Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2016
[COMBINED POSTERIOR AND ANTERIOR APPROACHES FOR RESECTION OF THORACOLUMBAR SPINAL HUGE DUMBBELL-SHAPED TUMOR].
СтатьяНазвание и аннотация: Перевод в очереди
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Shi Jiandang, Zhao Chen, Ding Huiqiang, Fu Bin, Niu Ningkui, Yue Xuefeng, Yang Zongqiang, He Yin
Аннотация
OBJECTIVE: To investigate the surgical outcome of combined posterior and anterior approaches for the resection of thoracolumbar spinal canal huge dumbbell-shaped tumor.
METHODS: Between January 2009 and March 2015, 12 patients with thoracolumbar spinal canal huge dumbbell-shaped tumor were treated by posterior approach and anterolateral approach through diaphragmatic crura and thoracoabdominal incision for complete resection. There were 9 males and 3 females, with an average age of 45 years (range, 30-65 years). The disease duration was 8-64 weeks (mean, 12.7 weeks). The tumor was located at T(12), L1 in 6 cases, at L(1,2) in 5 cases, and at L(2,3) in 1 case. The tumor size ranged from 4.3 cm x 4.0 cm x 3.5 cm to 7.5 cm x 6.3 cm x 6.0 cm. According to tumor outside the spinal involvement scope and site and based on the typing of Eden, 5 cases were rated as type b, 2 cases as type d, 4 cases as type e, and 1 case as type f in the transverse direction; two segments were involved in 8 cases, and more than two segments in 4 cases. The degree of tumor excision, tumor recurrence, and the spine stability were observed during follow-up. The verbal rating scale (VRS) was used to evaluate pain improvement.
RESULTS: The average surgical time was 170 minutes (range, 150-230 minutes); the average intraoperative blood loss was 350 mL (range, 270-600 mL). All incisions healed by first intention, and no thoracic cavity infection and other operation related complication occurred. Of 12 cases, 10 were histologically confirmed as schwannoma, and 2 as neurofibroma. The patients were followed up 6 months to 6 years (mean, 31 months). Neurological symptoms were significantly improved in all patients, without lower back soreness. The thoracolumbar X-ray film and MRI showed no tumor residue. No tumor recurrence, internal fixator loosening, scoliosis, and other complications were observed during follow-up. VRS at last follow-up was significantly improved to grade 0 (10 cases) or grade 1 (2 cases) from preoperative grade 1 (2 cases), grade 11 (8 cases), and grade III (2 cases) (Z = -3.217, P=0.001).
CONCLUSION: Combined posterior approach and anterolateral approach through diaphragmatic crura and thoracoabdominal incision for complete resection of thoracolumbar spinal canal huge dumbbell-shaped tumor is feasible and safe, and can protect the stability of thoracolumbar spine and paraspinal muscle function. It can obtain satisfactory clinical result to use this method for treating the complex type of thoracolumbar spinal canal dumbbell-shaped tumor.
METHODS: Between January 2009 and March 2015, 12 patients with thoracolumbar spinal canal huge dumbbell-shaped tumor were treated by posterior approach and anterolateral approach through diaphragmatic crura and thoracoabdominal incision for complete resection. There were 9 males and 3 females, with an average age of 45 years (range, 30-65 years). The disease duration was 8-64 weeks (mean, 12.7 weeks). The tumor was located at T(12), L1 in 6 cases, at L(1,2) in 5 cases, and at L(2,3) in 1 case. The tumor size ranged from 4.3 cm x 4.0 cm x 3.5 cm to 7.5 cm x 6.3 cm x 6.0 cm. According to tumor outside the spinal involvement scope and site and based on the typing of Eden, 5 cases were rated as type b, 2 cases as type d, 4 cases as type e, and 1 case as type f in the transverse direction; two segments were involved in 8 cases, and more than two segments in 4 cases. The degree of tumor excision, tumor recurrence, and the spine stability were observed during follow-up. The verbal rating scale (VRS) was used to evaluate pain improvement.
RESULTS: The average surgical time was 170 minutes (range, 150-230 minutes); the average intraoperative blood loss was 350 mL (range, 270-600 mL). All incisions healed by first intention, and no thoracic cavity infection and other operation related complication occurred. Of 12 cases, 10 were histologically confirmed as schwannoma, and 2 as neurofibroma. The patients were followed up 6 months to 6 years (mean, 31 months). Neurological symptoms were significantly improved in all patients, without lower back soreness. The thoracolumbar X-ray film and MRI showed no tumor residue. No tumor recurrence, internal fixator loosening, scoliosis, and other complications were observed during follow-up. VRS at last follow-up was significantly improved to grade 0 (10 cases) or grade 1 (2 cases) from preoperative grade 1 (2 cases), grade 11 (8 cases), and grade III (2 cases) (Z = -3.217, P=0.001).
CONCLUSION: Combined posterior approach and anterolateral approach through diaphragmatic crura and thoracoabdominal incision for complete resection of thoracolumbar spinal canal huge dumbbell-shaped tumor is feasible and safe, and can protect the stability of thoracolumbar spine and paraspinal muscle function. It can obtain satisfactory clinical result to use this method for treating the complex type of thoracolumbar spinal canal dumbbell-shaped tumor.