus surrounding soft tissue scaffold, the body can use that intact biologic blueprint to regenerate surprisingly well. 🩹✨

The more tissue architecture that remains, the more the body can re-epithelialize, restore pulp contour, and even regrow nail structures. Once that scaffold is gone, true regeneration becomes much less likely.

👉 It’s less “stem cell magic” and more “the injury left behind the roadmap.” 🗺️🦴

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#handsurgery #thumbinjury #regenerativemedicine #stemcells

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## Tags

thumbinjury, stemcells, handsurgery, regenerativemedicine

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