A procedure can be performed competently yet be insufficient for the deformity. For example, a distal osteotomy may not address marked first-ray instability or a severe intermetatarsal deformity. Conversely, an unnecessarily powerful operation may create avoidable stiffness, shortening or overcorrection.
Technical factors can include residual sesamoid displacement, uncorrected pronation, malposition of an osteotomy or fusion, excessive soft-tissue release, fixation failure or failure to recognise arthritis. Patient biology and postoperative events can then compound these issues.
Incorrect or incomplete original diagnosis.
Using an operation outside its reliable corrective range.
Residual rotation, articular malalignment or sesamoid displacement.
Unrecognised instability, arthritis or lesser-ray pathology.
Smoking, infection, poor bone healing, trauma or premature loading.
Progressive deforming forces despite initially satisfactory correction.
Is recurrence always caused by surgical error?
No. Technical factors can contribute, but recurrence can also reflect deformity severity, tissue characteristics, instability, biology and long-term progression.