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Lee CC, Tey J, Cheo T, Lee CH, Wong A, Kumar N, Vellayappan B. Outcomes of Patients With Spinal Metastases From Prostate Cancer Treated With Conventionally-Fractionated External Beam Radiation Therapy. Global Spine J 2023; 13:284-294. [PMID: 33648366 PMCID: PMC9972278 DOI: 10.1177/2192568221994798] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE To evaluate the outcomes of conventionally-fractionated external beam radiation therapy (cEBRT) in the treatment of prostate cancer spinal metastases (PCSM). METHODS Patients who received palliative cEBRT for PCSM in our institution between 2008 and 2018 were included. Our outcomes were local progression-free survival (LPFS), overall survival (OS), pain response and toxicities graded using CTCAE version 4.03. Univariable and multivariable Cox proportional hazard regressions were performed to identify predictors for LPFS and OS. RESULTS A total of 100 patients with 132 sites of PCSM were identified, with a median follow-up of 54 months. Fourteen-percent of patients underwent surgical intervention before receiving cEBRT. Eighteen spinal segments (13.6%) had local progression, with a median time to local progression of 8 months. The median LPFS and OS were 7.8 and 9.0 months, respectively. The complete and partial pain response rates were 57% and 39% respectively. The incidence of grade ≥3 acute toxicities was 11%. Better ECOG performance status (0 to 1), castration-sensitive disease, spinal surgery and use of novel antiandrogen agent were identified as significant predictors for improved OS on multivariable analysis. CONCLUSIONS In our prostate cancer cohort, cEBRT is an effective treatment modality for local palliation of spinal metastases. More aggressive treatment approach should be considered for patients with excellent performance status and castration-sensitive disease in light of their expected longer survival. Further studies are warranted to identify the predictors for radiotherapy response in this population.
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Affiliation(s)
- Chia Ching Lee
- Department of Radiation Oncology,
National University Cancer Institute, National University Hospital, National
University Health System, National University of Singapore, Singapore,
Singapore
| | - Jeremy Tey
- Department of Radiation Oncology,
National University Cancer Institute, National University Hospital, National
University Health System, National University of Singapore, Singapore,
Singapore
| | - Timothy Cheo
- Department of Radiation Oncology,
National University Cancer Institute, National University Hospital, National
University Health System, National University of Singapore, Singapore,
Singapore
| | - Chau Hung Lee
- Department of Radiology, Tan Tock Seng
Hospital, Singapore, Singapore
| | - Alvin Wong
- Department of Haematology-Oncology,
National University Cancer Institute, National University Hospital, Singapore
| | - Naresh Kumar
- Department of Orthopaedic Surgery,
National University Hospital, National University Health System, National University
of Singapore, Singapore
| | - Balamurugan Vellayappan
- Department of Radiation Oncology,
National University Cancer Institute, National University Hospital, National
University Health System, National University of Singapore, Singapore,
Singapore
- Balamurugan Vellayappan, Department of
Radiation Oncology, National University Cancer Institute, National University
Hospital, National University Health System, National University of Singapore,
1E Kent Ridge Road, NUHS Tower Block, Level 7, 119228 Singapore, Singapore.
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Gao ZY, Zhang T, Zhang H, Pang CG, Jiang WX. Prognostic factors for overall survival in patients with spinal metastasis secondary to prostate cancer: a systematic review and meta-analysis. BMC Musculoskelet Disord 2020; 21:388. [PMID: 32552816 PMCID: PMC7298793 DOI: 10.1186/s12891-020-03412-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 06/08/2020] [Indexed: 11/21/2022] Open
Abstract
Background To guide the selection of treatments for spinal metastases, the expected survival time is one of the most important determinants. Few scoring systems are fully applicable for spinal metastasis secondary to prostate cancer (PCa). This study aimed to identify the independent factors to predict the overall survival (OS) of patients with spinal metastases from PCa. Methods The PubMed, Embase and CENTRAL were retrieved by two reviewers independently, to identify studies analyzed the prognostic effect of different factors in spinal metastasis from PCa. A systematic review and quantitative meta-analysis was conducted with hazard ratio (HR) and 95% confidence interval (95%CI) as the effect size. Results A total of 12 retrospective cohort studies (1566 patients) were eligible for qualitative synthesis and 10 for quantitative meta-analyses. The OS was significantly influenced by performance status, visceral metastasis, ambulatory status and time from PCa diagnosis in more than half of the available studies. The meta-analyses demonstrated that OS was significantly influenced by visceral metastasis (HR = 2.24, 95%CI:1.53–3.27, p < 0.001), pre-treatment ambulatory status (HR = 2.64, 95%CI:1.82–3.83, p < 0.001), KPS (HR = 4.45, 95%CI:2.01–9.85, p < 0.001), ECOG (HR = 2.96, 95%CI:2.02–4.35, p < 0.001), extraspinal bone metastasis (HR = 2.04, 95%CI:1.13–3.68, p = 0.018), time developing motor deficit (HR = 1.57, 95%CI:1.30–1.88, p < 0.001) and time from PCa diagnosis (HR = 1.37, 95%CI:1.17–1.59, p < 0.001). Conclusions Visceral metastasis, ambulatory status, extraspinal bone metastasis, performance status, time developing motor deficit and time interval from primary tumor diagnosis were significantly associated with the OS for spinal metastasis from PCa. When selecting the treatment modality, clinicians should fully consider the patients’ systematic status based on all potential prognostic factors. Level of evidence I Meta-analysis.
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Affiliation(s)
- Zhong-Yu Gao
- Department of Orthopedic Surgery, Tianjin First Central Hospital, 24 Fukang Rd, Nankai District, Tianjin, 300192, China
| | - Tao Zhang
- Department of Orthopedic Surgery, Tianjin First Central Hospital, 24 Fukang Rd, Nankai District, Tianjin, 300192, China
| | - Hui Zhang
- Department of Orthopedic Surgery, Tianjin First Central Hospital, 24 Fukang Rd, Nankai District, Tianjin, 300192, China
| | - Cheng-Gang Pang
- Graduate School, Tianjin Medical University, Tianjin, 300070, China
| | - Wen-Xue Jiang
- Department of Orthopedic Surgery, Tianjin First Central Hospital, 24 Fukang Rd, Nankai District, Tianjin, 300192, China.
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Yang XG, Lun DX, Hu YC, Liu YH, Wang F, Feng JT, Hua KC, Yang L, Zhang H, Xu MY, Zhang HR. Prognostic effect of factors involved in revised Tokuhashi score system for patients with spinal metastases: a systematic review and Meta-analysis. BMC Cancer 2018; 18:1248. [PMID: 30545326 PMCID: PMC6293585 DOI: 10.1186/s12885-018-5139-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 11/27/2018] [Indexed: 12/14/2022] Open
Abstract
Background Cancer patients’ survival time has obviously improved, with the development of systemic treatment techniques. However, the probability of metastases to the vertebrae has also been increased which makes some adverse effects on patients’ quality of life. The prediction of survival plays a key role in choosing therapeutic modality, and Tokuhashi Score was established as one of the most commonly used predictive systems for spinal metastases. Thus, this study was conducted to identify the prognostic effect of factors involved in revised Tokuhashi Score (RTS). Methods Two investigators independently retrieved relevant literature on platforms of PubMed, Embase and Cochrane Library. We identified eligible studies through title/abstract and full-text perusing. Data was extracted including general information of studies, participants’ characteristics, therapeutic modality, overall survival and prognostic effect of factors. Hazard ratio (HR) for each factor was synthesized if available through fixed- or random-effect models as appropriate. Results A total of 63 eligible studies with 10,411 participants were identified. Overall, cases with thyroid cancer had the highest survival rate, while the ones with non-small cell lung cancer and hepatocellular carcinoma lived for the shorted survival time. Performance status, bone metastasis, number of involved vertebrae, visceral metastasis, primary tumor and neurological status were regarded as significant predictors in 71.4, 40.0, 18.2, 63.4, 73.1 and 44.7% of the involved studies respectively. Thirty-eight articles were included in meta-analysis, and prognostic effects of five factors (apart from primary tumor) were analyzed. Factors were all proved to be significant except comparisons between KPS (Karnofsky Performance Status) 10–40 VS. 50–70 and single VS. multiple spinal metastases. Conclusion All factors of RTS were significant on prognosis predicting and should be considered when choosing therapeutic modality for spinal metastases. What’s more, we believe that more accurate prognosis may be obtained after removal of the cut-offs for KPS 10–40 VS. 50–70 and single VS. multiple involved vertebrae. Electronic supplementary material The online version of this article (10.1186/s12885-018-5139-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiong-Gang Yang
- Department of Bone Tumor of Tianjin Hospital, Tianjin, 300211, China
| | | | - Yong-Cheng Hu
- Department of Bone Tumor of Tianjin Hospital, Tianjin, 300211, China.
