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Combination of Extracorporeally-irradiated Autograft and Vascularized Bone Graft for Reconstruction of Malignant Musculoskeletal Tumor.

体外照射自体骨移植与血管化骨移植联合重建恶性肌肉骨骼肿瘤。

  • 影响因子:1.90
  • DOI:10.21873/anticanres.14113
  • 作者列表:"Mihara A","Muramatsu K","Hashimoto T","Iwanaga R","Ihara K","Sakai T
  • 发表时间:2020-03-01
Abstract

BACKGROUND:Reconstruction after wide resection of a malignant musculoskeletal tumor is challenging. We performed biological reconstruction with an extracorporeally-irradiated autograft in combination with a vascularized bone graft. PATIENTS AND METHODS:Fifteen patients who underwent curative resection of malignant musculoskeletal tumor followed by reconstruction with this method were included. Oncological outcomes, survival of the graft, radiological findings and functional outcomes were reviewed. RESULTS:No local recurrences were detected from the irradiated bones, and 93% of the vascularized bone grafts survived. The mean MSTS score was 24.8 in all cases, 22.9 in the osteoarticular cases, and 27 in the intercalary cases. The intercalary tibia cases showed excellent results with a mean MSTS score of 29.3. CONCLUSION:This method has the advantage of combining the mechanical quality of an irradiated autograft and biological quality of a vascularized bone graft. The best indication of this method is for intercalary defects of the tibia.

摘要

背景: 恶性肌肉骨骼肿瘤广泛切除后的重建具有挑战性。我们用体外照射的自体移植物结合血管化骨移植物进行了生物学重建。 患者和方法: 15 例接受恶性肌肉骨骼肿瘤根治性切除后重建的患者。对肿瘤结局、移植物存活、放射学表现和功能结局进行了综述。 结果: 照射后骨无局部复发,93% 的血管化植骨存活。所有病例的平均MSTS评分为 24.8,骨关节病例为 22.9,intercal骨病例为 27。Intercal胫骨病例显示出优异的结果,平均MSTS评分为 29.3。 结论: 该方法具有辐照自体骨移植的机械质量和血管化骨移植的生物学质量相结合的优点。这种方法的最佳适应症是胫骨intercal骨缺损。

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影响因子:2.12
发表时间:2020-03-01
DOI:10.1259/bjr.20180883
作者列表:["Tran S","Puric E","Walser M","Poel R","Datta NR","Heuberger J","Pica A","Marder D","Lomax N","Bolsi A","Morach P","Bachtiary B","Seddon BM","Schneider R","Bodis S","Weber DC"]

METHODS:OBJECTIVE:Large inoperable sacral chordomas show unsatisfactory local control rates even when treated with high dose proton therapy (PT). The aim of this study is assessing feasibility and reporting early results of patients treated with PT and concomitant hyperthermia (HT). METHODS: :Patients had histologically proven unresectable sacral chordomas and received 70 Gy (relative biological effectiveness) in 2.5 Gy fractions with concomitant weekly HT. Toxicity was assessed according to CTCAE_v4. A volumetric tumor response analysis was performed. RESULTS: :Five patients were treated with the combined approach. Median baseline tumor volume was 735 cc (range, 369-1142). All patients completed PT and received a median of 5 HT sessions (range, 2-6). Median follow-up was 18 months (range, 9-26). The volumetric analysis showed an objective response of all tumors (median shrinkage 46%; range, 9-72). All patients experienced acute Grade 2-3 local pain. One patient presented with a late Grade 3 iliac fracture. CONCLUSION:Combining PT and HT in large inoperable sacral chordomas is feasible and causes acceptable toxicity. Volumetric analysis shows promising early results, warranting confirmation in the framework of a prospective trial. ADVANCES IN KNOWLEDGE: :This is an encouraging first report of the feasibility and early results of concomitant HT and PT in treating inoperable sacral chordoma.

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影响因子:1.41
发表时间:2020-03-01
DOI:10.1177/1078155219842277
作者列表:["Gyori DJ","Bullington SM","Crawford BS","Vernon VP"]

METHODS:BACKGROUND:National guidelines recommend screening and treatment for cancer-related bone disease and continued monitoring of bone-modifying agents. It is unclear whether a standardized screening tool is utilized to identify eligible patients and ensure appropriate supportive care is implemented. The purpose of this study was to evaluate current prescribing practices and optimize management of bone-modifying agents. METHODS:A retrospective chart review was performed to identify patients who received hormone deprivation therapy or had bone metastases through Hematology/Oncology or Urology clinics from 1 November 2016 to 31 October 2017. The primary endpoints of this study were the incidence of completed baseline dual-energy X-ray absorptiometry (DEXA) scan for patients on hormone deprivation therapy and percent of patients started on a bone-modifying agent for the prevention of skeletal-related events secondary to bone metastasis. Secondary endpoints included percent of patients with dental examinations prior to initiation, adequate calcium and vitamin D supplementation, incidence of osteonecrosis of the jaw or flu-like symptoms and education, and percent of bisphosphonate doses appropriately adjusted based on renal function. RESULTS:A total of 375 patients were assessed for baseline DEXA scans and bone-modifying therapy. Of the 226 patients on hormone deprivation therapy, 111 (49%) patients were appropriately screened with a DEXA scan prior to initiation of hormone deprivation therapy. Among the 149 patients with bone metastases, only 94 (63.1%) patients were started on a bone-modifying agent. CONCLUSIONS:Opportunities have been identified to optimize management of patients with cancer-related bone disease. Implementation of standardized tools may increase the rate of appropriate screening and initiation of bone-modifying therapy when warranted.

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影响因子:2.83
发表时间:2020-01-01
DOI:10.1007/s00520-019-04843-9
作者列表:["Dohzono S","Sasaoka R","Takamatsu K","Hoshino M","Nakamura H"]

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骨肿瘤方向

骨肿瘤是发生于骨骼或其附属组织的肿瘤。有良性,恶性之分,良性骨肿瘤易根治,预后良好,恶性骨肿瘤发展迅速,预后不佳,死亡率高。

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