Congenital absence of the lateral sesamoid is an extremely rare condition. We present a case of congenital absence of the lateral sesamoid in which magnetic resonance imaging was performed. The literature is reviewed regarding the clinical significance of this anomaly. (J Am Podiatr Med Assoc 96(1): 78–81, 2006)
Corresponding author: Yakup Yildirim, MD, Department of Orthopaedic Surgery, Acibadem Hospital, Acibade Bagdat Cad. Poliklinigi, 289 Caddebostan, Istanbul, Turkey.