| | | | - Feng Wang
- Tianjin Medical university, Tianjin, 300070, China
| | | | - Kun-Chi Hua
- Tianjin Medical university, Tianjin, 300070, China
| | - Li Yang
- Tianjin Medical university, Tianjin, 300070, China
| | - Hao Zhang
- Tianjin Medical university, Tianjin, 300070, China
| | - Ming-You Xu
- Tianjin Medical university, Tianjin, 300070, China
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Yang XG, Han Y, Wang F, Liu YH, Hu YC, Lun DX, Feng JT, Hua KC, Yang L, Zhang H, Xu MY, Zhang HR. Is Ambulatory Status a Prognostic Factor of Survival in Patients with Spinal Metastases? An Exploratory Meta-analysis. Orthop Surg 2018; 10:173-180. [PMID: 30133148 DOI: 10.1111/os.12393] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 06/04/2018] [Indexed: 01/31/2023] Open
Abstract
This study was conducted to identify the influence of ambulatory status prior to treatment on survival of patients with spinal metastases. Two investigators independently retrieved relevant electronic literature in PubMed, Embase, and Cochrane Library databases, to identify eligible studies. Effect estimates for hazard risk (HR) were extracted and synthesized through fixed-effects or random-effects models as appropriate. A total of 17 eligible studies were identified, with an accumulated number of 3962 participants. HR from 14 studies regarding comparison between ambulatory versus non-ambulatory groups were pooled using a random-effects model, and statistical significance was presented for the pooled HR (HR = 1.96; 95% confidence interval [CI], 1.65-2.34). In subgroups of mixed primary tumor and lung cancer, ambulatory status was considered to be a significant prognostic factor (P < 0.05), while in the subgroup of prostate cancer it was not (HR = 1.72; 95% CI, 0.79-3.74). HR from 4 studies related to comparison between Frankel E versus Frankel C-D were pooled using a fixed-effects model, which revealed statistical significance (HR = 1.73; 95% CI, 1.27-2.36). Ambulatory status is a significant prognostic factor in patients with spinal metastases. However, in patients with primary prostate cancer, the prognostic effect of ambulatory status has not yet been confirmed to be significant.
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Affiliation(s)
| | - Yue Han
- Department of Spine Surgery, Tianjin Hospital, Tianjin, China
| | - Feng Wang
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Yong-Heng Liu
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Yong-Cheng Hu
- Department of Bone Tumor, Tianjin Hospital, Tianjin, China
| | - Deng-Xing Lun
- Department of Spine Surgery, Weifang People's Hospital, Shandong, China
| | - Jiang-Tao Feng
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Kun-Chi Hua
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Li Yang
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Hao Zhang
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Ming-You Xu
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Hao-Ran Zhang
- Graduate School, Tianjin Medical University, Tianjin, China
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Wänman J, Grabowski P, Nyström H, Gustafsson P, Bergh A, Widmark A, Crnalic S. Metastatic spinal cord compression as the first sign of malignancy. Acta Orthop 2017; 88:457-462. [PMID: 28492105 PMCID: PMC5499341 DOI: 10.1080/17453674.2017.1319179] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background and purpose - Metastatic spinal cord compression (MSCC) as the initial manifestation of malignancy (IMM) limits the time for diagnostic workup; most often, treatment is required before the final primary tumor diagnosis. We evaluated neurological outcome, complications, survival, and the manner of diagnosing the primary tumor in patients who were operated for MSCC as the IMM. Patients and methods - Records of 69 consecutive patients (51 men) who underwent surgery for MSCC as the IMM were reviewed. The patients had no history of cancer when they presented with pain (n = 2) and/or neurological symptoms (n = 67). Results - The primary tumor was identified in 59 patients. In 10 patients, no specific diagnosis could be established, and they were therefore defined as having cancer of unknown primary tumor (CUP). At the end of the study, 16 patients were still alive (median follow-up 2.5 years). The overall survival time was 20 months. Patients with CUP had the shortest survival (3.5 months) whereas patients with prostate cancer (6 years) and myeloma (5 years) had the longest survival. 20 of the 39 patients who were non-ambulatory preoperatively regained walking ability, and 29 of the 30 ambulatory patients preoperatively retained their walking ability 1 month postoperatively. 15 of the 69 patients suffered from a total of 20 complications within 1 month postoperatively. Interpretation - Postoperative survival with MSCC as the IMM depends on the type of primary tumor. Surgery in these patients maintains and improves ambulatory function.
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Affiliation(s)
- Johan Wänman
- Departments of Surgical and Perioperative Sciences (Orthopedics), Umeå University, Umeå, Sweden.
| | - Pawel Grabowski
- Departments of Surgical and Perioperative Sciences (Orthopedics), Umeå University, Umeå, Sweden.
| | - Helena Nyström
- Departments of Community Medicine and Rehabilitation (Geriatrics), Umeå University, Umeå, Sweden.
| | - Patrik Gustafsson
- Departments of Surgical and Perioperative Sciences (Orthopedics), Umeå University, Umeå, Sweden.
| | - Anders Bergh
- Departments of Medical Biosciences (Pathology), Umeå University, Umeå, Sweden.
| | - Anders Widmark
- Departments of Radiation Sciences (Oncology), Umeå University, Umeå, Sweden
| | - Sead Crnalic
- Departments of Surgical and Perioperative Sciences (Orthopedics), Umeå University, Umeå, Sweden.;,Correspondence:
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McGivern UM, Drinkwater KJ, Clarke JIM, Locke I. A royal college of radiologists national audit of radiotherapy in the treatment of metastatic spinal cord compression and implications for the development of acute oncology services. Clin Oncol (R Coll Radiol) 2014; 26:453-60. [PMID: 24933650 DOI: 10.1016/j.clon.2014.04.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 03/10/2014] [Accepted: 03/18/2014] [Indexed: 10/25/2022]
Abstract
AIMS To audit the current use of radiotherapy in UK cancer centres for the treatment of metastatic spinal cord compression against national standards that seek to optimise functional and quality of life outcomes. MATERIALS AND METHODS A Royal College of Radiologists prospective national audit of patients treated with radiotherapy in UK cancer centres was carried out over a 3 month period between September and December 2008, with a repeat audit carried out in August 2012. RESULTS Five hundred and ninety-six cases were received from 42 cancer centres (74%) in 2008, with data from 323 cases received from 52 (90%) centres in 2012. Ninety-three per cent (358) of patients had a diagnostic magnetic resonance imaging scan carried out within 24 h of referral for radiotherapy in 2008 compared with 205 patients (97%) in 2012. One hundred and eleven (32%) good prognosis patients were discussed with spinal surgeons; only 10 good prognosis patients were recorded as proceeding to surgery in 2008. This improved in 2012, with 94 (41% of good prognosis patients recorded as having been discussed with nine proceeding to surgery). Sixty-nine per cent of paraplegic patients in 2008 received multiple fractions of radiotherapy, which was similar to 2012 when 62% received more than a single fraction. A metastatic spinal cord compression co-ordinator was available in just over 50% of cases (164/323) and was involved in patient management in 26% of cases in 2012. CONCLUSION Despite level 1 evidence of the superior functional outcome and survival benefit for surgery, few good prognosis patients were recorded as having been discussed with surgeons and even fewer proceeded to surgery.
