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Background: Eosinophilic granuloma (EG) of spine in pediatric patients presents kinds of clinical manifestation and a difficult management scenario. The choice of treatment, issues of surgical intervention versus conservative treatment, combination therapy or single treatment, all these factors, including neurological deficits, spinal stability, long-term complications, and continued skeletal growth, must be considered. Methods: From 2008 to the 2015, 31 pediatric patients of spinal EG were retrospectively reviewed. They were 17 males and 14 females, with a mean age 8.89 ± 2.84 years old (range, 3.5-14 years old). All the cases were divided into two groups. Twenty-three cases (Group S) accepted surgical interventions and surgery combined with local low-dose radiotherapy and/or chemotherapy. Eight patients (Group C) accepted radiotherapy and/or chemotherapy. All the patients had imaging studies of the lesion including standard radiography, three-dimensional computed tomography (CT) scan, and magnetic resonance imaging (MRI) prior to and after treatment. Cases in group S underwent surgery-related treatment, which include six patients accepted surgery only, nine patients accepted postoperative low-dose radiotherapy, four patients accepted additional chemotherapy, and four patients accepted both. Cases in group C accepted radiotherapy and/or chemotherapy, which include five patients accepted radiotherapy, one patient accepted chemotherapy, and two patients accepted both radiotherapy and chemotherapy. Clinical symptoms, neurologic status, radiologic manifestations, treatment, outcome, and/or complications were recorded and analyzed. Results: All the 31 patients had pain relief (both in group S and group C) but the patients in group S obtained more prompt pain relief. All the patients in group S obtained local kyphosis correction, reconstruction of stability of spine, and recovery of neurological deficit after treatment. They have no surgery-related complications after treatment and in follow-up. Seventeen patients who received additional postoperative radiotherapy and/or chemotherapy also had good outcomes. There were no severe radiation and chemotherapy complications in procedure. The patients (group C) who accepted non-surgical treatment also have no severe complications, and a new femur lesion was found in one patient in follow-up. Conclusion: Surgical intervention, including anterior and/or posterior approach with bone graft or surgery combined with postoperative low-dose radiotherapy and/or chemotherapy is a safe and effective way for treatment of the spinal EG. Compared with radiotherapy and/or chemotherapy, more prompt pain relief can be achieved via surgical intervention or surgery combined radiotherapy and/or chemotherapy. [ABSTRACT FROM AUTHOR]

Purpose: To investigate the clinical efficacy and feasibility of one-stage surgical treatment for upper thoracic spinal tuberculosis by internal fixation, debridement, and combined interbody and posterior fusion via a posterior-only approach. Methods: Fourteen patients (eight males, six females) with upper thoracic tuberculosis whose lesions were confined to two adjacent segments were admitted to our hospital. Their ages ranged from 23 to 72 years (average, 50 years). The American Spinal Injury Association (ASIA) impairment scale was used to assess neurological function. ASIA classification showed that preoperatively, one patient was grade A, two patients were grade B, eight patients were grade C, and three patients were grade D. All patients were treated with one-stage surgical treatment by internal fixation, debridement, and combined interbody and posterior fusion via a posterior-only approach. Patients were evaluated preoperatively and postoperatively by measurement of thoracic kyphotic angles using Cobb angle evaluation, determination of erythrocyte sedimentation rate (ESR), evaluation of ASIA impairment scale, and radiological examination. Results: Operation time ranged from 70 to 135 min, (average, 110 min). Intraoperative blood loss ranged from 200 to 950 mL (average, 450 mL). All patients were followed up for 22 to 48 months postoperatively (average, 31.5 months). No sinus tract formation, cerebrospinal meningitis, or recurrence of tuberculosis occurred. All patients had significant postoperative improvement in ASIA classification scores. The thoracic kyphotic angles were significantly decreased to 12°-26° postoperatively, and at final follow-up were 13°-28°. The ESR recovered to normal within 6 months postoperatively in all patients. Bone fusion was achieved within 3-8 months (average, 5.5 months). Conclusions: One-stage surgical treatment for upper thoracic spinal tuberculosis by internal fixation, debridement, and combined interbody and posterior fusion via a posterior-only approach can be an effective and feasible treatment method. [ABSTRACT FROM AUTHOR]

