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Chan HHL, Nayak P, Alshaygy I, Gundle KR, Tsoi K, Daly MJ, Irish JC, Ferguson PC, Wunder JS. Does Freehand, Patient-specific Instrumentation or Surgical Navigation Perform Better for Allograft Reconstruction After Tumor Resection? A Preclinical Synthetic Bone Study. Clin Orthop Relat Res 2024:00003086-990000000-01620. [PMID: 38813958 DOI: 10.1097/corr.0000000000003116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 04/12/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND Joint-sparing resection of periarticular bone tumors can be challenging because of complex geometry. Successful reconstruction of periarticular bone defects after tumor resection is often performed with structural allografts to allow for joint preservation. However, achieving a size-matched allograft to fill the defect can be challenging because allograft sizes vary, they do not always match a patient's anatomy, and cutting the allograft to perfectly fit the defect is demanding. QUESTIONS/PURPOSES (1) Is there a difference in mental workload among the freehand, patient-specific instrumentation, and surgical navigation approaches? (2) Is there a difference in conformance (quantitative measure of deviation from the ideal bone graft), elapsed time during reconstruction, and qualitative assessment of goodness-of-fit of the allograft reconstruction among the approaches? METHODS Seven surgeons used three modalities in the same order (freehand, patient-specific instrumentation, and surgical navigation) to fashion synthetic bone to reconstruct a standardized bone defect. National Aeronautics and Space Administration (NASA) mental task load index questionnaires and procedure time were captured. Cone-beam CT images of the shaped allografts were used to measure conformance (quantitative measure of deviation from the ideal bone graft) to a computer-generated ideal bone graft model. Six additional (senior) surgeons blinded to modality scored the quality of fit of the allografts into the standardized tumor defect using a 10-point Likert scale. We measured conformance using the root-mean-square metric in mm and used ANOVA for multipaired comparisons (p < 0.05 was significant). RESULTS There was no difference in mental NASA total task load scores among the freehand, patient-specific instrumentation, and surgical navigation techniques. We found no difference in conformance root-mean-square values (mean ± SD) between surgical navigation (2 ± 0 mm; mean values have been rounded to whole numbers) and patient-specific instrumentation (2 ± 1 mm), but both showed a small improvement compared with the freehand approach (3 ± 1 mm). For freehand versus surgical navigation, the mean difference was 1 mm (95% confidence interval [CI] 0.5 to 1.1; p = 0.01). For freehand versus patient-specific instrumentation, the mean difference was 1 mm (95% CI -0.1 to 0.9; p = 0.02). For patient-specific instrumentation versus surgical navigation, the mean difference was 0 mm (95% CI -0.5 to 0.2; p = 0.82). In evaluating the goodness of fit of the shaped grafts, we found no clinically important difference between surgical navigation (median [IQR] 7 [6 to 8]) and patient-specific instrumentation (median 6 [5 to 7.8]), although both techniques had higher scores than the freehand technique did (median 3 [2 to 4]). For freehand versus surgical navigation, the difference of medians was 4 (p < 0.001). For freehand versus patient-specific instrumentation, the difference of medians was 3 (p < 0.001). For patient-specific instrumentation versus surgical navigation, the difference of medians was 1 (p = 0.03). The mean ± procedural times for freehand was 16 ± 10 minutes, patient-specific instrumentation was 14 ± 9 minutes, and surgical navigation techniques was 24 ± 8 minutes. We found no differences in procedures times across three shaping modalities (freehand versus patient-specific instrumentation: mean difference 2 minutes [95% CI 0 to 7]; p = 0.92; freehand versus surgical navigation: mean difference 8 minutes [95% CI 0 to 20]; p = 0.23; patient-specific instrumentation versus surgical navigation: mean difference 10 minutes [95% CI 1 to 19]; p = 0.12). CONCLUSION Based on surgical simulation to reconstruct a standardized periarticular bone defect after tumor resection, we found a possible small advantage to surgical navigation over patient-specific instrumentation based on qualitative fit, but both techniques provided slightly better conformance of the shaped graft for fit into the standardized post-tumor resection bone defect than the freehand technique did. To determine whether these differences are clinically meaningful requires further study. The surgical navigation system presented here is a product of laboratory research development, and although not ready to be widely deployed for clinical practice, it is currently being used in a research operating room setting for patient care. This new technology is associated with a learning curve, capital costs, and potential risk. The reported preliminary results are based on a preclinical synthetic bone tumor study, which is not as realistic as actual surgical scenarios. CLINICAL RELEVANCE Surgical navigation systems are an emerging technology in orthopaedic and reconstruction surgery, and understanding their capabilities and limitations is paramount for clinical practice. Given our preliminary findings in a small cohort study with one scenario of standardized synthetic periarticular bone tumor defects, future investigations should include different surgical scenarios using allograft and cadaveric specimens in a more realistic surgical setting.
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Affiliation(s)
- Harley H L Chan
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- TECHNA Institute, Guided Therapeutics (GTx) Program, University Health Network, Toronto, Ontario, Canada
| | - Prakash Nayak
- Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, India
| | - Ibrahim Alshaygy
- Department of Orthopaedics, College of Medicine, King Saud University Medical City, Riyadh, Saudi Arabia
| | - Kenneth R Gundle
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR, USA
| | - Kim Tsoi
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Surgical Oncology, University Health Network, Toronto, Ontario, Canada
| | - Michael J Daly
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- TECHNA Institute, Guided Therapeutics (GTx) Program, University Health Network, Toronto, Ontario, Canada
| | - Jonathan C Irish
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- TECHNA Institute, Guided Therapeutics (GTx) Program, University Health Network, Toronto, Ontario, Canada
- Department of Surgical Oncology, University Health Network, Toronto, Ontario, Canada
- Department of Otolaryngology-Head and Neck Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Peter C Ferguson
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Surgical Oncology, University Health Network, Toronto, Ontario, Canada
| | - Jay S Wunder
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Surgical Oncology, University Health Network, Toronto, Ontario, Canada
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2
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Quirion JC, Johnson SR, Kowalski BL, Halpern JL, Schwartz HS, Holt GE, Prieto-Granada C, Singh R, Cates JMM, Rubin BP, Mesko NW, Nystrom LM, Lawrenz JM. Surgical Margins in Musculoskeletal Sarcoma. JBJS Rev 2024; 12:01874474-202403000-00003. [PMID: 38446910 DOI: 10.2106/jbjs.rvw.23.00224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
» Negative margin resection of musculoskeletal sarcomas is associated with reduced risk of local recurrence.» There is limited evidence to support an absolute margin width of soft tissue or bone that correlates with reduced risk of local recurrence.» Factors intrinsic to the tumor, including histologic subtype, grade, growth pattern and neurovascular involvement impact margin status and local recurrence, and should be considered when evaluating a patient's individual risk after positive margins.» Appropriate use of adjuvant therapy, critical analysis of preoperative advanced cross-sectional imaging, and the involvement of a multidisciplinary team are essential to obtain negative margins when resecting sarcomas.
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Affiliation(s)
- Julia C Quirion
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Samuel R Johnson
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Brooke L Kowalski
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jennifer L Halpern
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Herbert S Schwartz
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Ginger E Holt
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Carlos Prieto-Granada
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Reena Singh
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | | | - Brian P Rubin
- Department of Pathology, Cleveland Clinic, Cleveland, Ohio
| | - Nathan W Mesko
- Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Lukas M Nystrom
- Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Joshua M Lawrenz
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
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3
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Broida SE, Tsoi KM, Rose PS, Ferguson PC, Griffin AM, Wunder JS, Houdek MT. Reconstruction following oncological iliosacral resection. Bone Joint J 2024; 106-B:93-98. [PMID: 38160693 DOI: 10.1302/0301-620x.106b1.bjj-2023-0594.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Aims The sacroiliac joint (SIJ) is the only mechanical connection between the axial skeleton and lower limbs. Following iliosacral resection, there is debate on whether reconstruction of the joint is necessary. There is a paucity of data comparing the outcomes of patients undergoing reconstruction and those who are not formally reconstructed. Methods A total of 60 patients (25 females, 35 males; mean age 39 years (SD 18)) undergoing iliosacral resection were reviewed. Most resections were performed for primary malignant tumours (n = 54; 90%). The mean follow-up for surviving patients was nine years (2 to 19). Results Overall, 27 patients (45%) were reconstructed, while 33 (55%) had no formal reconstruction. There was no difference in the use of chemotherapy (p = 1.000) or radiotherapy (p = 0.292) between the groups. Patients with no reconstruction had a mean larger tumour (11 cm (SD 5) vs 8 cm (SD 4); p = 0.014), mean shorter operating times (664 mins (SD 195) vs 1,324 mins (SD 381); p = 0.012), and required fewer blood units (8 (SD 7) vs 14 (SD 11); p = 0.012). Patients undergoing a reconstruction were more likely to have a deep infection (48% vs 12%; p = 0.003). Nine reconstructed patients had a hardware failure, with five requiring revision. Postoperatively 55 (92%) patients were ambulatory, with no difference in the proportion of ambulatory patients (89% vs 94%; p = 0.649) or mean Musculoskeletal Tumor Society Score (59% vs 65%; p = 0.349) score between patients who did or did not have a reconstruction. The ten-year disease-specific survival was 69%, with no difference between patients who were reconstructed and those who were not (78% vs 45%; p = 0.316). There was no difference in the rate of metastasis between the two groups (hazard ratio (HR) 2.78; p = 0.102). Conclusion Our results demonstrate that SIJ reconstruction is associated with longer operating times, greater need for blood transfusion, and more postoperative infections, without any improvement in functional outcomes when compared to patients who did not have formal SIJ reconstruction.
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Affiliation(s)
- Samuel E Broida
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Kim M Tsoi
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Canada
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Canada
| | - Peter S Rose
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Peter C Ferguson
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Canada
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Canada
| | - Anthony M Griffin
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Canada
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Canada
| | - Jay S Wunder
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Canada
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Canada
| | - Matthew T Houdek
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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4
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Bruschi A, Donati DM, Di Bella C. What to choose in bone tumour resections? Patient specific instrumentation versus surgical navigation: a systematic review. J Bone Oncol 2023; 42:100503. [PMID: 37771750 PMCID: PMC10522906 DOI: 10.1016/j.jbo.2023.100503] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/01/2023] [Accepted: 09/12/2023] [Indexed: 09/30/2023] Open
Abstract
Patient specific instrumentation (PSI) and intraoperative surgical navigation (SN) can significantly help in achieving wide oncological margins while sparing bone stock in bone tumour resections. This is a systematic review aimed to compare the two techniques on oncological and functional results, preoperative time for surgical planning, surgical intraoperative time, intraoperative technical complications and learning curve. The protocol was registered in PROSPERO database (CRD42023422065). 1613 papers were identified and 81 matched criteria for PRISMA inclusion and eligibility. PSI and SN showed similar results in margins (0-19% positive margins rate), bone cut accuracy (0.3-4 mm of error from the planned), local recurrence and functional reconstruction scores (MSTS 81-97%) for both long bones and pelvis, achieving better results compared to free hand resections. A planned bone margin from tumour of at least 5 mm was safe for bone resections, but soft tissue margin couldn't be planned when the tumour invaded soft tissues. Moreover, long osteotomies, homogenous bone topology and restricted working spaces reduced accuracy of both techniques, but SN can provide a second check. In urgent cases, SN is more indicated to avoid PSI planning and production time (2-4 weeks), while PSI has the advantage of less intraoperative using time (1-5 min vs 15-65 min). Finally, they deemed similar technical intraoperative complications rate and demanding learning curve. Overall, both techniques present advantages and drawbacks. They must be considered for the optimal choice based on the specific case. In the future, robotic-assisted resections and augmented reality might solve the downsides of PSI and SN becoming the main actors of bone tumour surgery.