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Affiliation(s)
- U M McGivern
- Belfast Health and Social Care Trust, Trust Headquarters, Belfast City Hospital, Belfast, UK.
| | | | - J I M Clarke
- Belfast Health and Social Care Trust, Trust Headquarters, Belfast City Hospital, Belfast, UK
| | - I Locke
- The Royal Marsden, Sutton, Surrey, UK
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Kato S, Hozumi T, Yamakawa K, Higashikawa A, Goto T, Shinohara M, Kondo T. Hormonal therapy with external radiation therapy for metastatic spinal cord compression from newly diagnosed prostate cancer. J Orthop Sci 2013; 18:819-25. [PMID: 23712788 DOI: 10.1007/s00776-013-0409-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Accepted: 04/22/2013] [Indexed: 02/09/2023]
Abstract
BACKGROUND Although hormonal therapy is effective for treatment of prostate cancer, its effect in the treatment of metastatic spinal cord compression (MSCC) has not been established. The objective of this study was to clarify the efficacy of conservative treatment of MSCC-induced paralysis resulting from prostate cancer for patients without a previous treatment history. METHODS We reviewed data from 38 patients with MSCC-induced paralysis from newly diagnosed prostate cancer who presented to our service between 1984 and 2010. Conservative treatment consisted of hormonal therapy with external radiation therapy (ERT). Patient demographic data, treatment details, involved spine MRI images, complications, and the course of neurologic recovery were investigated. RESULTS Twenty-five patients were treated conservatively. Mean follow-up period was 36.8 months. Sixteen patients (two with Frankel B, 14 with Frankel C) were unable to walk at initial presentation. After initiating conservative treatment, 75% (12 of 16) of these patients regained the ability to walk within 1 month, 88% (14 in 16) did so within 3 months, and all non-ambulatory patients did so within 6 months. No one had morbid complications. Four patients who did not regain the ability to walk at 1 month were found to have progressed to paraplegia rapidly, and tended to have severe compression as visualized on MRI, with a delay in the start of treatment in comparison with those who did so within 1 month (21.0 vs. 7.8 days). CONCLUSIONS Hormonal therapy associated with ERT is an important option for treatment of MSCC resulting from newly diagnosed prostate cancer.
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Affiliation(s)
- So Kato
- Department of Orthopaedic Surgery and Musculoskeletal Oncology, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan,
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Crnalic S, Hildingsson C, Bergh A, Widmark A, Svensson O, Löfvenberg R. Early diagnosis and treatment is crucial for neurological recovery after surgery for metastatic spinal cord compression in prostate cancer. Acta Oncol 2013; 52:809-15. [PMID: 22943387 DOI: 10.3109/0284186x.2012.705437] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Spinal cord compression is an oncological and surgical emergency. Delays in referral and diagnosis may influence functional outcome. It is therefore important to identify patients who will regain or maintain the ability to walk after surgery. The aim of the present study was to examine current practice for referral and diagnosis of prostate cancer patients with spinal cord compression and to identify prognostic factors for neurological outcome after surgery. PATIENTS AND METHODS The study includes 68 consecutive patients with prostate cancer who underwent surgery due to neurological compromise. Intervals from onset of neurological symptoms to referral, diagnosis, and treatment were analyzed in relation to functional outcome. The prognostic significance of preoperative clinical parameters on gait function one month after surgery was evaluated. RESULTS Patients who were referred from local hospitals had longer delay to surgery than those who directly presented to the cancer center (p = 0.004). The rate of diagnosis with MRI increased through the week and peaked on Friday, with few patients being diagnosed during weekends. The ability to walk before surgery, hormone-naive prostate cancer, and/or shorter time from loss of ambulation were associated with more favorable neurological outcome. In patients with hormone-refractory disease who were unable to walk before surgery regaining ambulation was associated with: duration of paresis < 48 hours (p = 0.005), good preoperative performance status (p = 0.04), preoperative PSA serum level < 200 ng/ml (p = 0.03), and surgery with posterior decompression and stabilization (p = 0.03). CONCLUSION Early diagnosis and rapid treatment of spinal cord compression in prostate cancer patients is crucial for neurological recovery. Raising awareness of the condition among patients at risk and among physicians is of outmost importance as well as improving local and regional guidelines for treatment.
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Affiliation(s)
- Sead Crnalic
- Department of Surgical and Perioperative Sciences, Orthopedics, Umeå University, Umeå, Sweden.
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Predicting survival for surgery of metastatic spinal cord compression in prostate cancer: a new score. Spine (Phila Pa 1976) 2012; 37:2168-76. [PMID: 22648028 DOI: 10.1097/brs.0b013e31826011bc] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN We retrospectively analyzed prognostic factors for survival in patients with prostate cancer operated for metastatic spinal cord compression. OBJECTIVE The aim was to obtain a clinical score for prediction of survival after surgery. SUMMARY OF BACKGROUND DATA Survival prognosis is important when deciding about treatment of patients with metastatic spinal cord compression. The criteria for identifying patients with prostate cancer who may benefit from surgical treatment are unclear. METHODS The study comprised 68 consecutive patients with prostate cancer operated for metastatic spinal cord compression at Umeå University Hospital, Sweden. The indication for surgery was neurological deficit; 53 patients had hormone-refractory prostate cancer and 15 patients had previously untreated, hormone-naïve prostate cancer. In 42 patients, posterior decompression was performed and 26 patients were operated with posterior decompression and stabilization. RESULTS A new score for prediction of survival was developed on the basis of the results of survival analyses. The score includes hormone status of prostate cancer, Karnofsky performance status, evidence of visceral metastasis, and preoperative serum prostate-specific antigen (PSA). The total scores ranged from 0 to 6. Three prognostic groups were formulated: group A (n = 32) with scores 0-1; group B (n = 23) with scores 2-4, and group C (n = 12) with scores 5-6. The median overall survival was 3 (0.3-20) months in group A, 16 (1.8-59) months in group B, and more than half (7 of 12) of patients were still alive in group C. CONCLUSION We present a new prognostic score for predicting survival of patients with prostate cancer after surgery for metastatic spinal cord compression. The score is easy to apply in clinical practice and may be used as additional support when making decision about treatment.
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Crnalic S, Hildingsson C, Wikström P, Bergh A, Löfvenberg R, Widmark A. Outcome after surgery for metastatic spinal cord compression in 54 patients with prostate cancer. Acta Orthop 2012; 83:80-6. [PMID: 21657974 PMCID: PMC3278662 DOI: 10.3109/17453674.2011.590761] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE The criteria for selecting patients who may benefit from surgery of spinal cord compression in metastatic prostate cancer are poorly defined. We therefore studied patients operated for metastatic spinal cord compression in order to evaluate outcome of surgery and to find predictors of survival. PATIENTS AND METHODS We reviewed the records of 54 consecutive patients with metastatic prostate cancer who were operated for spinal cord compression at Umeå University Hospital. The indication for surgery was neurological deficit due to spinal cord compression. 41 patients had hormone-refractory cancer and 13 patients had previously untreated, hormone-naïve prostate cancer. 29 patients were operated with posterior decompression only, and in 25 patients posterior decompression and stabilization was performed. RESULTS Preoperatively, 6/54 of patients were able to walk. 1 month after surgery, 33 patients were walking, 15 were non-ambulatory, and 6 had died. Mortality rate was 11% at 1 month, 41% at 6 months, and 59% at 1 year. In the hormone-naïve group, 8/13 patients were still alive with a median postoperative follow-up of 26 months. In the hormone-refractory group, median survival was 5 months. Patients with hormone-refractory disease and Karnofsky performance status (KPS) of ≤ 60% had median survival of 2.5 months, whereas those with KPS of 70% and KPS of ≥ 80% had a median survival of 7 months and 18 months, respectively (p < 0.001). Visceral metastases were present in 12/41 patients with hormone-refractory tumor at the time of spinal surgery, and their median survival was 4 months-as compared to 10 months in patients without visceral metastases (p = 0.003). Complications within 30 days of surgery occurred in 19/54 patients. INTERPRETATION Our results indicate that patients with hormone-naive disease, and those with hormone-refractory disease with good performance status and lacking visceral metastases, may be helped by surgery for metastatic spinal cord compression.
