Types of Radiographic Changes Involving the Proximal Sesamoid Bones

Radiographic changes involving the proximal sesamoid bones can be of two major types: osteolytic or proliferative. In Figure 46, osteolytic changes in the proximal sesamoid bones are consistent with a radiographic diagnosis of sesamoiditis. Once these osteolytic changes develop in the sesamoid bone, they do not regress. Therefore, the clinical examination is vital in determining whether the changes are chronic and inactive or significant at the time the radiographs were obtained. In a case such as that illustrated here, the clinical evaluation would influence me substantially in the formulation of the radiographic interpretation.