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CASE REPORT
Year : 2015  |  Volume : 49  |  Issue : 6  |  Page : 676-679

Isolated dorsal dislocation of the tarsal naviculum


Department of Orthopedics and Traumatology, Tahar Sfar University Hospital, Mahdia, Tunisia

Correspondence Address:
Kaziz Hamdi
Department of Orthopedics and Traumatology, Tahar Sfar University Hospital, Mahdia
Tunisia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5413.168769

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Isolated dislocation of the tarsal naviculum is an unusual injury, scarcely reported in the literature. The naviculum is surrounded by the rigid bony and ligamentous support hence fracture dislocation is more common than isolated dislocation. The mechanism and treatment options remain unclear. In this case report, we describe a 31 year old man who sustained an isolated dorsal dislocation of the left tarsal naviculum, without fracture, when he was involved in a motor vehicle collision. The reported mechanism of the dislocation is a hyper plantar flexion force applied to the midfoot, resulting in a transient disruption of the ligamentous support of the naviculum bone, with dorsal displacement of the bone. The patient was treated with open reduction and Krischner-wire fixation of the navicular after the failure of closed reduction. The wires were removed after 6 weeks postoperatively. Physiotherapy for stiffness and midfoot pain was recommended for 2 months. At 6 months postoperatively, limping, midfoot pain and weakness were reported, no X-ray abnormalities were found. The patient returned to his obvious activities with a normal range of motion.


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