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Affiliation(s)
- Sead Crnalic
- Departments of Surgical and Perioperative Sciences (Orthopedics)
| | | | | | | | | | - Anders Widmark
- Radiation Sciences (Oncology), Umeå University, Umeå, Sweden
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Abu-Hegazy M, Wahba HA. Single-versus multi-fraction radiation treatment for metastatic spinal cord compression: functional outcome study. ACTA ACUST UNITED AC 2011. [DOI: 10.1007/s10330-011-0832-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lu L, Peters J, Roome C, Stein K. Cost-effectiveness analysis of degarelix for advanced hormone-dependent prostate cancer. BJU Int 2011; 109:1183-92. [PMID: 21883830 DOI: 10.1111/j.1464-410x.2011.10434.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To evaluate the cost-effectiveness of degarelix vs luteinizing hormone-releasing hormone analogue (triptorelin) plus short-term antiandrogen treatment for advanced prostate cancer. METHODS We developed a decision analytic model based on a clinical trial and literature review. The two interventions evaluated were: (i) monthly injection of degarelix and (ii) 3-monthly triptorelin therapy plus short-term flutamide, cyproterone or bicalutamide treatment. The model consisted of a decision tree monitoring a hypothetical cohort of patients aged 70 years from the start of hormonal treatment to the end of the first month, and a Markov model monitoring patients from the end of month 1 for a time horizon of 10 years (i.e. when 96% of patients are assumed to have died). The base-case analysis assumed patients present with asymptomatic metastatic prostate cancer. Costs and outcomes were collected over the model time horizon. Outcome measures were quality-adjusted life years (QALYs), lifetime costs and incremental cost-effectiveness ratios. Sensitivity analyses (one-way and multi-way) and probabilistic sensitivity analyses were conducted to explore the uncertainties around the assumptions. RESULTS In the base-case analysis, the incremental cost-effectiveness ratio (ICER) for degarelix vs triptorelin plus antiandrogen was £59,000 per QALY gained. The model was most sensitive to the rate of significant adverse events in the triptorelin plus antiandrogen group. The model was also sensitive to the assumed survival of patients with metastatic prostate cancer and the price of degarelix. The results of the probabilistic sensitivity analyses suggested that there was a low probability (9.6%) of degarelix being the most cost-effective treatment option when a willingness-to-pay threshold of £30,000 per QALY gained is assumed. CONCLUSION Degarelix is unlikely to be cost-effective compared to triptorelin plus short-term antiandrogen in the management of advanced prostate cancer with respect to the usual thresholds of cost-effectiveness used in the UK: £20,000-30,000 per QALY gained (used by the National Institute for Health and Clinical Excellence).
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Affiliation(s)
- Lanting Lu
- PenTAG, Peninsula College of Medicine and Dentistry, University of Exeter, UK.
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Dalle Carbonare L, Gasparetto A, Donatelli L, Dellantonio A, Valenti MT. Telomerase mRNA detection in serum of patients with prostate cancer. Urol Oncol 2011; 31:205-10. [PMID: 21353795 DOI: 10.1016/j.urolonc.2010.12.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Revised: 12/07/2010] [Accepted: 12/28/2010] [Indexed: 02/03/2023]
Abstract
Telomerase functions as a reverse transcriptase enzyme in the process of telomere synthesis and telomerase activity have been detected in a large part of neoplastic tissues, whereas in normal somatic cells they were low or undetectable. The aim of this study was to investigate the telomerase mRNA detection in the serum of patients with a prostate tumor by using real-time reverse transcription PCR. The results were compared with biological samples obtained by age-matched normal donors and by patients with cardiovascular or metabolic diseases. Our data demonstrated that telomerase mRNA is detectable in the serum of patients with prostate cancer whereas it is not amplifiable in normal donors. This marker, assayed with the molecular method of quantitative PCR in serum, may be useful for diagnosing and monitoring prostate cancer patients.
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Fattal C, Fabbro M, Gelis A, Bauchet L. Metastatic paraplegia and vital prognosis: perspectives and limitations for rehabilitation care. Part 1. Arch Phys Med Rehabil 2011; 92:125-33. [PMID: 21187215 DOI: 10.1016/j.apmr.2010.09.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Revised: 09/14/2010] [Accepted: 09/15/2010] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To evaluate the vital prognosis of patients with metastatic epidural spinal cord compression (MESCC) to determine the relevance and duration of physical medicine and rehabilitation (PM&R) admission. DATA SOURCES Publications from 1980 to January 2010 selected from 3 databases. STUDY SELECTION Publications reporting data correlated with survival and prognosis factors, highlighting publications with level A scientific evidence (prospective randomized controlled studies with significant casuistry and relevant judgment criteria). The work focused on patients with MESCC below T1. DATA EXTRACTION Standardized reading grid. DATA SYNTHESIS Thirty-eight studies met the inclusion criteria. Most were retrospective. For survival rate at 1 year, they reported data ranging from 12% to 58%. The 12-month and median survival rates were the data reported most often in the articles. The median survival rate ranged from 2.4 to 30 months, and 12-month survival rates ranged from 12% to 58%. Of publications that chose this parameter, 95% reported 12-month survival rates less than 55.2% (95th percentile) regardless of patients' functional status and associated risk factors (eg, location of primary cancer, metastases spreading, pretreatment ambulatory status). CONCLUSIONS Despite major progress in cancer care, patients with MESCC still have a limited vital prognosis. The relevance and duration of PM&R care must be evaluated against the patient's functional need for rehabilitation while making time for family. The hypothesis of a 1-month stay extended only once appears reasonable for patients to adapt to their new functional status without taking precious time away from their loved ones.
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Affiliation(s)
- Charles Fattal
- Centre Mutualiste Neurologique Propara, Montpellier, France.
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Metastatic paraplegia and functional outcomes: perspectives and limitations for rehabilitation care. Part 2. Arch Phys Med Rehabil 2011; 92:134-45. [PMID: 21187216 DOI: 10.1016/j.apmr.2010.09.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Revised: 09/14/2010] [Accepted: 09/15/2010] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To identify functional outcomes that could justify the need for a rehabilitation care program for patients with metastatic epidural spinal cord compression (MESCC) and paraplegia. DATA SOURCES Publications from 1950 to January 2010 selected from 3 databases. STUDY SELECTION Original articles dealing with outcome data for functional status, pain, and bladder dysfunction. DATA EXTRACTION Standardized reading grid. DATA SYNTHESIS The data are dominated by retrospective studies for even functional-related data, and studies from rehabilitation teams are rare. They report a functional evolution similar to a population with traumatic spinal cord injury for the first 3 months. Patients who were ambulatory before treatment retained their ability to walk, and patients who were nonambulatory before treatment could regain gait abilities. Data also showed a positive impact on pain and bladder and/or bowel dysfunction. CONCLUSIONS By restricting physical medicine and rehabilitation therapeutic care to a short time (1-2mo), the progression margin is possible in the short term and implies a voluntary and active therapeutic care approach for patients with paraplegia after MESCC on the basis of a codified and standardized program with clinical indicators, as well as patients' comfort indicators.
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Radiotherapy and radiosurgery for metastatic spine disease: what are the options, indications, and outcomes? Spine (Phila Pa 1976) 2009; 34:S78-92. [PMID: 19829280 DOI: 10.1097/brs.0b013e3181b8b6f5] [Citation(s) in RCA: 199] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Systematic literature review. OBJECTIVE To determine the options, indications, and outcomes for conventional radiotherapy and radiosurgery for metastatic spine disease. METHODS Three research questions were determined through a consensus among a multidisciplinary panel of spine oncology experts. A systematic review of the literature was conducted regarding radiotherapy and radiosurgery for metastatic spine disease using PubMed, Embase, the Cochrane Evidence Based Medicine Database, and a review of bibliographies of reviewed articles. RESEARCH QUESTIONS 1. What are the clinical outcomes of the current indications for conventional radiotherapy alone and stereotactic radiosurgery for metastatic spine disease? 2. What are the current dose recommendations and fractionation schedules for conventional spine radiotherapy and stereotactic radiosurgery for metastatic spine disease? 3. What are the current known patterns of failure and complications after conventional spine radiation and stereotactic radiosurgery for metastatic spine disease? RESULTS For conventional radiotherapy, the initial literature search yielded a total of 531 potentially relevant abstracts. Each of these abstracts was reviewed for relevance, and 62 were selected for in-depth review. Forty-nine studies met all the inclusion criteria. References from the articles included in the analysis and review articles were also examined for potential inclusion in the study. For conventional radiotherapy, 3 randomized trials (high-quality evidence), 4 prospective studies (moderate-quality evidence), and over 40 nonprospective data sets (low- or very-low-quality evidence) that included over 5000 patients in the literature were included in this review. Drawing from the same databases, a systematic search for radiosurgery yielded 195 abstracts, of which 29 met all inclusion criteria. They all represented single-institution reports (low- or very-low-quality data). No randomized data are available for spine radiosurgery. CONCLUSION A systematic review of the available evidence suggests that conventional radiotherapy is safe and effective with good symptomatic response and local control, particularly for radiosensitive histologies. A strong recommendation can be made with moderate quality evidence that conventional fractionated radiotherapy is an appropriate initial therapy option for patients with spine metastases in cases in which no relative contraindication exists. A systematic review of the available evidence suggests that radiosurgery is safe and provides an incremental benefit over conventional radiotherapy with more durable symptomatic response and local control independent of histology, even in the setting of prior fractionated radiotherapy. A strong recommendation can be made with low-quality evidence that radiosurgery should be considered over conventional fractionated radiotherapy for the treatment of solid tumor spine metastases in the setting of oligometastatic disease and/or radioresistant histology.