Purpose: We evaluated the clinical efficacy and feasibility of one-stage posterior internal fixation, debridement and interbody thoracic fusion in the treatment of thoracic tuberculosis.Methods: Sixty adult patients with monosegmental thoracic tuberculosis were studied retrospectively: 34 men and 26 women with an average age of 37.5 years. Operating time, blood loss, time in bed, complications, neurological function, rate of deformity correction and rate of interbody fusion were investigated.Results: All cases were followed up for 27.5 months on average. Average mean operating time was 251 min, evaluated blood loss during operation 780 ml, rate of kyphosis correction 79%, corrected kyphosis angle 25° and loss of corrected angle 1.2°. Patients whose neurological function improved accounted for 90.1%. Erythrocyte sedimentation rate (ESR) or C-reactive protein (CRP) decreased to normal levels three months after operation. The rate of bone fusion was 100%, with a 100% cure rate. No severe complications or spinal cord injury occurred.Conclusions: This approach can successfully remove the focus of tuberculosis with complete interbody thoracic fusion after operation, which restores spinal stability. [ABSTRACT FROM AUTHOR]

Study design: Prospective case series. Objective: Degenerative idiopathic scoliosis can be a cause of back pain. We sought to explore the feasibility and effectiveness of indirect decompression treatment in posterior correction and fusion for adult idiopathic scoliosis patients with radiculopathy and combined lateral olisthesis and/or foraminal stenosis. Methods: Thirty seven degenerative adult idiopathic scoliosis patients with radiculopathy were recruited. Prostration or body traction alleviated the neurological deficit in these patients. Their symptoms were aggravated, when patients stood up. Imaging was used to assess lateral olisthesis and/or foraminal stenosis. All patients underwent posterior pedicle screw fixation, deformity correction, dorsal lamina and posterolateral bone grafting with the indirect decompression treatment. Clinical examinations including visual analog scale (VAS), oswestry disability index (ODI) scores, and images were performed pre- and post-operation and during follow-up visits. Results: Twenty seven patients were followed for the average of 30.8 months. No serious complication was observed. The cobb's angle, lateral olisthesis, thoracic kyphosis, thoracolumbar kyphosis, lumbar lordosis, VAS and ODI scores, coronal and sagittal balance were significantly improved among the patients who underwent the indirect decompression treatment. All patients had eliminated neurological deficit at their final follow-ups. Conclusions: The indirect decompression treatment in the posterior correction and fusion can be effective for adult idiopathic scoliosis patients with radiculopathy and combined lateral olisthesis and/or foraminal stenosis. This indicates the premise of strict operation indication. [ABSTRACT FROM AUTHOR]

Purpose: The aim of this study was to identify associated risk factors of distal adding-on phenomenon in Lenke 1A/B and 2A/B adolescent idiopathic scoliosis (AIS) patients and establish the corresponding prediction model.The clinical data of 119 Lenke 1A/B and 2A/B AIS patients were retrospectively analyzed. Preoperative, first erect (FE) radiographic parameters and radiographic parameters at the last follow-up were measured. Patients were divided into the adding-on group and the no adding-on group according to whether the adding-on phenomenon was observed at the last follow-up. Univariate analysis and multivariate logistic regression analysis were used to establish the corresponding prediction model.Adding-on affected 39 (32.8%) patients at the last follow-up. Risser sign and 19 radiographic parameters showed significant differences between the two groups by univariate analysis. Stepwise logistic regression analysis found that the Risser sign and so on five predictor variable, and the nomogram was drawn. The calibration curve showed that the model fitted well. The area under the receiver operating characteristic (ROC) curve is 0.949. And the decision curve analysis curve model within the threshold range for interventions to improve clinical outcomes. There was no significant difference in SRS-22 scores between the two groups.This study established a prediction model with adding-on in Lenke 1A/B and 2A/B AIS patients. The nomogram contains five predictive variables, which can effectively predict the probability of adding-on phenomenon during follow-up, and may have greater clinical value for the treatment and prevention of adding-on phenomenon.Methods: The aim of this study was to identify associated risk factors of distal adding-on phenomenon in Lenke 1A/B and 2A/B adolescent idiopathic