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[Extra osseous tumors of the spine in children and adolescents. Spinal complications].
PURPOSE OF THE STUDY: The delay in diagnosis of spinal tumors is not rare. The chief complaint may include pain, walking disability, and spinal or limb deformities. The purpose of our study is to analyze the spinal deformities associated with non osseous intraspinal tumors, to assess the complications of treatment, and to set out a preventive protocol.
MATERIALS: We reviewed retrospectively 40 consecutive cases of non osseous intraspinal tumors treated between 1972 and 1991. There were 32 intradural, 2 extradural, and 6 intra and extradural combined tumors. At the first consultation, the age ranged between 4 months and 15 years, and only 16 patients showed neurologic deficit. Spinal deformity existed in 9 patients, 7 of which had no neurologic deficit. All the tumors were treated surgically. Laminectomy was done in 28 cases, and osteoplastic laminotomy in 12 cases. The number of levels included in the laminectomy ranged from 3 to 18. Bilateral arthrectomy at least at one level was undertaken in 15 cases. A postoperative brace was worn in all cases for an average period of 4 months. An adjuvant radiotherapy was undertaken in 12 cases for an incomplete resection.
METHODS: The incidence and pattern of spinal deformity was assessed before tumor treatment and ultimately after laminectomy or osteoplastic laminotomy (or laminoplasty).
RESULTS: Among the 9 cases with preexisting spinal deformity, the curve magnitude increased after laminectomy in 4. A kyphotic, kyphosoliotic or scoliotic deformity developed in 18 cases after surgery for tumor resection. Among these 18 patients, only one had had an adequate osteoplastic laminotomy. The treatment of spinal deformities was surgical in 12 cases, and done by either posterior or anterior and posterior combined arthrodesis.
DISCUSSION: Spinal deformity may be the main complaint of a patient who has intraspinal tumor. Prevention of postlaminectomy spinal deformity is mandatory, and could be done by osteoplastic laminotomy and the use of a brace during a minimum period of 4 to 6 months after surgery.
CONCLUSION: Diagnosis of intraspinal tumors in children and adolescents should be done early, and laminoarthrectomy should be replaced by osteoplastic laminotomy.
MATERIALS: We reviewed retrospectively 40 consecutive cases of non osseous intraspinal tumors treated between 1972 and 1991. There were 32 intradural, 2 extradural, and 6 intra and extradural combined tumors. At the first consultation, the age ranged between 4 months and 15 years, and only 16 patients showed neurologic deficit. Spinal deformity existed in 9 patients, 7 of which had no neurologic deficit. All the tumors were treated surgically. Laminectomy was done in 28 cases, and osteoplastic laminotomy in 12 cases. The number of levels included in the laminectomy ranged from 3 to 18. Bilateral arthrectomy at least at one level was undertaken in 15 cases. A postoperative brace was worn in all cases for an average period of 4 months. An adjuvant radiotherapy was undertaken in 12 cases for an incomplete resection.
METHODS: The incidence and pattern of spinal deformity was assessed before tumor treatment and ultimately after laminectomy or osteoplastic laminotomy (or laminoplasty).
RESULTS: Among the 9 cases with preexisting spinal deformity, the curve magnitude increased after laminectomy in 4. A kyphotic, kyphosoliotic or scoliotic deformity developed in 18 cases after surgery for tumor resection. Among these 18 patients, only one had had an adequate osteoplastic laminotomy. The treatment of spinal deformities was surgical in 12 cases, and done by either posterior or anterior and posterior combined arthrodesis.
DISCUSSION: Spinal deformity may be the main complaint of a patient who has intraspinal tumor. Prevention of postlaminectomy spinal deformity is mandatory, and could be done by osteoplastic laminotomy and the use of a brace during a minimum period of 4 to 6 months after surgery.
CONCLUSION: Diagnosis of intraspinal tumors in children and adolescents should be done early, and laminoarthrectomy should be replaced by osteoplastic laminotomy.
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