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Metastatic paraplegia: care management characteristics within a rehabilitation center. Spinal Cord 2008; 47:115-21. [DOI: 10.1038/sc.2008.75] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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20
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Outcome of early detection and radiotherapy for occult spinal cord compression. Radiother Oncol 2007; 85:469-72. [PMID: 18036691 DOI: 10.1016/j.radonc.2007.10.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2007] [Revised: 10/24/2007] [Accepted: 10/30/2007] [Indexed: 12/17/2022]
Abstract
Retrospective analysis in 150 patients with metastatic prostate cancer was conducted to determine whether early detection with MRI spine and treatment of clinically occult spinal cord compromise (SCC) facilitate preservation of neurologic function. Our results suggest that prophylactic radiotherapy for patients with back pain or radiological SCC without neurologic deficit may facilitate preservation of neurologic function. Thus MRI surveillance for SCC may be important for prostate cancer patients with bone metastases.
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Venkitaraman R, Sohaib SA, Barbachano Y, Parker CC, Khoo V, Huddart RA, Horwich A, Dearnaley DP. Detection of occult spinal cord compression with magnetic resonance imaging of the spine. Clin Oncol (R Coll Radiol) 2007; 19:528-31. [PMID: 17499490 DOI: 10.1016/j.clon.2007.04.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2006] [Revised: 02/19/2007] [Accepted: 04/11/2007] [Indexed: 11/19/2022]
Abstract
AIMS Spinal cord compression (SCC) is the most significant complication due to skeletal metastasis from prostate cancer. The early detection of SCC is essential as the neurological status before treatment is the major determinant influencing outcome. The aim of this investigation was to determine the role of magnetic resonance imaging of the spine in detecting SCC or occult SCC in patients with metastatic prostate cancer with no functional neurological deficit (FND). MATERIALS AND METHODS A retrospective analysis of the clinical data of 150 consecutive patients with metastatic prostate cancer and no FND, who had MRI of the spine from January 2001 to May 2005, was carried out. 'Overt SCC' on MRI was defined as the involvement or compression of either the spinal cord or the cauda equina by an epidural or intramedullary mass lesion and 'occult SCC' as metastatic disease causing impingement, indentation or loss of definition of the thecal sac, which were considered together for statistical purposes as radiological spinal cord compromise (rSCC). RESULTS Twenty-four (16%) patients had overt SCC, whereas 17 (11.3%) patients had occult SCC. Seven patients had rSCC at multiple non-contiguous sites. The significant clinical determinants of rSCC on univariate analysis were extensive bone metastasis (P=0.005) and back pain (P=0.002). On multivariate analysis, both back pain (P=0.012) and extensive bone metastasis (P=0.047) significantly predicted for rSCC. CONCLUSION A significant proportion (27.3%) of patients with metastatic prostate cancer may harbour overt or occult SCC in the absence of FND. MRI of the spine for the early diagnosis of SCC may be considered useful in patients with extensive skeletal metastasis and back pain.
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Affiliation(s)
- R Venkitaraman
- Academic Urology Unit, Royal Marsden Hospital, Sutton, Surrey, UK
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22
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Clarke NW. Management of the Spectrum of Hormone Refractory Prostate Cancer. Eur Urol 2006; 50:428-38; discussion 438-9. [PMID: 16797118 DOI: 10.1016/j.eururo.2006.05.017] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2005] [Accepted: 05/12/2006] [Indexed: 11/23/2022]
Abstract
INTRODUCTION In its advanced stages, hormone refractory prostate cancer (HRPC) is an incurable condition which consists of a spectrum of disease. This requires an integrated multidisciplinary approach by an uro-oncologic team supported by radiologists, skeletal surgeons and palliative care. Aim of this review was to critically evaluate the current and potential approaches to patients affected by HRPC. MATERIALS AND METHODS A comprehensive evaluation of available published data included analysis of published full-length papers that were identified with Medline and Cancerlit from January 1981 to January 2006. Official proceedings of internationally known scientific societies held in the same time period were also assessed. RESULTS Most men with hormone refractory prostate cancer will die of their disease in the absence of intercurrent illness, and the various conditions arising as a consequence of local and distal cancer progression commonly lead to a spectrum of morbidity requiring treatment. Recent data regarding docetaxel-based chemotherapy have shown small but significant improvements in survival and improvement in quality of life in men receiving treatment. However, this therapy may not be suitable for all patients. New agents used alone or in combination with docetaxel currently are under trial in an attempt to provide much needed improvements in outcome. Bone-targeted treatments, particularly late-generation bisphosphonates, have added to the range of options, reducing the incidence of skeletal complications in some men. Further work is needed to target their use more effectively, to explore their efficacy in combination with existing proven therapies and to develop new approaches to treat bone metastases. Complications arising as a consequence of upper and lower tract dysfunction, haematologic, neurologic and psychologic disorders are common. These complications often are amenable to effective treatment, but interventions may engender difficult clinical and ethical decisions. CONCLUSIONS Although HRPC is incurable, it is not untreatable, and that the clinical management embraces not just chemotherapy, but many interventional and supportive therapies. A holistic and supportive approach to patient care is vital for optimal management, and is best provided by a coordinated, multidisciplinary team including urologists and oncologists.
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Affiliation(s)
- Noel W Clarke
- Christie Hospital and Salford Royal Hospitals NHS Trusts, Manchester, UK.
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James ND, Bloomfield D, Luscombe C. The changing pattern of management for hormone-refractory, metastatic prostate cancer. Prostate Cancer Prostatic Dis 2006; 9:221-9. [PMID: 16801939 DOI: 10.1038/sj.pcan.4500880] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Prostate cancer responds initially to hormonal manipulation by androgen withdrawal and peripheral androgen blockade. The inevitable progression to a hormone-refractory state is accompanied by an exacerbation of local symptoms and metastatic spread, principally to the bones, which has a considerable impact on quality of life and survival. Treatment of hormone-refractory prostate cancer is palliative, and surgery and radiotherapy are used for the relief of lower urinary tract symptoms and localized painful bony metastases. Systemic treatments are not widely accepted in this setting, but clinical trials have demonstrated the potential for bone targeting agents such as strontium-89 and the bisphosphonates to palliate painful bone metastases and to delay progression in certain settings. Chemotherapy with mitozantrone in combination with steroids has previously been shown to have palliative benefits and to delay progression. The additional costs incurred by the use of chemotherapy or bone-targeting therapies may be offset by gains in overall care with fewer in-patient admissions compared with steroid monotherapy. Recent clinical trials have demonstrated that docetaxel significantly improves patient quality of life, and importantly, increases survival. Future studies investigating the timing of chemotherapy, combinations with existing treatments or other novel therapies are underway.
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Affiliation(s)
- N D James
- Cancer Research UK Institute for Cancer Studies, University of Birmingham, Birmingham, UK.
