Lunate pathology mimicking Kienbock's Disease; defining the disease and exploring differentials.

Kienbock's Disease is a rare disease with insidious clinical symptoms and characteristic features on imaging. However, the clinical and radiological findings are similar to many other pathologies affecting the lunate. We present a precise definition of the Kienbock's wrist, and an overview of other pathologies affecting the lunate. Better understanding of the clinical, radiological and arthroscopic findings of these diseases, allows accurate diagnosis and effective management strategy.