期刊
JOURNAL OF NEUROSURGERY-SPINE
卷 24, 期 2, 页码 291-294出版社
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/2015.5.SPINE1596
关键词
Kirschner wire; K-wire migration; spinal canal; cervical spine; spinal cord injury
The migration of Kirschner wires (K-wires) is a rare but significant complication of osteosynthesis interventions, and numerous cases of wire migrations have been reported in the literature. Nevertheless, migration into the spinal canal is very rare, with only 10 cases reported thus far. The authors present a case of K-wire migration into the spinal canal, together with a review of the relevant literature. A 30-year-old male who had suffered a right clavicle fracture in a motorcycle accident was treated with 2 K-wires. Four months after the initial fixation, while he was lifting his child, he experienced short-term pain in his back, numbness in all 4 extremities, followed by a spontaneous decrease in numbness affecting only the ulnar nerve dermatomes bilaterally, and a persistent headache. No urinary incontinence was present. Simple radiography studies of the cervical spine revealed a wire in the spinal canal, penetrating the T-2 foramen and reaching the contralateral foramen of the same vertebra. Computerized tomography showed the wire positioned in front of the spinal cord. Surgery for wire extraction was performed with the patient under general anesthesia, and he experienced relief of the symptoms immediately after surgery. This case is unique because the wire caused no damage to the spinal cord but did cause compression-related symptomatology and headache, which have not been reported in osteosynthesis wire migration to the thoracic region.
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