ISSN 2147-9720 | E-ISSN 2148-4279
Case Report
An unusual cause of medial foot pain: The cornuate navicular
1 Department of Rheumatology, Hassan II University Hospital, Fez, Morocco  
2 Department of Orthopedic Surgery, Hassan II University Hospital, Fez, Morocco  
Eur J Rheumatol 2015; 2: 33-34
DOI: 10.5152/eurjrheumatol.2014.14047
Key Words: Accessory navicular bone, cornuate navicular, foot pain

The accessory navicular bone (ANB) is a secondary ossification center of the navicular bone and is rarely observed. Three distinct types of accessory navicular bones have been described. The type III, known as the cornuate navicular, is a rare morphological entity of the accessory navicular bone. We report the case of a patient, 48 years old, who presented with chronic swelling and pain in her left foot. Radiological examination permitted the diagnosis and showed a conflict between the tibial posterior tendon and the cornuate navicular, responsible for the symptoms. Surgical treatment led to symptoms relief.


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