scoliosis (AIS) patients and establish the corresponding prediction model.The clinical data of 119 Lenke 1A/B and 2A/B AIS patients were retrospectively analyzed. Preoperative, first erect (FE) radiographic parameters and radiographic parameters at the last follow-up were measured. Patients were divided into the adding-on group and the no adding-on group according to whether the adding-on phenomenon was observed at the last follow-up. Univariate analysis and multivariate logistic regression analysis were used to establish the corresponding prediction model.Adding-on affected 39 (32.8%) patients at the last follow-up. Risser sign and 19 radiographic parameters showed significant differences between the two groups by univariate analysis. Stepwise logistic regression analysis found that the Risser sign and so on five predictor variable, and the nomogram was drawn. The calibration curve showed that the model fitted well. The area under the receiver operating characteristic (ROC) curve is 0.949. And the decision curve analysis curve model within the threshold range for interventions to improve clinical outcomes. There was no significant difference in SRS-22 scores between the two groups.This study established a prediction model with adding-on in Lenke 1A/B and 2A/B AIS patients. The nomogram contains five predictive variables, which can effectively predict the probability of adding-on phenomenon during follow-up, and may have greater clinical value for the treatment and prevention of adding-on phenomenon.Results: The aim of this study was to identify associated risk factors of distal adding-on phenomenon in Lenke 1A/B and 2A/B adolescent idiopathic scoliosis (AIS) patients and establish the corresponding prediction model.The clinical data of 119 Lenke 1A/B and 2A/B AIS patients were retrospectively analyzed. Preoperative, first erect (FE) radiographic parameters and radiographic parameters at the last follow-up were measured. Patients were divided into the adding-on group and the no adding-on group according to whether the adding-on phenomenon was observed at the last follow-up. Univariate analysis and multivariate logistic regression analysis were used to establish the corresponding prediction model.Adding-on affected 39 (32.8%) patients at the last follow-up. Risser sign and 19 radiographic parameters showed significant differences between the two groups by univariate analysis. Stepwise logistic regression analysis found that the Risser sign and so on five predictor variable, and the nomogram was drawn. The calibration curve showed that the model fitted well. The area under the receiver operating characteristic (ROC) curve is 0.949. And the decision curve analysis curve model within the threshold range for interventions to improve clinical outcomes. There was no significant difference in SRS-22 scores between the two groups.This study established a prediction model with adding-on in Lenke 1A/B and 2A/B AIS patients. The nomogram contains five predictive variables, which can effectively predict the probability of adding-on phenomenon during follow-up, and may have greater clinical value for the treatment and prevention of adding-on phenomenon.Conclusions: The aim of this study was to identify associated risk factors of distal adding-on phenomenon in Lenke 1A/B and 2A/B adolescent idiopathic scoliosis (AIS) patients and establish the corresponding prediction model.The clinical data of 119 Lenke 1A/B and 2A/B AIS patients were retrospectively analyzed. Preoperative, first erect (FE) radiographic parameters and radiographic parameters at the last follow-up were measured. Patients were divided into the adding-on group and the no adding-on group according to whether the adding-on phenomenon was observed at the last follow-up. Univariate analysis and multivariate logistic regression analysis were used to establish the corresponding prediction model.Adding-on affected 39 (32.8%) patients at the last follow-up. Risser sign and 19 radiographic parameters showed significant differences between the two groups by univariate analysis. Stepwise logistic regression analysis found that the Risser sign and so on five predictor variable, and the nomogram was drawn. The calibration curve showed that the model fitted well. The area under the receiver operating characteristic (ROC) curve is 0.949. And the decision curve analysis curve model within the threshold range for interventions to improve clinical outcomes. There was no significant difference in SRS-22 scores between the two groups.This study established a prediction model with adding-on in Lenke 1A/B and 2A/B AIS patients. The nomogram contains five predictive variables, which can effectively predict the probability of adding-on phenomenon during follow-up, and may have greater clinical value for the treatment and prevention of adding-on phenomenon. [ABSTRACT FROM AUTHOR]