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24
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Rades D, Stalpers LJA, Veninga T, Rudat V, Schulte R, Hoskin PJ. Evaluation of Functional Outcome and Local Control After Radiotherapy for Metastatic Spinal Cord Compression in Patients With Prostate Cancer. J Urol 2006; 175:552-6. [PMID: 16406994 DOI: 10.1016/s0022-5347(05)00241-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2005] [Indexed: 10/25/2022]
Abstract
PURPOSE Patients with prostate cancer with metastatic spinal cord compression have better survival prognosis than other patients with MSCC and may live long enough to develop a local recurrence of MSCC. This study investigates prognostic factors and radiation schedules for functional outcome and local control of MSCC after radiotherapy in patients with prostate cancer. MATERIALS AND METHODS A total of 281 patients irradiated between January 1992 and December 2003 were included. Potential prognostic factors were investigated including age, performance status, number of involved vertebra, pretreatment ambulatory status, time of developing motor deficits before RT and radiation schedule--short course RT (1x8/5x4 Gy) vs long course RT (10x3/15x2.5/20x2 Gy). RESULTS Overall response to RT was 86% (33% improvement of motor function, 53% no further progression). Of the nonambulatory patients 33% regained the ability to walk. On multivariate analysis functional outcome was significantly affected by the time of developing motor deficits before RT (more than 14 days better than 8 to 14 days and 1 to 7 days, p <0.001) and number of involved vertebrae (1 to 2 better than 3 or more, p = 0.013), but not by the radiation schedule (p = 0.859). The 2-year local control of MSCC was 84% depending on the radiation schedule (better after long course RT, p = 0.001). CONCLUSIONS Functional outcome after RT was significantly influenced by the time of developing motor deficits before RT and number of involved vertebra. Local control was significantly better after application of long course RT. Patients with a poor expected survival could be treated with short course RT, because a short treatment time means less discomfort for the patient. For patients with good survival prognosis, long course RT should be applied to achieve better local control.
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Affiliation(s)
- Dirk Rades
- Department of Radiation Oncology, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
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25
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Spinazzé S, Caraceni A, Schrijvers D. Epidural spinal cord compression. Crit Rev Oncol Hematol 2005; 56:397-406. [PMID: 16310372 DOI: 10.1016/j.critrevonc.2005.04.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2005] [Accepted: 04/15/2005] [Indexed: 11/27/2022] Open
Abstract
Spinal cord compression from epidural metastases (epidural spinal cord compression, ESCC) is the most common neurological complication of cancer after brain metastases. Extradural compression represents 97% of spinal cord metastatic lesions. ESCC usually occurs in patients with disseminated disease. The most common tumours associated with ESCC are lung and breast cancers, followed by lymphoma, myeloma, prostate cancer and sarcoma. ESCC represents a medical emergency because delayed treatment can be responsible for irreversible deficits, such as paralysis and loss of sphincter control. Patients with ESCC require a multidisciplinary diagnostic and therapeutic approach. Clinical suspect is radiologically detected for confirmation. The median expected survival time from diagnosis usually ranges from 3 to 6 months. The nature of the primary tumour and the degree of the neurological deficit are the most important factors affecting survival. The lack of prospective randomized trials makes the optimal treatment of ESCC controversial and the decision is to be tailored to the individual. Treatment options include: bed rest, administration of corticosteroids, surgery followed by radiation therapy, radiotherapy alone and, to a limited extent, chemotherapy and hormonal therapy.
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Bracarda S, de Cobelli O, Greco C, Prayer-Galetti T, Valdagni R, Gatta G, de Braud F, Bartsch G. Cancer of the prostate. Crit Rev Oncol Hematol 2005; 56:379-96. [PMID: 16310371 DOI: 10.1016/j.critrevonc.2005.03.010] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2005] [Accepted: 03/16/2005] [Indexed: 11/24/2022] Open
Abstract
Prostate carcinoma, with about 190,000 new cases occurring each year (15% of all cancers in men), is the most frequent cancer among men in northern and western Europe. Causes of the disease are essentially unknown, although hormonal factors are involved, and diet may exert an indirect influence; some genes, potentially involved in hereditary prostate cancer (HPC) have been identified. A suspect of prostate cancer may derive from elevated serum prostate-specific antigen (PSA) values and/or a suspicious digital rectal examination (DRE) finding. For a definitive diagnosis, however, a positive prostate biopsy is requested. Treatment strategy is defined according to initial PSA stage, and grade of the disease and age and general conditions of the patient. In localized disease, watchful waiting is indicated as primary option in patients with well or moderately differentiated tumours and a life expectancy <10 years, while radical prostatectomy and radiotherapy (with or without hormone-therapy) could be appropriate choices in the remaining cases. Hormone-therapy is the treatment of choice, combined with radiotherapy, for locally advanced or bulky disease and is effective, but not curative, in 80-85% of the cases of advanced disease. Patients who develop a hormone-refractory prostate cancer disease (HRPC) have to be evaluated for chemotherapy because of the recent demonstration of improved overall survival (2-2.5 months) and quality of life with docetaxel in more than 1,600 cases.
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Abstract
PURPOSE Urological malignancies are relatively common and patients often live many years with disease. There are many effective medical and surgical palliative treatments, although few comprehensive guidelines have been published. We reviewed the various palliative treatments available for the 3 most common urological malignancies, namely prostate cancer, bladder cancer and renal cancer. MATERIALS AND METHODS A literature search of the last 15 years was performed using MEDLINE/PubMed. In addition, relevant journals were targeted for specific information related to this review. Our clinical experience was combined with the current literature to create guidelines for palliative care. RESULTS Several effective treatments are available for the palliative care of patients with prostate, bladder or renal cancer. Options in palliative care are varied with regard to invasiveness, morbidity, risks and benefits. The algorithms described provide a framework to a sequential approach to achieving palliation. Urologists are central to initiating care and referrals to improve outcomes in these patients. CONCLUSIONS Palliative care includes disease directed treatment as well as functional, psychosocial and spiritual support. Disease directed therapy and palliative care should be provided simultaneously throughout illness. Improved quality of care and quality of life as well as physician satisfaction are frequent outcomes of this approach. Supportive care begins at initial diagnosis and it should be flexible to meet the changing needs of patients with cancer and their families.
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Affiliation(s)
- Joon-Ha Ok
- Department of Urology, University of California-Davis, Sacramento, California 95817, USA
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Abstract
For advanced prostate cancer - not including intermittent strategies - the patient is in continual treatment. The effect of the therapy must be controlled so that its failure can be determined as soon as possible and a new regimen started. As in most cases the progression of the disease can not be stopped, the aim of the therapy is to provide the patient with the best possible quality of life. In order to carry out therapy, if possible in the patient's usual environment, supportive therapies should be used, such as compensation for anaemia or pain therapy as required. Skeletal complications can be prophylactically treated by the use of biphosphonates.
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Affiliation(s)
- K Heine
- Urologische Klinik, Caritaskrankenhaus, Bad Mergentheim
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Rades D, Stalpers LJA, Veninga T, Schulte R, Hoskin PJ, Obralic N, Bajrovic A, Rudat V, Schwarz R, Hulshof MC, Poortmans P, Schild SE. Evaluation of five radiation schedules and prognostic factors for metastatic spinal cord compression. J Clin Oncol 2005; 23:3366-75. [PMID: 15908648 DOI: 10.1200/jco.2005.04.754] [Citation(s) in RCA: 218] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
PURPOSE To study five radiotherapy (RT) schedules and potential prognostic factors for functional outcome in metastatic spinal cord compression (MSCC). PATIENTS AND METHODS One thousand three hundred four patients who were irradiated from January 1992 to December 2003 were included in this retrospective review. The schedules of 1 x 8 Gy in 1 day (n = 261), 5 x 4 Gy in 1 week (n = 279), 10 x 3 Gy in 2 weeks (n = 274), 15 x 2.5 Gy in 3 weeks (n = 233), and 20 x 2 Gy in 4 weeks (n = 257) were compared for motor function, ambulatory status, and in-field recurrences. The following potential prognostic factors were investigated: age, sex, performance status, histology, number of involved vertebra, interval from cancer diagnosis to MSCC, pretreatment ambulatory status, and time of developing motor deficits before RT. A multivariate analysis was performed with the ordered logit model. RESULTS Motor function improved in 26% (1 x 8 Gy), 28% (5 x 4 Gy), 27% (10 x 3 Gy), 31% (15 x 2.5 Gy), and 28% (20 x 2 Gy); and posttreatment ambulatory rates were 69%, 68%, 63%, 66%, and 74% (P = .578), respectively. On multivariate analysis, age, performance status, primary tumor, involved vertebra, interval from cancer diagnosis to MSCC, pretreatment ambulatory status, and time of developing motor deficits were significantly associated with functional outcome, whereas the RT schedule was not. Acute toxicity was mild, and late toxicity was not observed. In-field recurrence rates at 2 years were 24% (1 x 8 Gy), 26% (5 x 4 Gy), 14% (10 x 3 Gy), 9% (15 x 2.5 Gy), and 7% (20 x 2 Gy) (P < .001). Neither the difference between 1 x 8 Gy and 5 x 4 Gy (P = .44) nor between 10 x 3 Gy, 15 x 2.5 Gy, and 20 x 2 Gy (P = .71) was significant. CONCLUSION The five RT schedules provided similar functional outcome. The three more protracted schedules seemed to result in fewer in-field recurrences. To minimize treatment time, the following two schedules are recommended: 1 x 8 Gy for patients with poor predicted survival and 10 x 3 Gy for other patients. Results should be confirmed in a prospective randomized trial.