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Affiliation(s)
- Alessandro Bruschi
- Orthopaedic Oncology Unit, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136 Bologna, Italy
- Department of Orthopaedics, St Vincent's Hospital Melbourne, Fitzroy, VIC 3065, Australia
| | - Davide Maria Donati
- Orthopaedic Oncology Unit, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136 Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40123 Bologna, Italy
| | - Claudia Di Bella
- Department of Orthopaedics, St Vincent's Hospital Melbourne, Fitzroy, VIC 3065, Australia
- Department of Surgery, The University of Melbourne, St Vincent's Hospital Melbourne, Fitzroy, VIC 3065, Australia
- VBJS, Victorian Bone and Joint Specialists, 7/55 Victoria Parade, Fitzroy, VIC 3065, Australia
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Laitinen MK, Parry MC, Morris GV, Jeys LM. Pelvic bone sarcomas, prognostic factors, and treatment: A narrative review of the literature. Scand J Surg 2023; 112:206-215. [PMID: 37438963 DOI: 10.1177/14574969231181504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Primary sarcomas of bone are rare malignant mesenchymal tumors. The most common bone sarcomas are osteosarcoma, Ewing's sarcoma, and chondrosarcoma. The prognosis has improved over the years, but bone sarcomas are still life-threatening tumors that need a multidisciplinary approach for diagnosis and treatment. Bone sarcomas arising in the pelvis present a unique challenge to orthopedic oncologists due to the absence of natural anatomical barriers, the close proximity of vital neurovascular structures, and the high mechanical demands placed on any pelvic reconstruction following the excision of the tumor. While radiotherapy has an important role especially in Ewing's sarcoma and chemotherapy for both Ewing's sarcoma and osteosarcoma, surgery remains the main choice of treatment for all three entities. While external hemipelvectomy has remained one option, the main aim of surgery is limb salvage. After complete tumor resection, the bone defect needs to be reconstructed. Possibilities to reconstruct the defect include prosthetic or biological reconstruction. The method of reconstruction is dependent on the location of tumor and the surgery required for its removal. The aim of this article is to give an insight into pelvic bone sarcomas, their oncological and surgical outcomes, and the options for treatment based on the authors' experiences.
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Affiliation(s)
- Minna K Laitinen
- Helsinki University Hospital and University of Helsinki Helsinki Finland Bridge Hospital Haartmaninkatu 4 PL 370 00029 HUS
- The Royal Orthopaedic Hospital, Birmingham, UK
| | - Michael C Parry
- The Royal Orthopaedic Hospital, Birmingham, UK
- The Royal Orthopaedic Hospital, Birmingham, UK
| | - Guy V Morris
- The Royal Orthopaedic Hospital, Birmingham, UK
- The Royal Orthopaedic Hospital, Birmingham, UK
| | - Lee M Jeys
- The Royal Orthopaedic Hospital, Birmingham, UK
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6
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[Translated article] Validation of patient-specific 3D impression models for pelvic oncological orthopedic surgery. Rev Esp Cir Ortop Traumatol (Engl Ed) 2022; 66:T403-T409. [DOI: 10.1016/j.recot.2022.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 07/02/2021] [Indexed: 11/23/2022] Open
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7
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Tian QH, -Han K, Wang T, Min DL, Wu CG. Percutaneous Sacroplasty with or without Radiofrequency Ablation for Treatment of Painful Sacral Metastases. AJNR Am J Neuroradiol 2022; 43:1222-1227. [PMID: 35863777 PMCID: PMC9575424 DOI: 10.3174/ajnr.a7587] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/07/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Percutaneous sacroplasty is a variation of percutaneous vertebroplasty that has gained attention as a therapeutic option for patients with painful sacral insufficiency fractures due to osteoporosis or metastases. Additionally, percutaneous sacroplasty can also be used to treat painful sacral metastases without a pathologic fracture. The purpose of this retrospective study was to compare the efficacy and safety of fluoroscopy-guided percutaneous sacroplasty alone versus percutaneous sacroplasty plus radiofrequency ablation for the treatment of painful sacral metastases. MATERIALS AND METHODS For this retrospective study, 126 patients (with a total of 162 painful sacral metastases) were enrolled from October 2012 to February 2021 and assigned to receive either percutaneous sacroplasty plus radiofrequency ablation (n = 51, group A) or percutaneous sacroplasty alone (n = 75, group B). Four different approaches were used for percutaneous sacroplasty: transiliac, interpedicular, anterior-oblique, and posterior. The Visual Analog Scale, Oswestry Disability Index, and Karnofsky Performance Scale were used to evaluate outcomes. RESULTS The Visual Analog Scale, Oswestry Disability Index, and Karnofsky Performance Scale scores showed significant improvement in both groups after treatment (P < .05). The overall pain relief rate was significantly better in group A than in group B (90% versus 76%, P = .032). There were no significant differences in the incidence of polymethylmethacrylate leakage between the 2 groups or among the 4 different approaches (P > .05). CONCLUSIONS Both percutaneous sacroplasty alone and the combination of percutaneous sacroplasty and radiofrequency ablation are safe and effective for treatment of painful sacral metastases. The combination of percutaneous sacroplasty and radiofrequency ablation appears to be more effective than percutaneous sacroplasty alone.
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Affiliation(s)
- Q-H Tian
- From the Departments of Diagnostic and Interventional Radiology (Q.-H.T., T.W., C.-G.W.)
| | - K -Han
- Oncology (K.-H., D.-L.M.), Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - T Wang
- From the Departments of Diagnostic and Interventional Radiology (Q.-H.T., T.W., C.-G.W.)
| | - D-L Min
- Oncology (K.-H., D.-L.M.), Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - C-G Wu
- From the Departments of Diagnostic and Interventional Radiology (Q.-H.T., T.W., C.-G.W.)
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8
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Gosheger G, Ahrens H, Dreher P, Schneider KN, Deventer N, Budny T, Heitkötter B, Schulze M, Theil C. Evaluation of a novel classification system to predict local recurrence in sarcoma patients undergoing hemipelvectomy with iliosacral resection. Bone Joint J 2022; 104-B:290-296. [PMID: 35094575 DOI: 10.1302/0301-620x.104b2.bjj-2021-1180.r1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Iliosacral sarcoma resections have been shown to have high rates of local recurrence (LR) and poor overall survival. There is also no universal classification for the resection of pelvic sarcomas invading the sacrum. This study proposes a novel classification system and analyzes the survival and risk of recurrence, when using this system. METHODS This is a retrospective analysis of 151 patients (with median follow-up in survivors of 44 months (interquartile range 12 to 77)) who underwent hemipelvectomy with iliosacral resection at a single centre between 2007 and 2019. The proposed classification differentiates the extent of iliosacral resection and defines types S1 to S6 (S1 resection medial and parallel to the sacroiliac joint, S2 resection through the ipsilateral sacral lateral mass to the neuroforamina, S3 resection through the ipsilateral neuroforamina, S4 resection through ipsilateral the spinal canal, and S5 and S6 contralateral sacral resections). Descriptive statistics and the chi-squared test were used for categorical variables, and the Kaplan-Meier survival analysis were performed. RESULTS Resections were S1 in 25/151 patients (17%), S2 in 70/151 (46%), S3 in 33/151 (22%), S4 in 77/151 (11%), S5 in 4/151 (3%), and S6 in 2/151 (1%). An internal hemipelvectomy was performed in 113/151 patients (75%), and 38/151 patients (25%) had an external hemipelvectomy. The predominant types of sarcoma were high-grade osteosarcoma in 48/151 patients (32%), chondrosarcoma in 41/151 (27%), Ewing sarcoma in 33/151 (22%), pleomorphic sarcoma in 17/151 (11%), and others in 2/151 (8%). LR was found in 24/151 patients (15%) with S3, S5, with S6 resections showing the highest rate of LR (p = 0.038). Overall, 19/151 patients (16%) had evidence of metastastic disease at the time of surgery and these patients showed poorer survival when compared to patients with no metastasis. CONCLUSION The proposed classification can help to report and compare different surgical and reconstructive approaches in these difficult cases who are still have a considerable risk of LR. Cite this article: Bone Joint J 2022;104-B(2):290-296.
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Affiliation(s)
- Georg Gosheger
- Department of General Orthopaedics and Tumour Orthopaedics, Münster University Hospital, Münster, Germany
| | - Helmut Ahrens
- Department of General Orthopaedics and Tumour Orthopaedics, Münster University Hospital, Münster, Germany
| | - Philipp Dreher
- Department of General Orthopaedics and Tumour Orthopaedics, Münster University Hospital, Münster, Germany
| | - Kristian N Schneider
- Department of General Orthopaedics and Tumour Orthopaedics, Münster University Hospital, Münster, Germany
| | - Niklas Deventer
- Gerhard-Domagk-Institut of Pathology, Münster University Hospital, Münster, Germany
| | - Tymoteusz Budny
- Gerhard-Domagk-Institut of Pathology, Münster University Hospital, Münster, Germany
| | - Birthe Heitkötter
- Gerhard-Domagk-Institut of Pathology, Münster University Hospital, Münster, Germany
| | - Martin Schulze
- Department of General Orthopaedics and Tumour Orthopaedics, Münster University Hospital, Münster, Germany
| | - Christoph Theil
- Department of General Orthopaedics and Tumour Orthopaedics, Münster University Hospital, Münster, Germany
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9
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Ingley KM, Maleddu A, Grange FL, Gerrand C, Bleyer A, Yasmin E, Whelan J, Strauss SJ. Current approaches to management of bone sarcoma in adolescent and young adult patients. Pediatr Blood Cancer 2022; 69:e29442. [PMID: 34767314 DOI: 10.1002/pbc.29442] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/02/2021] [Accepted: 10/16/2021] [Indexed: 01/05/2023]
Abstract
Bone tumors are a group of histologically diverse diseases that occur across all ages. Two of the commonest, osteosarcoma (OS) and Ewing sarcoma (ES), are regarded as characteristic adolescent and young adult (AYA) cancers with an incidence peak in AYAs. They are curable for some but associated with unacceptably high rates of treatment failure and morbidity. The introduction of effective new therapeutics for bone sarcomas is slow, and to date, complex biology has been insufficiently characterized to allow more rapid therapeutic exploitation. This review focuses on current standards of care, recent advances that have or may soon change that standard of care and challenges to the expert clinical research community that we suggest must be met.
