Outcome of fusion of a painful accessory navicular to the primary navicular.
BACKGROUND
An accessory navicular bone may cause pain due to continuous irritation at its interface with the navicular. The authors performed the fusion of the accessory navicular and navicular with screw(s) to relieve the symptoms while preserving the continuity of the posterior tibial tendon.


METHODS
We analyzed the clinical and radiological outcomes of 31 consecutive patients (34 feet) with a painful type II accessory navicular.


RESULTS
Bone union was confirmed on plain radiography in 28 (82%) of 34 feet. Twenty-two patients (24 feet) were assessed as excellent, two (three feet) as good, and one (one foot) as fair. Nonunion developed in six patients (six feet) and was defined as poor.


CONCLUSIONS
When conservative treatment fails to relieve pain in a type II accessory navicular, fusion of the accessory navicular to the navicular may successfully relieve pain without disrupting the tibialis posterior tendon insertion.
Chung
Jin-Wa
JW
Department of Orthopaedic Surgery, King-Nam St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Korea.
Chu
In-Tak
IT
D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology / Q000601:surgery; D012189:Retrospective Studies; D013639:Tarsal Bones / Q000002:abnormalities* / Q000503:physiopathology / Q000601:surgery*; D016896:Treatment Outcome; D055815:Young Adult