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Affiliation(s)
- Dirk Rades
- Department of Radiation Oncology, University Hospital Hamburg, Martinistr. 52, D-20246 Hamburg, Germany.
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Eriks IE, Angenot ELD, Lankhorst GJ. Epidural metastatic spinal cord compression: functional outcome and survival after inpatient rehabilitation. Spinal Cord 2004; 42:235-9. [PMID: 15060521 DOI: 10.1038/sj.sc.3101555] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN Retrospective descriptive study. OBJECTIVES (1). To obtain an overall appraisal of patients with epidural metastatic spinal cord compression (SCC) admitted to nine Dutch spinal cord units (SCUs) between 01-01-1990 and 01-01-2000. (2). To identify factors that predict survival >1 year after in-patient rehabilitation of patients with epidural metastatic SCC. SETTING Dutch SCUs. Rehabilitation Center Amsterdam, Amsterdam. Rehabilitation Center Heliomare, Wijk aan Zee. Rehabilitation Center De Hoogstraat, Utrecht. Rehabilitation Center Rijndam, Rotterdam. Rehabilitation Center Sophia Stichting, Den Haag. Rehabilitation Center Beatrixoord, Haren. Rehabilitation Center Het Roessingh, Enschede. Rehabilitation Center Sint Maartenskliniek, Nijmegen. Rehabilitation Center SRL Hoensbroeck, Hoensbroek. METHODS (1). Clinical records were reviewed and demographic, clinical and functional data were collected according to a protocol. The date of admittance to the SCU, rehabilitation goals, date of discharge and date of death were recorded. (2). The odds ratio (OR) was calculated for all determinants on admittance to the SCU in order to find indicators that predict survival >1 year after discharge from the SCU. An OR >or=2 was considered to be clinically significant. RESULTS In total, 131 patients with epidural metastatic SCC were admitted. In all, 117 clinical records were retrieved and 97 clinical records provided complete data. The average age on admittance was 58 years. Among the patients 53% were male. The average Barthel score on admittance was 7.2/20 points. The average length of stay in the SCU was 104 days (3-336). Overall, 66% of the patients were discharged. The average Barthel score on discharge was 12.0 points. The average survival after discharge was 808 (0-3669) days. During their stay on the SCU, seven patients died. At 1 year after discharge, 52% of the patients were still alive. These patients suffered less complications, had been admitted less often to a hospital during rehabilitation, had made better functional progress and had been discharged home more often. A survival >1 year after discharge is related to ASIA D (OR 4.3), MRC 4 and 5 (OR 5.4), tumour in remission (OR 3.8) and independence or partial independence on the Barthel items: dressing (OR 4.3) and making transfers (OR 5.0). CONCLUSIONS Patients with epidural metastatic SCC may benefit from in-patient rehabilitation.
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Affiliation(s)
- I E Eriks
- Rehabilitation Center Amsterdam, Overtoom 283, 1054 HW, Amsterdam, The Netherlands
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Pease N, Harris R, Finlay I. Development and audit of a care pathway for the management of patients with suspected malignant spinal cord compression. Physiotherapy 2004. [DOI: 10.1016/s0031-9406(03)00006-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Tazi H, Manunta A, Rodriguez A, Patard JJ, Lobel B, Guillé F. Spinal Cord Compression in Metastatic Prostate Cancer. Eur Urol 2003; 44:527-32. [PMID: 14572749 DOI: 10.1016/s0302-2838(03)00355-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
INTRODUCTION Spinal cord compression (SCC) in metastatic prostate cancer is not rare occurring in 1 to 12% of patients. We have analysed patients treated for this condition in our institution assessing outcome and prognostic factors. MATERIAL AND METHODS Retrospective analysis of the notes of 24 patients hospitalised with SCC due to metastatic prostate cancer from 1987 to 2001. RESULTS At presentation 3 patients were ambulant with mild neurological deficit, 12 patients were paraparetic and 9 patients were paraplegic. Diagnosis was established by emergency myelogram, CT-scan or MRI of the spine. 8 patients had received no hormone treatment prior to diagnosis of SCC. 19 patients presented dorsal or lumbar pain requiring opioid treatment on average 60 days before onset of neurological symptoms (range 10-840). All patients underwent steroid treatment; the 8 patients without prior hormone therapy were treated with bilateral orchidectomy, 1 out of these 8 patients had castration without other treatments; 12 patients underwent radiotherapy alone and 9 radiotherapy and laminectomy; 2 patients were in terminal conditions and receive only steroid treatment. Overall 15/24 patients were ambulant after treatment. 8 out of 9 patients treated by laminectomy and radiotherapy were ambulant after treatment versus 7 out of 12 patients treated by radiotherapy alone.17 patients died during follow-up with a median survival of 4 months (2 weeks to 49 months). 7 patients were alive at the last control with a mean follow-up of 10 months (range 4-40). CONCLUSION Outlook in patients with spinal cord compression from metastatic prostate cancer is poor. Efforts must be concentrated on prevention of spinal cord compression. Patients with hormone resistant prostate cancer who develop persistent back pain should undergo imaging studies (bone scan, spine CT-scan or MNR) and prophylactic local radiotherapy to the spine if bony metastases are identified.
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Affiliation(s)
- H Tazi
- Service d'Urologie, Centre Hospitalier Universitaire Pontchaillou, Rue Henri Le, Guilloux, 35033 Cedex, Rennes, France
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Affiliation(s)
- N W Clarke
- Christie Hospital NHS Trust and Salford Royal Hospitals NHS Trust, Manchester, UK.
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Guo Y, Young B, Palmer JL, Mun Y, Bruera E. Prognostic factors for survival in metastatic spinal cord compression: a retrospective study in a rehabilitation setting. Am J Phys Med Rehabil 2003; 82:665-8. [PMID: 12960907 DOI: 10.1097/01.phm.0000083662.85497.1f] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Metastatic spinal cord compression (MSCC) occurs in 5-10% of all patients with cancer, and it is associated with short survival durations. Patients with MSCC may also have functional loss and require rehabilitation before discharge from the hospital. The purposes of this retrospective study were to identify clinical and social variables that had a significant impact on survival of patients with MSCC who underwent inpatient rehabilitation. DESIGN A total of 60 consecutive patients with MSCC who were admitted to the inpatient rehabilitation unit at our tertiary care cancer center between 1996 and 1998 were included. Age, discharge destination, primary tumor site, metastasis, comorbidity, hemoglobin and albumin levels, treatment rendered for MSCC, opioids used, and psychological symptoms were examined as variables, and the Kaplan-Meier survival analysis was used. RESULTS Our study showed that most of the variables we examined had no significant influence on survival time (median, 4.1 mo), with the exception of gastrointestinal cancer; patients with gastrointestinal cancer had a poorer prognosis (median survival durations, 0.6 mo; P < 0.0001). We also found a 1-mo gap between the time of diagnosis and the time of transfer to the rehabilitation unit. CONCLUSION This study suggests that rehabilitation programs for patients with MSCC should be of short duration and that early referral (i.e., when the patient is diagnosed of MSCC) to the rehabilitation service should be encouraged.