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Affiliation(s)
- Katrina M Ingley
- London Sarcoma Service, University College London Hospitals NHS Trust, London, UK
| | - Alessandra Maleddu
- London Sarcoma Service, University College London Hospitals NHS Trust, London, UK
| | - Franel Le Grange
- London Sarcoma Service, University College London Hospitals NHS Trust, London, UK
| | - Craig Gerrand
- London Sarcoma Service, Department of Orthopaedic Oncology, Royal National Orthopaedic Hospital NHS Trust, Stanmore, UK
| | - Archie Bleyer
- Oregon Health and Science University, Portland, Oregon
| | - Ephia Yasmin
- Reproductive Medicine Unit, University College London Hospitals NHS Trust, London, UK
| | - Jeremy Whelan
- London Sarcoma Service, University College London Hospitals NHS Trust, London, UK
| | - Sandra J Strauss
- London Sarcoma Service, University College London Hospitals NHS Trust, London, UK.,UCL Cancer Institute, London, UK
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10
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Dang J, Fu J, Liu D, Zhang Z, Mi Z, Cheng D, Liu X, Zhang Y, Zhu D, Wang L, Shi Y, Fan H. Clinical application of 3D-printed patient-specific guide plate combined with computer navigation in acetabular reconstruction following resection of periacetabular tumors. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:76. [PMID: 35282055 PMCID: PMC8848447 DOI: 10.21037/atm-21-7013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/13/2022] [Indexed: 11/24/2022]
Abstract
Background The precise acetabular reconstruction has historically been a challenging procedure. 3D-printed patient-specific guide (PSG) and computer navigation (CN) technologies have been used to assist acetabular component positioning and pelvic reconstruction. This precise reconstruction approach may translate into clinical benefit. Methods The clinical data of 84 patients who underwent periacetabular malignant tumor resection and screw-rod-acetabular cage system reconstruction in our center from January 2013 to December 2020 were retrospectively analyzed. Patients were divided into four groups: free hand (FH) group, PSG group, CN group, and PSG combined with computer navigation (PSG + CN) group. The operation time, intraoperative blood loss, and number of fluoroscopy views were recorded. The oncological prognosis, radiographic measurements of the acetabulum, limb function data, and postoperative complications were compared among groups. And finally, we evaluated the risk factors for mechanical failure of the prosthesis. Results The postoperative X-ray and computed tomography (CT) scan revealed that the vertical offset discrepancy (VOD) between affected side and contralateral side was 8.4±1.9, 5.9±2.2, 4.1±1.3, and 2.4±1.2 mm in each groups; the horizontal offset discrepancy (HOD) was 9.0±1.9, 6.1±2.2, 3.2±1.3, and 2.1±1.2 mm, correspondingly; the abduction angle discrepancy (ABAD) was 8.6°±1.8°, 5.6°±2.0°, 2.5°±1.3°, and 1.8°±0.9°, respectively; the anteversion angle discrepancy (ANAD) was 5.9°±1.6°, 3.6°±1.7°, 2.9°±1.6°, and 1.9°±0.9°, correspondingly. Statistical results show that the PSG + CN group was superior to the FH group and the PSG group in terms of acetabular position and limb function (P<0.05). Body mass index (P=0.040) and resection type (P=0.042) were found to be the high-risk factors for mechanical failure of the prosthesis. Conclusions PSG + CN has potential advantages in improving the accuracy and safety of acetabular positioning and reconstruction.
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Affiliation(s)
- Jingyi Dang
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jun Fu
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Dong Liu
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhao Zhang
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhenzhou Mi
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Debin Cheng
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xincheng Liu
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yushen Zhang
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Dongze Zhu
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Lei Wang
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yubo Shi
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Hongbin Fan
- Department of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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11
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Sahovaler A, Daly MJ, Chan HHL, Nayak P, Tzelnick S, Arkhangorodsky M, Qiu J, Weersink R, Irish JC, Ferguson P, Wunder JS. Automatic Registration and Error Color Maps to Improve Accuracy for Navigated Bone Tumor Surgery Using Intraoperative Cone-Beam CT. JB JS Open Access 2022; 7:JBJSOA-D-21-00140. [PMID: 35540727 PMCID: PMC9071254 DOI: 10.2106/jbjs.oa.21.00140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Computer-assisted surgery (CAS) can improve surgical precision in orthopaedic oncology. Accurate alignment of the patient’s imaging coordinates with the anatomy, known as registration, is one of the most challenging aspects of CAS and can be associated with substantial error. Using intraoperative, on-the-table, cone-beam computed tomography (CBCT), we performed a pilot clinical study to validate a method for automatic intraoperative registration.
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Affiliation(s)
- Axel Sahovaler
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
- Head & Neck Surgery Unit, University College London Hospitals, London, United Kingdom
| | - Michael J Daly
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Harley H L Chan
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Prakash Nayak
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
- Department of Surgical Oncology, Bone and Soft Tissue Disease Management Group, Tata Memorial Centre, Mumbai, India
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Sharon Tzelnick
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Michelle Arkhangorodsky
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Jimmy Qiu
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Robert Weersink
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Jonathan C Irish
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
| | - Peter Ferguson
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Jay S Wunder
- Guided Therapeutics (GTx) Program, TECHNA Institute, University Health Network, Toronto, Ontario, Canada
- Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
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12
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Fujiwara T, Ogura K, Christ A, Bartelstein M, Kenan S, Fabbri N, Healey J. Periacetabular reconstruction following limb-salvage surgery for pelvic sarcomas. J Bone Oncol 2021; 31:100396. [PMID: 34786331 PMCID: PMC8577502 DOI: 10.1016/j.jbo.2021.100396] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/23/2021] [Accepted: 10/03/2021] [Indexed: 11/29/2022] Open
Abstract
Limb-salvage surgery for pelvic sarcomas remains one of the most challenging surgical procedures for musculoskeletal oncologists. In the past several decades, various surgical techniques have been developed for periacetabular reconstruction following pelvic tumor resection. These methods include endoprosthetic reconstruction, allograft or autograft reconstruction, arthrodesis, and hip transposition. Each of these procedures has its own advantages and disadvantages, and there is no consensus or gold standard for periacetabular reconstruction. Consequently, this review provides an overview of the clinical outcomes for each of these reconstructive options following pelvic tumor resections. Overall, high complication rates are associated with the use of massive implants/grafts, and deep infection is generally the most common cause of reconstruction failure. Functional outcomes decline with the occurrence of severe complications. Further efforts to avoid complications using innovative techniques, such as antibiotic-laden devices, computer navigation, custom cutting jigs, and reduced use of implants/grafts, are crucial to improve outcomes, especially in patients at a high risk of complications.
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Affiliation(s)
- Tomohiro Fujiwara
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Koichi Ogura
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alexander Christ
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Meredith Bartelstein
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Shachar Kenan
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nicola Fabbri
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - John Healey
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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13
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Wilkat M, Kübler N, Rana M. Advances in the Resection and Reconstruction of Midfacial Tumors Through Computer Assisted Surgery. Front Oncol 2021; 11:719528. [PMID: 34737947 PMCID: PMC8560787 DOI: 10.3389/fonc.2021.719528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/27/2021] [Indexed: 11/14/2022] Open
Abstract
Curatively intended oncologic surgery is based on a residual-free tumor excision. Since decades, the surgeon’s goal of R0-resection has led to radical resections in the anatomical region of the midface because of the three-dimensionally complex anatomy where aesthetically and functionally crucial structures are in close relation. In some cases, this implied aggressive overtreatment with loss of the eye globe. In contrast, undertreatment followed by repeated re-resections can also not be an option. Therefore, the evaluation of the true three-dimensional tumor extent and the intraoperative availability of this information seem critical for a precise, yet substance-sparing tumor removal. Computer assisted surgery (CAS) can provide the framework in this context. The present study evaluated the beneficial use of CAS in the treatment of midfacial tumors with special regard to tumor resection and reconstruction. Therefore, 60 patients diagnosed with a malignancy of the upper jaw has been treated, 31 with the use of CAS and 29 conventionally. Comparison of the two groups showed a higher rate of residual-free resections in cases of CAS application. Furthermore, we demonstrate the use of navigated specimen taking called tumor mapping. This procedure enables the transparent, yet precise documentation of three-dimensional tumor borders which paves the way to a more feasible interdisciplinary exchange leading e.g. to a much more focused radiation therapy. Moreover, we evaluated the possibilities of primary midface reconstructions seizing CAS, especially in cases of infiltrated orbital floors. These cases needed reduction of intra-orbital volume due to the tissue loss after resection which could be precisely achieved by CAS. These benefits of CAS in midface reconstruction found expression in positive changes in quality of life. The present work was able to demonstrate that the area of oncological surgery of the midface is a prime example of interface optimization based on the sensible use of computer assistance. The fact that the system makes the patient transparent for the surgeon and the procedure controllable facilitates a more precise and safer treatment oriented to a better outcome.
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Affiliation(s)
- Max Wilkat
- Department for Oral & Maxillofacial Surgery, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Norbert Kübler
- Department for Oral & Maxillofacial Surgery, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Majeed Rana
- Department for Oral & Maxillofacial Surgery, University Hospital Düsseldorf, Düsseldorf, Germany
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14
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Christ AB, Hansen DG, Healey JH, Fabbri N. Computer-Assisted Surgical Navigation for Primary and Metastatic Bone Malignancy of the Pelvis: Current Evidence and Future Directions. HSS J 2021; 17:344-350. [PMID: 34539276 PMCID: PMC8436340 DOI: 10.1177/15563316211028137] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 11/16/2022]
Abstract
Computer-assisted navigation and robotic surgery have gained popularity in the treatment of pelvic bone malignancies, given the complexity of the bony pelvis, the proximity of numerous vital structures, and the historical challenges of pelvic bone tumor surgery. Initial interest was on enhancing the accuracy in sarcoma resection by improving the quality of surgical margins and decreasing the incidence of local recurrences. Several studies have shown an association between intraoperative navigation and increased incidence of negative margin bone resection, but long-term outcomes of navigation in pelvic bone tumor resection have yet to be established. Historically, mechanical stabilization of pelvic bone metastases has been limited to Harrington-type total hip arthroplasty for disabling periacetabular disease, but more recently, computer-assisted surgery has been employed for minimally invasive percutaneous fixation and stabilization; although still in its incipient stages, this procedure is potentially appealing for treating patients with bone metastases to the pelvis. The authors review the literature on navigation for the treatment of primary and metastatic tumors of the pelvic bone and discuss the best practices and limitations of these techniques.
