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      Avaliação do tratamento cirúrgico nos pacientes com metástase vertebral secundária ao carcinoma de mama Translated title: Evaluation of surgical treatment of patients with vertebral metastasis secondary to breast carcinoma Translated title: Evaluación del tratamiento quirúrgico en pacientes con metástasis vertebrales secundarias a carcinoma de mama

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          Abstract

          OBJETIVO: Avaliar os resultados cirúrgicos dos pacientes com metástase vertebral secundária ao carcinoma de mama. MÉTODOS: Vinte e duas pacientes operadas com doença metastática vertebral secundária ao carcinoma de mama foram avaliadas no pré-operatório, pós-operatório imediato e depois de 1 mês e 6 meses do procedimento cirúrgico, usando a escala numérica da dor e o índice de incapacidade de Oswestry (ODI). RESULTADOS: As medidas para dor produziram valor de p de 0,0001 para a diferença entre o pré-operatório e o pós-operatório imediato, 0,0005 entre o pós-operatório imediato e 1 mês de pós-operatório, e 0,0908 entre 1 mês de pós-operatório e 6 meses de pós-operatório, portanto, encontram-se evidências de diferenças entre o pré-operatório e o pós-operatório imediato, assim como entre o pós-operatório imediato e após o 1º mês, mas não há tal evidência entre o 1º e o 6º mês de pós-operatório. Quanto ao ODI, a diferença foi significativa em todos os períodos. CONCLUSÃO: A cirurgia melhora a dor e diminui a incapacidade dos pacientes com doença metastática secundária ao carcinoma de mama.

          Translated abstract

          OBJECTIVE: To evaluate the surgical outcomes of patients with spinal metastasis secondary to breast carcinoma. METHODS: Twenty-two patients operated spinal metastatic disease secondary to breast carcinoma were assessed preoperatively, immediately postoperatively and after 1 and 6 months of surgery, using the numerical scale of pain and Oswestry Disability Index (ODI). RESULTS: The measures for pain produced a p-value of 0.0001 for the difference between the preoperative and postoperative, 0.0005 between the immediate postoperative period and 1 month postoperatively, and 0.0908 between 1 month and six months postoperatively, therefore, there is evidence of differences between the preoperative and postoperative periods, as well as between the immediate postoperative and after the 1st month, but there is no such evidence between 1st and 6th month postoperatively. As for the ODI, the difference was significant in all periods. CONCLUSION: The procedure improves pain and reduces disability in patients with metastatic disease secondary to breast cancer.

          Translated abstract

          OBJETIVO: Evaluar los resultados quirúrgicos de los pacientes con metástasis vertebrales secundarias a carcinoma de mama. MÉTODOS: Veintidós pacientes operados con enfermedad metastásica espinal secundaria a carcinoma de mama fueron evaluadas antes de la cirugía, inmediatamente después de la operación y después de 1 mes y 6 meses de la cirugía, mediante la escala numérica del dolor y el índice de discapacidad de Oswestry. RESULTADOS: Las medidas para el dolor produjeron un valor de "p" de 0,0001 para la diferencia entre el pre y postoperatorio, 0,0005 entre el postoperatorio inmediato y un mes después de la operación, y 0,0908 entre 1 mes después de la cirugía y el postoperatorio de 6 meses, por lo tanto, son la evidencia de las diferencias entre el pre y postoperatorio, así como entre el postoperatorio inmediato y después de un mes, pero no hay evidencia de tales diferencias entre 1 y 6 meses después de la operación. En cuanto al ODI, la diferencia fue significativa en todas las épocas. CONCLUSIÓN: El procedimiento mejora el dolor y reduce la discapacidad en pacientes con enfermedad metastásica secundaria a carcinoma de mama.

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          Direct decompressive surgical resection in the treatment of spinal cord compression caused by metastatic cancer a randomised trial

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            Quantitative characterization of metastatic disease in the spine. Part II. Histogram-based analyses.

            Radiological imaging is essential to the appropriate management of patients with bone metastasis; however, there have been no widely accepted guidelines as to the optimal method for quantifying the potential impact of skeletal lesions or to evaluate response to treatment. The current inability to rapidly quantify the response of bone metastases excludes patients with cancer and bone disease from participating in clinical trials of many new treatments as these studies frequently require patients with so-called measurable disease. Computed tomography (CT) can provide excellent skeletal detail with a sensitivity for the diagnosis of bone metastases. The purpose of this study was to establish an objective method to quantitatively characterize disease in the bony spine using CT-based segmentations. It was hypothesized that histogram analysis of CT vertebral density distributions would enable standardized segmentation of tumor tissue and consequently allow quantification of disease in the metastatic spine. Thirty two healthy vertebral CT scans were first studied to establish a baseline characterization. The histograms of the trabecular centrums were found to be Gaussian distributions (average root-mean-square difference=30 voxel counts), as expected for a uniform material. Intrapatient vertebral level similarity was also observed as the means were not significantly different (p > 0.8). Thus, a patient-specific healthy vertebral body histogram is able to characterize healthy trabecular bone throughout that individual's thoracolumbar spine. Eleven metastatically involved vertebrae were analyzed to determine the characteristics of the lytic and blastic bone voxels relative to the healthy bone. Lytic and blastic tumors were segmented as connected areas with voxel intensities between specified thresholds. The tested thresholds were mu-1.0 sigma, mu - 1.5 sigma, and mu - 2.0 sigma, for lytic and mu + 2.0 sigma, mu+3.0 siema, and mu + 3.5 sigma for blastic tissue where mu and sigma were taken from the Gaussian characterization of a healthy level within the same patient. The ideal lytic and blastic segmentation thresholds were determined to be mu-sigma and mu + 2 sigma, respectively. Using the optimized thresholds to segment tumor tissue, a quantitative characterization of disease is possible to calculate tumor volumes, disease severity, and temporal progression or treatment effect. Our proposed histogram-based method for characterizing spinal metastases shows great potential in extending the quantitative capacity of CT-based radiographic evaluations.
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              Surgical treatment strategies and outcome in patients with breast cancer metastatic to the spine: a review of 87 patients

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                coluna
                Coluna/Columna
                Coluna/Columna
                Sociedade Brasileira de Coluna (São Paulo )
                2177-014X
                September 2012
                : 11
                : 3
                : 226-229
                Article
                S1808-18512012000300008
                10.1590/S1808-18512012000300008
                a07f828f-a3ac-4486-a7d2-b47f7092e257

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1808-1851&lng=en
                Categories
                ORTHOPEDICS
                REHABILITATION

                Orthopedics,Physiotherapy
                Breast neoplasms,Neoplasm metastasis,Spine,Quality of life,Bone neoplasms,Neoplasias de la mama,Metástasis de la neoplasia,Columna vertebral,Calidad de vida,Neoplasias óseas,Neoplasias da mama,Metástase neoplásica,Coluna vertebral,Qualidade de vida,Neoplasias ósseas

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