Does anyone know whether a rotator cuff tear could be missed in imaging?

Small tears commonly. Samller partial thickness tears can often be missed on routine mris. Really a thorough history and detailed physical examination should discern over 95% of all rotator cuff tears. The MRI should really only be a preop surgical tool to ascertain whether any other concomitant pathology exists that may also require more surgery and help with efficient use of or time.
Yes. No test is 100% accurate and we base our decision for treatment based on a diagnosis resulting from a thorough history and examination which is then combined with any additional indicated tests. Learn more here: http://www.Theshouldercenter.Com/rotator-cuff-tear.Htm.