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Affiliation(s)
- Alexander B. Christ
- Department of Orthopaedic Surgery, Keck Medicine of USC, Los Angeles, CA USA
| | - Derek G. Hansen
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - John H. Healey
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nicola Fabbri
- Department of Surgery, Orthopaedic Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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15
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Validation of patient-specific 3D impression models for pelvic oncological orthopedic surgery. Rev Esp Cir Ortop Traumatol (Engl Ed) 2021; 66:403-409. [PMID: 34452862 DOI: 10.1016/j.recot.2021.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/24/2021] [Accepted: 07/02/2021] [Indexed: 10/20/2022] Open
Abstract
INTRODUCTION Pelvic ring tumors pose a challenge due to the difficulty in obtaining adequate surgical margins. Tools such as surgical navigation or 3D printing for the fabrication of patient-specific surgical positioning templates help in preoperative planning and intraoperative execution. Their correct positioning is essential in complex locations such as the pelvis, so it is necessary to identify positioning errors. The aim of this study is to demonstrate the reliability of 3D template placement for pelvic ring osteotomies. MATERIAL AND METHODS Experimental study in cadaver with 10 hemipelvis. CT was performed to obtain the three-dimensional model, planning of osteotomies, design of positioning templates in ischiopubic (I), iliopubic (P), supracetabular (S) and iliac crest (C) branches; and a positioning marker (rigid-body) on the C and S templates for navigation. The templates and rigid-body are 3D printed and positioned according to pre-planning. Navigation allows the final position of the inserts and osteotomies to be checked. RESULTS The positioning of the templates with respect to the preoperative planning varied depending on the location, being greater the error in those of the iliac crest. Using navigation the mean error of distance to the cutting plane is 3.5mm, except in pubis (5-8mm), being conditioned by the position of the rigid body. CONCLUSION The use of patient-specific templates printed in 3D is a reliable tool for performing osteotomies in pelvic cancer surgery.
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16
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Ji T, Chin BZJ, Tang X, Yang R, Guo W. Iliosacral Bone Tumor Resection Using Cannulated Screw-Guided Gigli Saw - A Novel Technique. World J Surg Oncol 2021; 19:243. [PMID: 34399773 PMCID: PMC8369724 DOI: 10.1186/s12957-021-02349-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/27/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Adequate margins are technically difficult to achieve for malignant tumors involving the sacroiliac joint due to limited accessibility and viewing window. In order to address the technical difficulties faced in iliosacral tumor resection, we proposed a technique for precise osteotomy, which involved the use of canulated screws and Gigli saw (CSGS) that facilitated directional control, anteroposterior linkage of resection points and adequate surgical margins. The purpose of the current study was to evaluate whether CSGS technique facilitated sagittal osteotomy at sacral side, and were adequate surgical margins achieved? Also functional and oncological outcomes was determined along with the noteworthy complications. METHODS From April 2018 to November 2019, we retrospectively reviewed 15 patients who underwent resections for primary tumors of pelvis or sacrum necessitating iliosacral joint removal using the proposed CSGS technique. Chondrosarcoma was the most common diagnosis. The osteotomy site within sacrum was at ipsilateral ventral sacral foramina in 8 cases, midline of sacrum in 5 cases, and contralateral ventral sacral foramina and sacral ala with 1 case each. The average intraoperative blood loss was 3640 mL (range, 1200 and 6000 mL) with a mean operation duration of 7.4 hours (range, 5 to 12 hours). The mean follow-up was 23.0 months (range, 18 and 39 months) for alive patients. RESULTS Surgical margins were wide in 12 patients (80%), wide-contaminated in 1 patient (6.7%), and marginal in 2 patients (13.3%). R0 resection was achieved in 12 (80%) patients and R1 resection in 3 patients. There were three local recurrences (20%) occurred at a mean time of 11 months postoperatively. No local recurrence was observed at sacral osteotomy. The overall one-year and three-year survival rate was 86.7% and 72.7% respectively.Complications occurred in three patients. CONCLUSIONS The current study demonstrated that CSGS technique for tumor resection within the sacrum and pelvis was feasible and can achieve ideal resection accuracies. The use of CSGS was associated with high likelihood of negative margin resections in the current series. Intraoperative use of CSGS appeared to be technically straightforward and allowed achievement of planned surgical margins. It is worthwhile to consider the use of CSGS technique in resection of pelvic tumors with sacral invasion and iliosacral tumors, however further follow-up at mid to long-term is warranted to observe local recurrence rate.
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Affiliation(s)
- Tao Ji
- Musculoskeletal Tumor Center, People's Hospital, Peking University, Xizhimen Nan 11#, Xicheng District, Beijing, 100044, China
| | - Brian Z J Chin
- Musculoskeletal Tumor Center, People's Hospital, Peking University, Xizhimen Nan 11#, Xicheng District, Beijing, 100044, China.,University Orthopaedics, Hand and Reconstructive Microsurgical Cluster, Singapore, National University Health System, Singapore, Singapore
| | - Xiaodong Tang
- Musculoskeletal Tumor Center, People's Hospital, Peking University, Xizhimen Nan 11#, Xicheng District, Beijing, 100044, China
| | - Rongli Yang
- Musculoskeletal Tumor Center, People's Hospital, Peking University, Xizhimen Nan 11#, Xicheng District, Beijing, 100044, China
| | - Wei Guo
- Musculoskeletal Tumor Center, People's Hospital, Peking University, Xizhimen Nan 11#, Xicheng District, Beijing, 100044, China.
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17
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Xu H, Li Y, Zhang Q, Hao L, Yu F, Niu X. Does Adding Femoral Lengthening at the Time of Rotation Hip Transposition After Periacetabular Tumor Resection Allow for Restoration of Limb Length and Function? Interim Results of a Modified Hip Transposition Procedure. Clin Orthop Relat Res 2021; 479:1521-1530. [PMID: 33534263 PMCID: PMC8280007 DOI: 10.1097/corr.0000000000001653] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 01/05/2021] [Indexed: 01/31/2023]
Abstract
BACKGROUND Reconstruction after pelvic tumor resection of the acetabulum is challenging. Previous methods of hip transposition after acetabular resection have the advantages of reducing wound complications and infections of the allograft or metal endoprosthesis but were associated with substantial limb length discrepancy. We therefore developed a modification of this procedure, rotation hip transposition after femur lengthening, to address limb length, and we wished to evaluate its effectiveness in terms of complications and functional outcomes. QUESTIONS/PURPOSES In this study, we asked: (1) What were the Musculoskeletal Tumor Society scores after this reconstruction method was used? (2) What complications occurred after this reconstruction method was used? (3) What proportion of patients achieved solid arthrodesis (as opposed to pseudarthrosis) with the sacrum and solid union of the femur? (4) What were the results with respect to limb length after a minimum follow-up of 2 years? METHODS From 2011 to 2017, 83 patients with an aggressive benign or primary malignant tumor involving the acetabulum were treated in our institution. Of those, 23% (19 of 83) were treated with rotation hip transposition after femur lengthening and were considered for this retrospective study; 15 were available at a minimum follow-up of 2 years (median [range], 49 months [24 to 97 months]), and four died of lung metastases before 2 years. No patients were lost to follow-up before 2 years. During the period in question, the general indications for this approach were primary nonmetastatic malignant bone tumor or a locally aggressive benign bone tumor that could not be treated adequately with curettage. There were seven men and 12 women with a median age of 43 years. Nine patients underwent Zones I + II resection, eight patients had Zones I + II + III resection, and two received Zones II + III resection. After tumor resection, rotation hip transposition after femur lengthening reconstruction was performed, which included two steps. The first step was to lengthen the femur with the insertion of an allograft. Two methods were used to achieve limb lengthening: a "Z" osteotomy and a transverse osteotomy. The second step was to take the hip transposition and rotate the femoral head posteriorly 10° to 20°. The median (range) operative time was 510 minutes (330 to 925 minutes). The median intraoperative blood loss was 4000 mL (1800 to 7000 mL). We performed a chart review on the 15 available patients for clinical and radiographic assessment of functional outcomes and complications. Arthrodesis and leg length discrepancy were evaluated radiographically. RESULTS The median (range) Musculoskeletal Tumor Society score was 21 points (17 to 30). Eleven of 19 patients developed procedure-related complications, including six patients with allograft nonunion, two with deep infection, two with delayed skin healing, and one with a hematoma. Two patients had minor additional surgical interventions without the removal of any implants. Local recurrences developed in four patients, and all four died of disease. All seven patients treated with a Z osteotomy had bone union. Among the eight patients with transverse osteotomy, bone union did not occur in six patients. After hip transposition, stable iliofemoral arthrodesis was achieved in seven patients. Pseudarthrosis developed in the remaining eight patients. The median (range) lower limb length discrepancy at the last follow-up visit or death was 8 mm (1 to 42 mm). CONCLUSION Although complex and challenging, rotation hip transposition after femur lengthening reconstruction with a Z osteotomy provides acceptable functional outcomes with complications that are within expectations for resection of pelvic tumors involving the acetabulum. Because of the magnitude and complexity of this technique, we believe it should be used primarily for patients with a favorable prognosis, both locally and systemically. This innovative procedure may be useful to other surgeons if larger numbers of patients and longer-term follow-up confirm our results. LEVEL OF EVIDENCE Level IV, therapeutic study.
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Affiliation(s)
- Hairong Xu
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University. Beijing, China
| | - Yuan Li
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University. Beijing, China
| | - Qing Zhang
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University. Beijing, China
| | - Lin Hao
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University. Beijing, China
| | - Feng Yu
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University. Beijing, China
| | - Xiaohui Niu
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking University. Beijing, China
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18
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Complex Bone Tumors of the Trunk-The Role of 3D Printing and Navigation in Tumor Orthopedics: A Case Series and Review of the Literature. J Pers Med 2021; 11:jpm11060517. [PMID: 34200075 PMCID: PMC8228871 DOI: 10.3390/jpm11060517] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 02/07/2023] Open
Abstract
The combination of 3D printing and navigation promises improvements in surgical procedures and outcomes for complex bone tumor resection of the trunk, but its features have rarely been described in the literature. Five patients with trunk tumors were surgically treated in our institution using a combination of 3D printing and navigation. The main process includes segmentation, virtual modeling and build preparation, as well as quality assessment. Tumor resection was performed with navigated instruments. Preoperative planning supported clear margin multiplanar resections with intraoperatively adaptable real-time visualization of navigated instruments. The follow-up ranged from 2–15 months with a good functional result. The present results and the review of the current literature reflect the trend and the diverse applications of 3D printing in the medical field. 3D printing at hospital sites is often not standardized, but regulatory aspects may serve as disincentives. However, 3D printing has an increasing impact on precision medicine, and we are convinced that our process represents a valuable contribution in the context of patient-centered individual care.
