“…These include negative ulnar variance, radial inclination, low arterial inflow, increased venous congestion, hypercoagulability, systemic corticosteroid use, sickle cell disease, cerebral palsy, septic emboli and preceding wrist trauma (2,5). Although it is most likely that a complex interrelationship among the majority or all of the aforementioned factors contribute to the disease process, Kienböck's disease is fundamentally considered to be an avascular process of the lunate.…”