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Affiliation(s)
- Ying Guo
- Department of Palliative Care and Rehabilitation Medicine, University of Texas, M. D. Anderson Cancer Center, Houston 77030, USA
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Levack P, Graham J, Collie D, Grant R, Kidd J, Kunkler I, Gibson A, Hurman D, McMillan N, Rampling R, Slider L, Statham P, Summers D. Don't wait for a sensory level--listen to the symptoms: a prospective audit of the delays in diagnosis of malignant cord compression. Clin Oncol (R Coll Radiol) 2002; 14:472-80. [PMID: 12512970 DOI: 10.1053/clon.2002.0098] [Citation(s) in RCA: 136] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AIM To report details concerning symptoms (especially pain) preceding the development of malignant cord compression (MCC); delays between onset/reporting of symptoms and confirmed diagnosis of MCC; accuracy of investigations carried out. METHODS A prospective observational study examined the diagnosis, management and outcome of 319 patients diagnosed with MCC at three Scottish cancer centres between January 1998-April 1999. The process was considered from the perspectives of the patient, the GP and the hospital doctor. RESULTS At diagnosis, most patients (82%) were either unable to walk or only able to do so with help. Pain was reported by nearly all patients interviewed (94%) and had been present for approximately 3 months (median=90 days). It was severe in 84% of cases, with the distribution and characteristics of nerve root pain in 79%. The site of pain did not correspond to the site of compression. Where reported, weakness and/or sensory problems had been noticed by the patient for some time before diagnosis (median intervals 20 and 12 days, respectively). Most patients reported early symptoms to their General Practitioner (GP) and diagnosis was established, following referral and investigation, approximately 2 months (median=66 days) later. CONCLUSION Patients who develop spinal metastases are at risk of irreversible spinal cord damage. Weakness and sensory abnormalities are reported late and identified even later, despite patients having reported pain for a considerable time. Patients with cancer who describe severe back or spinal nerve root pain need urgent assessment on the basis of their symptoms, as signs may occur too late. Plain films and bone scans requested for patients in this audit predicted accurately the level of compression in only 21% and 19% of cases, respectively. The only accurate investigation to establish the presence and site of a compressive lesion is magnetic resonance imaging (MRI). A referral guideline based on suspicious symptoms in addition to suspicious signs is suggested.
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Affiliation(s)
- P Levack
- Roxburghe House & Ninewells Hospital, Dundee, UK
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Hardy JR, Huddart R. Spinal cord compression--what are the treatment standards? Clin Oncol (R Coll Radiol) 2002; 14:132-4. [PMID: 12069121 DOI: 10.1053/clon.2001.0054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Ghogawala Z, Mansfield FL, Borges LF. Spinal radiation before surgical decompression adversely affects outcomes of surgery for symptomatic metastatic spinal cord compression. Spine (Phila Pa 1976) 2001; 26:818-24. [PMID: 11295906 DOI: 10.1097/00007632-200104010-00025] [Citation(s) in RCA: 212] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A retrospective chart review was performed. OBJECTIVE To determine whether preoperative spinal radiation increases the number of major wound complications in patients with cancer who have symptomatic spinal cord compression. SUMMARY OF BACKGROUND DATA Many factors have increased the number of patients hospitalized with symptomatic spinal cord compression after spinal irradiation. The surgical management of metastatic spinal cord compression may be complicated by preoperative radiation. METHODS A retrospective review of 123 patients admitted with symptomatic metastatic spinal cord compression from 1970 through 1996 was conducted. The final study population of 85 patients was separated into three treatment groups: 1) radiation only, 2) radiation followed by surgery, and 3) de novo surgery followed by radiation. RESULTS The major wound complication rate for patients who had radiation before surgical decompression and stabilization was 32%, or threefold, higher than the 12% observed in patients who had de novo surgery (P < 0.05). No other clinical factor or condition predicted the development of a major wound complication. Patients treated initially with surgery had superior functional outcomes in an analysis stratified by Frankel grade (P < 0.05). Of the ambulatory patients who underwent de novo surgery, 75% remained ambulatory and continent 30 days after treatment, whereas only 50% of those treated with radiation before surgery had similar outcomes. CONCLUSIONS Spinal radiation before surgical decompression for metastatic spinal cord compression is associated with a significantly higher major wound complication rate. In addition, preoperative spinal irradiation might adversely affect the surgical outcome.
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Affiliation(s)
- Z Ghogawala
- Departments of Neurosurgery and Orthopedics, Massachusetts General Hospital, Boston 02114, USA
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Brown PD, Stafford SL, Schild SE, Martenson JA, Schiff D. Metastatic spinal cord compression in patients with colorectal cancer. J Neurooncol 1999; 44:175-80. [PMID: 10619502 DOI: 10.1023/a:1006312306713] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND A retrospective study was performed to examine the outcome of patients with colorectal cancer who had metastatic spinal cord compression (MSCC) and received radiation therapy (RT). METHODS Forty episodes of MSCC were treated with external beam RT in 34 patients with metastatic colorectal cancer. The median total dose was 3000 cGy (1800-4750 cGy), and the daily fraction size was 300 cGy (151-400 cGy). All patients were followed until death. RESULTS Median overall survival for the entire cohort was 4.1 months. Of 21 patients ambulatory before RT, 20 remained ambulatory after treatment, whereas only 2 of 9 patients who were nonambulatory regained full ambulatory status. Patients with rectal primary tumors had improved survival (median 7.9 months) compared with those who had colon primary tumors (2.7 months) (P = 0.002). Patients who received a total dose of more than 3000 cGy had a better survival (7 months) than those who received 3000 cGy or less (3.1 months) (P = 0.024). There was a trend for improved survival in patients fully ambulatory at diagnosis (P = 0.056) and after RT (P = 0.07). Unlike other primary sites in which approximately 70% of lesions are located in the thoracic spine, the location of epidural metastasis in colorectal primary tumors was most frequently in the lumbar spine (55% of lesions). CONCLUSIONS Prognostic features and outcomes for MSCC with primary colorectal cancer are similar to those for other primary sites. There is a suggestion that rectal primary tumors may be associated with an improved outcome compared with colon primary tumors. Patients who received more than 3000 cGy total dose had a longer survival than those who received lower total doses.
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Affiliation(s)
- P D Brown
- Division of Radiation Oncology, Mayo Clinic and Mayo Foundation, Rochester, MN 55905, USA
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Esper P, Redman BG. Supportive care, pain management, and quality of life in advanced prostate cancer. Urol Clin North Am 1999; 26:375-89. [PMID: 10361560 DOI: 10.1016/s0094-0143(05)70077-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Despite achievements in the area of providing care for patients with advanced prostate cancer, ample work remains. Additional research is needed regarding the control of pain from bone metastases and the management of fatigue and urinary symptoms. Investigators have only begun to explore the area of quality of life research in patients with prostate cancer. Other issues not addressed in this article that are significant to the care of these patients include caregiver burden and end-of-life care. These areas significantly affect quality of life. The supportive care, pain management, and quality of life issues discussed herein present many challenges to health care providers. Close attention to what patients tell us about their care will make the challenge more attainable and the caregiving more satisfying.
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Affiliation(s)
- P Esper
- University of Michigan Comprehensive Cancer Center, Ann Arbor, USA.
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van der Sande JJ, Boogerd W, Kröger R, Kappelle AC. Recurrent spinal epidural metastases: a prospective study with a complete follow up. J Neurol Neurosurg Psychiatry 1999; 66:623-7. [PMID: 10209174 PMCID: PMC1736336 DOI: 10.1136/jnnp.66.5.623] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES Prospective studies with a complete follow up in patients with spinal epidural metastases (SEM) are rare, so little is known of the incidence and relevance of recurrent spinal epidural metastases (RSEM). This prospective study was undertaken as a part of a previously started and extended prospective study to determine the occurrence and details of RSEM. METHODS Patients with SEM of various primary malignancies were followed up until death. The diagnosis was confirmed after neurological examination by imaging studies visualising not only the clinically suspected level, but also as much of the spinal canal as possible. RESULTS Recurrent spinal epidural metastases (RSEM) occurred in 21 of the 103 patients (20%) after a median interval of 7 months and, after treatment, a second recurrence occurred in 11 patients (11%), a third recurrence in two patients (2%), and a sixth recurrence in one patient (1%). RSEM developed about as often at the initial level (55%) as at a different level (45%), did not occur more often in patients with initially multiple SEM, but, not surprisingly, occurred much more often in patients with longer survival. About one half of the patients surviving 2 years, and nearly all patients surviving 3 years or longer developed RSEM. Ambulatory state could be preserved in most patients, even after their second recurrence. CONCLUSION RSEM are common and even several episodes of RSEM in the same patient are not rare. Patients with SEM who survive long enough have a high risk of RSEM and prompt treatment of RSEM to maintain the ambulatory state of the patient is valuable.
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Affiliation(s)
- J J van der Sande
- Neurological Division, Antoni van Leeuwenhoekziekenhuis, Amsterdam, The Netherlands
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