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19
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Kurisunkal V, Laitinen MK, Kaneuchi Y, Kapanci B, Stevenson J, Parry MC, Reito A, Fujiwara T, Jeys LM. Is 2 mm a wide margin in high-grade conventional chondrosarcomas of the pelvis? Bone Joint J 2021; 103-B:1150-1154. [PMID: 34058869 DOI: 10.1302/0301-620x.103b6.bjj-2020-1869.r1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
AIMS Controversy exists as to what should be considered a safe resection margin to minimize local recurrence in high-grade pelvic chondrosarcomas (CS). The aim of this study is to quantify what is a safe margin of resection for high-grade CS of the pelvis. METHODS We retrospectively identified 105 non-metastatic patients with high-grade pelvic CS of bone who underwent surgery (limb salvage/amputations) between 2000 and 2018. There were 82 (78%) male and 23 (22%) female patients with a mean age of 55 years (26 to 84). The majority of the patients underwent limb salvage surgery (n = 82; 78%) compared to 23 (22%) who had amputation. In total, 66 (64%) patients were grade 2 CS compared to 38 (36%) grade 3 CS. All patients were assessed for stage, pelvic anatomical classification, type of resection and reconstruction, margin status, local recurrence, distant recurrence, and overall survival. Surgical margins were stratified into millimetres: < 1 mm; > 1 mm but < 2 mm; and > 2 mm. RESULTS The disease--specific survival (DSS) at five years was 69% (95% confidence interval (CI) 56% to 81%) and 51% (95% CI 31% to 70%) for grade 2 and 3 CS, respectively (p = 0.092). The local recurrence-free survival (LRFS) at five years was 59% (95% CI 45% to 72%) for grade 2 CS and 42% (95% CI 21% to 63%) for grade 3 CS (p = 0.318). A margin of more than 2 mm was a significant predictor of increased LRFS (p = 0.001). There was a tendency, but without statistical significance, for a > 2 mm margin to be a predictor of improved DSS. Local recurrence (LR) was a highly significant predictor of DSS, analyzed in a competing risk model (p = 0.001). CONCLUSION Obtaining wide margins in the pelvis remains challenging for high-grade pelvic CS. On the basis of our study, we conclude that it is necessary to achieve at least a 2 mm margin for optimal oncological outcomes in patients with high-grade CS of the pelvis. Cite this article: Bone Joint J 2021;103-B(6):1150-1154.
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Affiliation(s)
| | - Minna K Laitinen
- Dept of Orthopaedic and Traumatology, Helsinki University Central Hospital, Helsinki, Finland
| | - Yoichi Kaneuchi
- Oncology Department, The Royal Orthopaedic Hospital, Birmingham, UK
| | - Bilal Kapanci
- Oncology Department, The Royal Orthopaedic Hospital, Birmingham, UK
| | | | - Michael C Parry
- Oncology Department, The Royal Orthopaedic Hospital, Birmingham, UK
| | - Aleksi Reito
- Department of Musculoskeletal Surgery and Diseases, Tampere University Hospital and University of Tampere, Faculty of Medicine and Life Sciences, Tampere, Finland
| | | | - Lee M Jeys
- Oncology Department, The Royal Orthopaedic Hospital, Birmingham, UK.,Dept of Health and Life Sciences, Aston University, Birmingham, UK
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20
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Zając AE, Kopeć S, Szostakowski B, Spałek MJ, Fiedorowicz M, Bylina E, Filipowicz P, Szumera-Ciećkiewicz A, Tysarowski A, Czarnecka AM, Rutkowski P. Chondrosarcoma-from Molecular Pathology to Novel Therapies. Cancers (Basel) 2021; 13:2390. [PMID: 34069269 PMCID: PMC8155983 DOI: 10.3390/cancers13102390] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/01/2021] [Accepted: 05/04/2021] [Indexed: 12/16/2022] Open
Abstract
Chondrosarcoma (CHS) is the second most common primary malignant bone sarcoma. Overall survival and prognosis of this tumor are various and often extreme, depending on histological grade and tumor subtype. CHS treatment is difficult, and surgery remains still the gold standard due to the resistance of this tumor to other therapeutic options. Considering the role of differentiation of CHS subtypes and the need to develop new treatment strategies, in this review, we introduced a multidisciplinary characterization of CHS from its pathology to therapies. We described the morphology of each subtype with the role of immunohistochemical markers in diagnostics of CHS. We also summarized the most frequently mutated genes and genome regions with altered pathways involved in the pathology of this tumor. Subsequently, we discussed imaging methods and the role of currently used therapies, including surgery and the limitations of chemo and radiotherapy. Finally, in this review, we presented novel targeted therapies, including those at ongoing clinical trials, which can be a potential future target in designing new therapeutics for patients with CHS.
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Affiliation(s)
- Agnieszka E. Zając
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Sylwia Kopeć
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Bartłomiej Szostakowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Mateusz J. Spałek
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Michał Fiedorowicz
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Elżbieta Bylina
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
- Department of Clinical Trials, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Paulina Filipowicz
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Szumera-Ciećkiewicz
- Department of Pathology and Laboratory Diagnostics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland
| | - Andrzej Tysarowski
- Department of Pathology and Laboratory Medicine, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Anna M. Czarnecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.E.Z.); (S.K.); (B.S.); (M.J.S.); (E.B.); (P.F.); (P.R.)
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Zhu D, Fu J, Wang L, Guo Z, Wang Z, Fan H. Reconstruction with customized, 3D-printed prosthesis after resection of periacetabular Ewing's sarcoma in children using "triradiate cartilage-based" surgical strategy:a technical note. J Orthop Translat 2021; 28:108-117. [PMID: 33868923 PMCID: PMC8022806 DOI: 10.1016/j.jot.2020.12.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/15/2020] [Accepted: 12/22/2020] [Indexed: 11/26/2022] Open
Abstract
Background Surgery for Ewing sarcoma involving acetabulum in children is challenging. Considering the intrinsic structure of immature pelvis, trans-acetabular osteotomy through triradiate cartilage might be applied. The study was to describe the surgical technique and function outcomes of trans-acetabular osteotomy through triradiate cartilage and reconstruction with customized, 3D-printed prosthesis. Methods Two children with periacetabular ES were admitted to our hospital. The pre-operative imaging showed the triradiate cartilage was not penetrated or wholly affected by tumor. After neoadjuvant chemotherapy, the tumor was excised by trans-acetabular osteotomy basing on “triradiate cartilage strategy” and the acetabulum was reconstructed with the customized, 3D-printed prosthesis. The prosthesis was designed in Mimics software basing on the images from CT, optimized by topology technique, and examined in FE model. After implantation, the oncological and functional outcomes were evaluated with radiography, CT, and MSTS score. Results The operation time and intra-operative blood loss in these two children were 3.5h, 2.5h and 300 ml, 600 ml, respectively. The postoperative specimen showed the tumor was en bloc removed with safe margin. In the latest follow-up (48 months and 24 months), both patients were free of disease and had satisfactory function according to MSTS score. The radiography indicated the prosthesis fit the defect well without loosening. Conclusion The customized, 3D-printed prosthesis could provide optimal reconstruction of pelvic ring and satisfactory hip function after trans-acetabular osteotomy in children. The translational potential of this article This study provides promising results of implantation of customized 3D printing prosthesis in children’s pelvic sarcoma, which may bring a new design method for orthopaedic implants.
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Affiliation(s)
- Dongze Zhu
- Department of Orthopedic Surgery, Xi-jing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Jun Fu
- Department of Orthopedic Surgery, Xi-jing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Ling Wang
- State Key Laboratory for Manufacturing System Engineering, Xi'an Jiaotong University, Xi'an, 710054, China
| | - Zheng Guo
- Department of Orthopedic Surgery, Xi-jing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Zhen Wang
- Department of Orthopedic Surgery, Xi-jing Hospital, Air Force Medical University, Xi'an, 710032, China
| | - Hongbin Fan
- Department of Orthopedic Surgery, Xi-jing Hospital, Air Force Medical University, Xi'an, 710032, China
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22
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Sambri A, Fujiwara T, Fiore M, Giannini C, Zucchini R, Cevolani L, Donati DM, De Paolis M. The role of imaging in computer assisted tumor surgery of the sacrum and pelvis. Curr Med Imaging 2021; 18:137-141. [PMID: 33655874 DOI: 10.2174/1573405617666210303105735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/07/2021] [Accepted: 01/14/2021] [Indexed: 11/22/2022]
Abstract
The use of a navigation system allows precise resection of a tumor and accurate reconstruction of the resultant defect thereby sparing important anatomical structures and preserving function. It is an "image-based" system where the imaging (computed tomography and magnetic resonance imaging) is required to supply the software with data. The fusion of the preoperative imaging provides pre-operative information about local anatomy and extent of the tumor, so that it allows an accurate preoperative planning. Accurate pre-operative imaging is mandatory in order to minimize CATS errors, thus performing accurate tumor resections.
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Affiliation(s)
| | - Tomohiro Fujiwara
- Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences. Japan
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23
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Surgical Advances in Osteosarcoma. Cancers (Basel) 2021; 13:cancers13030388. [PMID: 33494243 PMCID: PMC7864509 DOI: 10.3390/cancers13030388] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Osteosarcoma (OS) is the most common bone cancer in children. OS most commonly arises in the legs, but can arise in any bone, including the spine, head or neck. Along with chemotherapy, surgery is a mainstay of OS treatment and in the 1990s, surgeons began to shift from amputation to limb-preserving surgery. Since then, improvements in imaging, surgical techniques and implant design have led to improvements in functional outcomes without compromising on the cancer outcomes for these patients. This paper summarises these advances, along with a brief discussion of future technologies currently in development. Abstract Osteosarcoma (OS) is the most common primary bone cancer in children and, unfortunately, is associated with poor survival rates. OS most commonly arises around the knee joint, and was traditionally treated with amputation until surgeons began to favour limb-preserving surgery in the 1990s. Whilst improving functional outcomes, this was not without problems, such as implant failure and limb length discrepancies. OS can also arise in areas such as the pelvis, spine, head, and neck, which creates additional technical difficulty given the anatomical complexity of the areas. We reviewed the literature and summarised the recent advances in OS surgery. Improvements have been made in many areas; developments in pre-operative imaging technology have allowed improved planning, whilst the ongoing development of intraoperative imaging techniques, such as fluorescent dyes, offer the possibility of improved surgical margins. Technological developments, such as computer navigation, patient specific instruments, and improved implant design similarly provide the opportunity to improve patient outcomes. Going forward, there are a number of promising avenues currently being pursued, such as targeted fluorescent dyes, robotics, and augmented reality, which bring the prospect of improving these outcomes further.
