Dr. Joshua John-Ram Schacter answers whether rotator cuff tears can heal like cuts. He explains that partial-thickness traumatic tears might theoretically heal if sufficient blood supply exists, and that biologic/orthobiologic therapies (e.g., stem cells) may offer benefit, but there is limited research; in most cases rotator cuff tears do not heal like simple cuts.
So the question is whether a rotator cuff tear heals itself like a cut. In some cases, if you have a traumatic tear that is only part of the way through the tendon, there theoretically could be a way that it could heal itself like a cut if you have enough blood supply to the area. Biologics therapies like stem cell may offer some benefit here, although there's not a whole lot of research on that. Now, we do treat rotator cuff tears, especially partial thickness rotator cuff tears, with orthobiologics very successfully.
But no, in most cases, rotator cuff tears will not heal themselves like a cut.
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