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Retrospective Clinical Evaluation of Negative-Pressure Wound Therapy for Infection Prevention Following Malignant Pelvic Bone Tumor Resection Reconstruction. Adv Skin Wound Care 2020; 34:1-6. [PMID: 33323804 DOI: 10.1097/01.asw.0000723280.71047.73] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To evaluate the clinical outcomes of negative-pressure wound therapy (NPWT) for infection prevention following pelvic reconstruction after malignant bone tumor resection. METHODS The study involved 82 patients who underwent pelvic reconstruction following en-bloc resection of malignant bone tumors between January 2003 and January 2016. Forty patients were treated with NPWT via implantation of vacuum-sealing drainage (VSD) materials into the pelvic cavity to prevent infection and wound problems (VSD group), and the remaining 42 patients underwent conventional treatment (control group). Study authors compared the inpatient length of stay, antibiotic use, drainage volume, time to wound closure, and infection rates between groups. Investigators also conducted cell cultures of the wound cavity washing fluid and hematoxylin-eosin staining for VSD materials to find recurrent tumor cells. RESULTS In the VSD group, one patient (2.5%) had a superficial wound problem. In the control group, 18 patients (42.9%) had deep infection or wound problems. The VSD group had a significantly decreased infection rate, duration of antibiotic administration and inpatient stay, as well as increased wound healing compared with the control group (P < .05). Further, no tumor cells were observed in the VSD material or the wound cavity washing fluid. CONCLUSIONS The application of NPWT with VSD material may be an effective and reliable method for preventing infection in patients who undergo pelvic reconstruction following malignant tumor resection.
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25
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McKnight RR, Pean CA, Buck JS, Hwang JS, Hsu JR, Pierrie SN. Virtual Reality and Augmented Reality-Translating Surgical Training into Surgical Technique. Curr Rev Musculoskelet Med 2020; 13:663-674. [PMID: 32779019 PMCID: PMC7661680 DOI: 10.1007/s12178-020-09667-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
PURPOSE OF REVIEW As immersive learning outside of the operating room is increasingly recognized as a valuable method of surgical training, virtual reality (VR) and augmented reality (AR) are increasingly utilized in orthopedic surgical training. This article reviews the evolving nature of these training tools and provides examples of their use and efficacy. The practical and ethical implications of incorporating this technology and its impact on both orthopedic surgeons and their patients are also discussed. RECENT FINDINGS Head-mounted displays (HMDs) represent a possible adjunct to surgical accuracy and education. While the hardware is advanced, there is still much work to be done in developing software that allows for seamless, reliable, useful integration into clinical practice and training. Surgical training is changing: AR and VR will become mainstays of future training efforts. More evidence is needed to determine which training technology translates to improved clinical performance. Volatility within the HMD industry will likely delay advances in surgical training.
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Affiliation(s)
- R Randall McKnight
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1001 Blythe Blvd, Charlotte, NC, 28203, USA.
| | - Christian A Pean
- Department of Orthopedic Surgery, NYU Langone Health, New York, NY, USA
| | - J Stewart Buck
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1001 Blythe Blvd, Charlotte, NC, 28203, USA
| | - John S Hwang
- Department of Orthopedic Surgery, Mount Carmel, Columbus, OH, USA
- Department of Orthopedic Surgery, Orthopedic ONE, Columbus, OH, USA
| | - Joseph R Hsu
- Department of Orthopaedic Surgery, Atrium Health Musculoskeletal Institute, 1001 Blythe Blvd, Charlotte, NC, 28203, USA
| | - Sarah N Pierrie
- Department of Orthopaedics and Center for the Intrepid, San Antonio Military Medical Center, Fort Sam Houston, TX, USA
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26
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Tiwari A, Yadlapalli A, Verma V. Computer navigation assisted tumor surgery for internal hemipelvectomy - Early experience. J Clin Orthop Trauma 2020; 13:63-65. [PMID: 33717877 PMCID: PMC7920113 DOI: 10.1016/j.jcot.2020.08.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 08/19/2020] [Accepted: 08/21/2020] [Indexed: 11/15/2022] Open
Abstract
Internal hemipelvectomy is a surgically challenging entity, owing, among other reasons, to a complex anatomy. The apprehension of an inadequate margin or injury to critical structures adds to the complexity of these major surgical procedures. Computer assisted tumor surgery (CATS) has been increasingly used to improve outcomes of internal hemipelvectomy over the last decade. We analyzed the surgical and postoperative details of first four patients undergoing internal hemipelvectomy with CATS assistance at our institute, the first ever report in an Indian setting. The patients were analyzed for blood loss (mean 1300 ml), operative time (mean 306 min) and hospital stay (mean 7 days). The histopathological margins were free of disease in all the patients, even as the average closest bony margin was 0.9 cm. Sparing of sacral nerve root was made possible by the close yet free margins in two patients. In this retrospective analysis of a small series of patients with computer navigation assisted internal hemipelvectomy, we found this technique to be feasible and effective in achieving the oncological aim of negative margins with preservation of critical structures.
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Affiliation(s)
- Akshay Tiwari
- Corresponding author. Max Institute of Cancer Care, Max Superspecialty Hospital, 2, Press Enclave Road, Saket, New Delhi, India.
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Gómez-Palomo JM, Estades-Rubio FJ, Meschian-Coretti S, Montañez-Heredia E, De Santos-de la Fuente FJ. Internal Hemipelvectomy and Reconstruction Assisted by 3D Printing Technology Using Premade Intraoperative Cutting and Placement Guides in a Patient With Pelvic Sarcoma: A Case Report. JBJS Case Connect 2020; 9:e0060. [PMID: 31855877 DOI: 10.2106/jbjs.cc.19.00060] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
CASE We describe the case of a 75-year-old patient diagnosed with high-grade epithelioid hemangioendothelioma in the left hemipelvis. She underwent an internal hemipelvectomy, followed by reconstruction with a tumor prosthesis with iliac anchorage using 3D-printed cutting and placement guides. Eighteen months postoperatively, she is pain-free and walks without appliances. CONCLUSIONS Using 3D-printed guides could be an appropriate alternative for patients with aggressive bone tumors in the pelvic area that require hemipelvectomy and reconstruction using a prosthesis with iliac anchorage. 3D-printed cutting guides allow precise resection with appropriate margins, could reduce the risk of injuring critical structures, and facilitate proper prosthetic component positioning.
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Affiliation(s)
- Juan Miguel Gómez-Palomo
- Department of Orthopedic Surgery and Traumatology, Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Hospital Quironsalud, Avda. Imperio Argentina, Málaga, Spain
| | - Francisco J Estades-Rubio
- Department of Orthopedic Surgery and Traumatology, Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Stephan Meschian-Coretti
- Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Hospital Quironsalud, Avda. Imperio Argentina, Málaga, Spain
| | - Elvira Montañez-Heredia
- Department of Orthopedic Surgery and Traumatology, Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Francisco J De Santos-de la Fuente
- Department of Orthopedic Surgery and Traumatology, Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga, Spain.,Hospital Quironsalud, Avda. Imperio Argentina, Málaga, Spain
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28
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Albergo JI, Farfalli GL, Ayerza MA, Ritacco LE, Aponte-Tinao LA. Computer-assisted surgery (CAS) in orthopedic oncology. Which were the indications, problems and results in our first consecutive 203 patients? Eur J Surg Oncol 2020; 47:424-428. [PMID: 32653262 DOI: 10.1016/j.ejso.2020.06.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/28/2020] [Accepted: 06/07/2020] [Indexed: 02/06/2023] Open
Abstract
AIMS to review a group of patients with primary bone tumors treated with intraoperative navigation and analyze: (1) The technical problems; (2) Indications for Computer Assisted Surgery (CAS); (3) Oncological results; (4) Non oncological complications. MATERIALS AND METHODS All patients from a single institution who had preoperative virtual planned for an oncological primary bone resection assisted with navigation between May 2010 and July 2017 were enrolled in the study (203 patients). The use of computer-assisted surgery (CAS) was classified according to the oncologic procedure performed: (1) intralesional resections, (2) en-block resections, and (3) en-block resections + navigated allograft reconstructions. RESULTS Four patients (4/203, 2%) of the series presented technical problems which came from 2 software and 2 hardware crashes. Eight (4%) procedures were intralesional resections and no local recurrences or complications were reported in this group. Ninety-eight surgeries (49%) were pure en block resection. The pelvis and sacrum were the main location in this group (57%). All bone margins were defined negative but 2 patients presented a positive resection in the soft tissues. Infection was the most prevalent complication (16/23). Ninety-three procedures were done for en block resections + allograft reconstruction (all extremities tumor). All margins were free of tumor and non oncological rate for this group was 28%. CONCLUSION The main indications for CAS were malignant bone tumors resection. The technical failures precluded navigation use in 2%. CAS for pure en-block resections were mainly indicated in pelvic and sacrum tumors while en-block resection + allograft reconstruction assisted with navigation were only indicated in extremities tumors. LEVEL OF EVIDENCE IV.
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Yang Y, Li Y, Zhang Q, Niu X. A case-control study of computer navigation assisted resection of primary sacral chordoma above sacrum 3 level. J Bone Oncol 2020; 23:100303. [PMID: 32637303 PMCID: PMC7326737 DOI: 10.1016/j.jbo.2020.100303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/25/2020] [Accepted: 06/01/2020] [Indexed: 11/25/2022] Open
Abstract
This is a retrospective case-control study. The computer navigation aided technology can make more cases achieve safe surgical margin. The clear bone resection margins were achieved in all cases in navigation group. The application of computer navigation doesn’t increase the operation time and intraoperative blood loss.
Background The operation of sacral chordoma resection is difficult especial in the tumor above sacrum 3 level and the local recurrence rate was high. The purpose of this study is to analyze the effect of computer navigation aided technology in primary sacral chordoma resection above sacrum 3 level through a case-control study, which including perioperative safety, surgical margin, postoperative recurrence and function results. Methods This is a retrospective case-control study. The clinical data of 25 patients received initial computer-assisted resection of sacral chordoma above the level of sacrum 3 from 2009 to 2016 were analyzed; the patients underwent non-navigation assisted resection of tumor above the level of sacrum 3 in the same period were matched and 25 patients were selected randomly. There was no significant difference between these two groups in gender (P = 0.370), age (P = 0.554), tumor transverse diameter (P = 0.836). The average maximum diameter of tumor in navigation group was significant bigger than that in non-navigation group (P = 0.005). The intraoperative safety results, surgical margin, postoperative complications, recurrence rate and function were compared between these groups. Results There was no significant difference between navigation and non-navigation group in operative time (P = 0.105) and intraoperative blood loss (P = 0.537). There were 18 wide resections, 4 marginal resections and 3 intracapsular resections in navigation group; there were 6 wide resections, 12 marginal resections and 7 intracapsular resections in non-navigation group; the surgical margins of two groups were significant different (P = 0.003). There were 5 cases (20%) and 6 cases (24%) with wound complication in navigation group and non-navigation group (P = 0.733). The average follow-up was 49.6 (16–102) months in navigation group and 51.3 (12–110) months in non-navigation group. Three cases (12%) showed recurrence in navigation group and six cases showed recurrence (24%) in non-navigation group. The surgical margin was significantly related with tumor recurrence (P = 0.000). The average MSTS score was 27.3 (19–30) and 26.5 (20–29) in navigation group and non-navigation group (P = 0.374). Conclusion The computer navigation aided technology can improve the accuracy of primary sacral chordoma resection, and make more cases achieve safe surgical margin. Compared with the traditional operation, the application of computer navigation in the larger tumor resection does not increase the operation time and intraoperative blood loss, which shows good safety.
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Affiliation(s)
- Yongkun Yang
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking, University, Beijing, People's Republic of China
| | - Yuan Li
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking, University, Beijing, People's Republic of China
| | - Qing Zhang
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking, University, Beijing, People's Republic of China
| | - Xiaohui Niu
- Department of Orthopedic Oncology Surgery, Beijing Ji Shui Tan Hospital, Peking, University, Beijing, People's Republic of China
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30
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Fujiwara T, Kaneuchi Y, Stevenson J, Parry M, Kurisunkal V, Clark R, Tsuda Y, Laitinen M, Grimer R, Jeys L. Navigation-assisted pelvic resections and reconstructions for periacetabular chondrosarcomas. Eur J Surg Oncol 2020; 47:416-423. [PMID: 32788097 DOI: 10.1016/j.ejso.2020.05.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 05/19/2020] [Accepted: 05/28/2020] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVES Survival in patients with chondrosarcomas has not improved over 40 years. Although emerging evidence has documented the efficacy of navigation-assisted surgery, the prognostic significance in chondrosarcomas remains unknown. We aimed to assess the clinical benefit of navigation-assisted surgery for pelvic chondrosarcomas involving the peri-acetabulum. METHODS We studied 50 patients who underwent limb-sparing surgery for periacetabular chondrosarcomas performed with navigation (n = 13) without it (n = 37) at a referral musculoskeletal oncology centre between 2000 and 2015. RESULTS The intralesional resection rates in the navigated and non-navigated groups were 8% (n = 1) and 19% (n = 7), respectively; all bone resection margins were clear in the navigated group. The 5-year cumulative incidence of local recurrence was 23% and 56% in the navigated and non-navigated groups, respectively (p = 0.035). There were no intra-operative complications related to use of navigation. There was a trend toward better functional outcomes in the navigated group (mean MSTS score, 67%) than the non-navigated group (mean MSTS score, 60%; p = 0.412). At a mean follow-up of 63 months, the 5-year disease-specific survival was 76% and 53% in the navigated and non-navigated group, respectively (p = 0.085), whilst the 5-year progression-free survival was 62% and 28% in the navigated and non-navigated group, respectively (p = 0.032). CONCLUSION This study confirmed improved local control and progression-free survival with the use of computer navigation in patients with limb-salvage surgery for periacetabular chondrosarcomas, although the advancement in other treatment modalities is required for improvement of disease-specific survival.
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Affiliation(s)
- Tomohiro Fujiwara
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom; Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
| | - Yoichi Kaneuchi
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Jonathan Stevenson
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Michael Parry
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Vineet Kurisunkal
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Rhys Clark
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Yusuke Tsuda
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Minna Laitinen
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom; Department of Orthopaedics and Traumatology, Helsinki University Hospital, Helsinki, Finland
| | - Robert Grimer
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Lee Jeys
- Oncology Service, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, United Kingdom
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31
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Gupta S, Griffin AM, Gundle K, Kafchinski L, Zarnett O, Ferguson PC, Wunder J. Long-term outcome of iliosacral resection without reconstruction for primary bone tumours. Bone Joint J 2020; 102-B:779-787. [PMID: 32475244 DOI: 10.1302/0301-620x.102b6.bjj-2020-0004] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Iliac wing (Type I) and iliosacral (Type I/IV) pelvic resections for a primary bone tumour create a large segmental defect in the pelvic ring. The management of this defect is controversial as the surgeon may choose to reconstruct it or not. When no reconstruction is undertaken, the residual ilium collapses back onto the remaining sacrum forming an iliosacral pseudarthrosis. The aim of this study was to evaluate the long-term oncological outcome, complications, and functional outcome after pelvic resection without reconstruction. METHODS Between 1989 and 2015, 32 patients underwent a Type I or Type I/IV pelvic resection without reconstruction for a primary bone tumour. There were 21 men and 11 women with a mean age of 35 years (15 to 85). The most common diagnosis was chondrosarcoma (50%, n = 16). Local recurrence-free, metastasis-free, and overall survival were assessed using the Kaplan-Meier method. Patient function was evaluated using the Musculoskeletal Tumour Society (MSTS) and Toronto Extremity Salvage Score (TESS). RESULTS At a mean follow-up of 159 months (1 to 207), 23 patients were alive without disease, one was alive with lung metastases, one was alive following local recurrence, four were dead of disease, and three had died from other causes. The overall ten-year survival was 77%. There was only one (3%) local recurrence, which occurred at 26 months. There were 18 complications in 17 patients; 13 wound healing complications/infections, three fractures, one pulmonary embolism, and one dislocation of the hip. Most complications occurred early. The mean functional scores were 21.1 (SD 8.1) for MSTS-87, 67.3 (SD 23.9) for MSTS-93 and 76.2 (SD 20.6) for TESS. CONCLUSION Patients requiring Type I or Type I/IV pelvic resections can expect a good oncological outcome and a high rate of local control. Complications are generally acute in nature and are easily manageable. These patients achieved a good functional outcome without the need for bony reconstruction. Cite this article: Bone Joint J 2020;102-B(6):779-787.
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Affiliation(s)
- Sanjay Gupta
- Department of Trauma and Orthopaedics, Glasgow Royal Infirmary, Glasgow, UK
| | - Anthony M Griffin
- University Musculoskeletal Unit, Mount Sinai Hospital, Toronto, Canada.,Department of Surgery, Division of Orthopaedic Surgery, University of Toronto, Toronto, Canada
| | - Kenneth Gundle
- Oregon Health & Science University, Portland, Oregon, USA
| | - Lisa Kafchinski
- Texas Tech University Health Sciences Center El Paso, El Paso, Texas, USA
| | - Oren Zarnett
- University Musculoskeletal Unit, Mount Sinai Hospital, Toronto, Canada
| | - Peter C Ferguson
- Department of Surgery, Division of Orthopaedic Surgery, University of Toronto, Toronto, Canada
| | - Jay Wunder
- University Musculoskeletal Unit, Mount Sinai Hospital, Toronto, Canada
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Kurisunkal V, Botchu R, Davies AM, James SL, Jeys L. Computer assisted tumour surgery - An insight. J Orthop 2020; 22:268-273. [PMID: 32467658 DOI: 10.1016/j.jor.2020.04.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/06/2020] [Accepted: 04/26/2020] [Indexed: 11/30/2022] Open
Abstract
Success in the management of bone sarcomas entails being able to achieve wide margins, which helps decrease the risk of local recurrence and provide an improvement in overall survival. The role of computer-assisted surgery has been investigated across various areas of orthopaedics, including joint replacement, cruciate ligament reconstruction, and pedicle screw placements which has led to increased interested in computer assisted tumour surgery (CATS). CATS can be used in a wide array of tumour surgeries, however its role in pelvic and sacral tumours is unparalled. Its importance lies in being able to provide radiological information to guide the surgeon at the time of surgery i.e. the distance from the tumour to the resection margin can be determined precisely based on preoperative planning and intra-operative image guidance. This minimises unnecessary bone resection, aiming to achieve good oncological and functional results which can be challenging in pelvic surgery. Most published articles on CATS have concentrated on the surgical aspects of navigation surgery. Although advanced imaging techniques such as magnetic resonance imaging (MRI) and computed tomography (CT) scans can provide anatomic detail about the primary tumour, the successful transfer of that information from a viewing screen to the intraoperative field can be difficult. The role of the radiologist lies in being able to provide appropriate imaging (CT, MRI) to facilitate surgical planning. This article aims at providing the radiologist a surgical insight on CATS and to facilitate optimal imaging in a patient tentatively being planned for CATS.
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Affiliation(s)
- V Kurisunkal
- Department of Orthopaedic Oncology Royal Orthopaedic Hospital, Birmingham, UK
| | - R Botchu
- Department of Musculoskeletal Radiology, Royal Orthopaedic Hospital, Birmingham, UK
| | - A M Davies
- Department of Musculoskeletal Radiology, Royal Orthopaedic Hospital, Birmingham, UK
| | - S L James
- Department of Musculoskeletal Radiology, Royal Orthopaedic Hospital, Birmingham, UK
| | - L Jeys
- Department of Orthopaedic Oncology Royal Orthopaedic Hospital, Birmingham, UK
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Maru T, Imanishi J, Torigoe T, Saita K, Kadono Y, Yazawa Y. Navigation-assisted surgery for chondroblastoma arising in the femoral head: A case report. Int J Surg Case Rep 2020; 70:8-12. [PMID: 32334178 PMCID: PMC7183096 DOI: 10.1016/j.ijscr.2020.03.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 03/28/2020] [Indexed: 01/17/2023] Open
Abstract
We reported the first case to use navigation for the femoral head chondroblastoma. Visualization of tumor on navigation helps to minimize unnecessary destruction. Navigation assistance is an optimal surgical option for chondroblastoma in the femoral head.
Introduction Surgery for chondroblastoma in the femoral head is challenging due to its inaccessibility, with high risk of local recurrence and poor functional outcomes reported. We herein report the first case of chondroblastoma in the femoral head treated by navigation-assisted surgery. Presentation of case A 12-year-old girl presented with persistent left hip pain and limited hip range of motion. Imaging studies revealed a well-defined osteolytic lesion in the left femoral head accompanied by extensive intra-osseous oedematous change. The bone lesion was radiologically diagnosed as chondroblastoma. With navigation assistance, curettage was performed via the anterior approach. The tumor was fully accessible from the femoral neck. After curettage, the bony defect was filled with bone substitute. The pathological diagnosis was chondroblastoma. The post-operative course was uneventful. Thirty months postoperatively, the patient was free of pain with full hip range of motion, and MR images showed no evidence of recurrence or osteonecrosis. Discussion This case is the first to use a navigation system for the treatment of chondroblastoma in the femoral head. The navigation system can minimize damage to intact structures and increase the efficiency of curettage by visualizing access to the tumor. Conclusion Navigation assistance is an optimal surgical option for chondroblastoma in the femoral head.
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Affiliation(s)
- Takanori Maru
- Department of Orthopaedic Oncology and Surgery, Saitama Medical University International Medical Center, Japan; Department of Orthopaedic Surgery, Saitama Medical Center, Saitama Medical University, Japan
| | - Jungo Imanishi
- Department of Orthopaedic Oncology and Surgery, Saitama Medical University International Medical Center, Japan; Department of Orthopaedic Surgery, Saitama Medical University Hospital, Japan.
| | - Tomoaki Torigoe
- Department of Orthopaedic Oncology and Surgery, Saitama Medical University International Medical Center, Japan
| | - Kazuo Saita
- Department of Orthopaedic Surgery, Saitama Medical Center, Saitama Medical University, Japan
| | - Yuho Kadono
- Department of Orthopaedic Surgery, Saitama Medical University Hospital, Japan
| | - Yasuo Yazawa
- Department of Orthopaedic Oncology and Surgery, Saitama Medical University International Medical Center, Japan
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Fujiwara T, Sree DV, Stevenson J, Kaneuchi Y, Parry M, Tsuda Y, Le Nail L, Medellin RM, Grimer R, Jeys L. Acetabular reconstruction with an ice‐cream cone prosthesis following resection of pelvic tumors: Does computer navigation improve surgical outcome? J Surg Oncol 2020; 121:1104-1114. [DOI: 10.1002/jso.25882] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 02/17/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Tomohiro Fujiwara
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
- Department of Orthopaedic SurgeryOkayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama Japan
| | - Deepak V. Sree
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Jonathan Stevenson
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Yoichi Kaneuchi
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Michael Parry
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Yusuke Tsuda
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Louis‐Romée Le Nail
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Ricardo M. Medellin
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Robert Grimer
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
| | - Lee Jeys
- Department of OncologyThe Royal Orthopaedic Hospital NHS Foundation Trust Birmingham UK
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Lee YC, Lee R. Image-guided pedicle screws using intraoperative cone-beam CT and navigation. A cost-effectiveness study. J Clin Neurosci 2020; 72:68-71. [PMID: 31964560 DOI: 10.1016/j.jocn.2020.01.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 01/06/2020] [Indexed: 10/25/2022]
Abstract
Image-guided surgery using intraoperative cone-beam CT and navigation improves screw placement accuracy rates. However, this technology is associated with high acquisition costs. The aim of this study is to evaluate the costs of revision surgery from symptomatic pedicle screw malposition to justify whether the costs of acquiring intraoperative navigation justify the expected benefits. This is a retrospective cost-effectiveness analysis of consecutive patients who had pedicle screw instrumentation using intraoperative cone-beam CT and navigation compared with patients who underwent freehand pedicle screw instrumentation at our institution over 4 years. The costs associated with revision surgery for symptomatic pedicle screw malposition (excess length of stay, intensive care, theatre time, implants and additional outpatient appointments) were calculated. A total of 19 patients had symptomatic screw malpositioning requiring revision surgery. None of these patients had screws inserted under navigation. Revision surgery accounted for an extra 304 bed days and an additional 97 h theatre time. The total extra spent over 4 years was £464,038. When compared to the costs of revision surgery for screw malpositioning, it was cost neutral to acquire and maintain this technology. Intraoperative image-guided surgery reduces reoperation rates for symptomatic screw malposition and is cost-effective in high volume centers with improved patients outcomes. High acquisition and maintenance cost of such technologies is economically justifiable.
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Affiliation(s)
- Yu Chao Lee
- Spinal Surgery Unit, Royal National Orthopaedic Hospital NHS Trust, Brockley Hill, Stanmore HA7 4LP, United Kingdom
| | - Robert Lee
- Spinal Surgery Unit, Royal National Orthopaedic Hospital NHS Trust, Brockley Hill, Stanmore HA7 4LP, United Kingdom.
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Xu M, Zheng K, Zhao J, Bai WZ, Yu XC. En Bloc Resection and Pelvic Ring Reconstruction for Primary Malignant Bone Tumors Involving Sacroiliac Joint. Orthop Surg 2019; 11:1120-1126. [PMID: 31755239 PMCID: PMC6904654 DOI: 10.1111/os.12563] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 10/08/2019] [Indexed: 12/01/2022] Open
Abstract
Objective To observe the process of sacroiliac joint invasion by primary malignant tumors of sacrum and iliac bone, and to explore the methods of surgical resection and reconstruction. Methods From January 2009 to November 2017, there were nine patients with primary malignant bone tumors involving sacroiliac joints, five males and four females, aged from 16 to 63 years, with an average age of 35 years. Of these there were three cases of primitive neuroectodermal tumors, three cases of chondrosarcoma, and three cases of osteosarcoma. Pelvic ring reconstruction was performed with longitudinal half sacrum, sacroiliac joint and partial iliac bone block excision and screw‐rod system combined with bone grafting. Results The operation time was 155–310 min, with an average of 245 ± 55 min, and the bleeding volume was 1400–8500 ml, with an average of 3111 ± 2189 ml. Follow‐up ranged from 5 to 108 months, with a median follow‐up of 24 months. Three patients (33.3%) had local recurrence, three patients (33.3%) survived without tumors, and one patient had lung metastasis 2 years after operation, and survived with tumors. Five patients (55.6%) died, of which four died of lung metastasis and one died of brain metastasis. Survival analysis showed that the 3‐year overall survival rate was 57%. Bone grafts did not heal in four patients, and bone grafts healed in five patients. The healing time ranged from 5 to 7 months, with an average of 6.2 months. Complications: one patient developed deep infection 2 months after operation; one patient had skin edge necrosis; titanium rod loosening and displacement were found in two patients with nonunion of bone graft, and no fracture of nail rod was found. The MSTS 93 functional score of nine patients ranged from 20% to 50%, with an average of 34%. Conclusion The tumors around the sacroiliac joint often invade the contralateral bone by ligament, and the en bloc resection and pelvic ring reconstruction for primary malignant bone tumors involving sacroiliac joint was feasible.
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Affiliation(s)
- Ming Xu
- Department of Orthopaedics, The 960th Hospital of PLA, Jinan, China
| | - Kai Zheng
- Department of Orthopaedics, The 960th Hospital of PLA, Jinan, China
| | - Jie Zhao
- Department of Orthopaedics, The 960th Hospital of PLA, Jinan, China
| | - Wen-Zhe Bai
- Department of Orthopaedics, The 960th Hospital of PLA, Jinan, China
| | - Xiu-Chun Yu
- Department of Orthopaedics, The 960th Hospital of PLA, Jinan, China
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Biologic treatment options for the hip: A narrative review. CURRENT ORTHOPAEDIC PRACTICE 2019. [DOI: 10.1097/bco.0000000000000814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Heunis JC, Cheah JW, Sabnis AJ, Wustrack RL. Use of three-dimensional printing and intraoperative navigation in the surgical resection of metastatic acetabular osteosarcoma. BMJ Case Rep 2019; 12:12/9/e230238. [PMID: 31570349 DOI: 10.1136/bcr-2019-230238] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
A 21-year-old man underwent a joint-preserving posterior acetabular resection of metastatic osteosarcoma using a three-dimensional (3D) printed model and intraoperative navigation. The combined application of these advanced technologies can allow for surgical planning of osteotomies involving complex anatomy and help guide resections intraoperatively. They can maximise the achievement of negative oncological margins, preservation of native hip stability and critical neurovascular structures, and optimal postoperative function in an effort to resect all clinically evident disease. For this particular patient, with secondary bony metastases, they allowed for a safe and well-tolerated procedure that ultimately afforded him palliative benefit, improved quality of life and, conceivably, prolonged survival in the setting of a devastating prognosis. Although he, sadly, has since passed away, he survived for over 2 years after initial metastasis with preserved hip stability and the ability to graduate college, stay active and maintain a quality of life that addressed his goals of care.
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Affiliation(s)
- Julia C Heunis
- Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, California, USA
| | - Jonathan W Cheah
- Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, California, USA
| | - Amit J Sabnis
- Department of Pediatrics, University of California San Francisco, San Francisco, California, USA
| | - Rosanna L Wustrack
- Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, California, USA
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Application of Percutaneous Osteoplasty in Treating Pelvic Bone Metastases: Efficacy and Safety. Cardiovasc Intervent Radiol 2019; 42:1738-1744. [DOI: 10.1007/s00270-019-02320-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 08/20/2019] [Indexed: 12/22/2022]
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Can Navigation Improve the Ability to Achieve Tumor-free Margins in Pelvic and Sacral Primary Bone Sarcoma Resections? A Historically Controlled Study. Clin Orthop Relat Res 2019; 477:1548-1559. [PMID: 31107331 PMCID: PMC6999970 DOI: 10.1097/corr.0000000000000766] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anatomic and surgical complexity make pelvic and sacral bone sarcoma resections challenging. Positive surgical margins are more likely to occur in patients with pelvic and sacral bone sarcomas than in those with extremity sarcomas and are associated with an increased likelihood of local recurrence. Intraoperative navigation techniques have been proposed to improve surgical accuracy in achieving negative margins, but available evidence is limited to experimental (laboratory) studies and small patient series. Only one small historically controlled study is available. Because we have experience with both approaches, we wanted to assess whether navigation improves our ability to achieve negative resection margins. QUESTIONS/PURPOSES Are navigated resections for pelvic and sacral primary bone sarcomas better able to achieve adequate surgical margins than nonnavigated resections? METHODS Thirty-six patients with pelvic or sacral sarcomas treated with intraoperative navigation were retrospectively compared with 34 patients undergoing resections without navigation. All patients underwent resections between 2000 and 2017 with the intention to achieve a wide margin. Patients in the navigation group underwent surgery between 2008 and 2017; during this period, all resections of pelvic and sacral primary bone sarcomas with the intention to achieve a wide margin were navigation-assisted by either CT fluoroscopy or intraoperative CT. Patients in the control group underwent surgery before 2008 (when navigation was unavailable at our institution), to avoid selection bias. We did not attempt to match patients to controls. Nonnavigated resections were performed by two senior orthopaedic surgeons (with 10 years and > 25 years of experience). Navigated resections were performed by a senior orthopaedic surgeon with much experience in surgical navigation. The primary outcome was the bone and soft-tissue surgical margin achieved, classified by a modified Enneking system. Wide margins (≥ 2 mm) and wide-contaminated margins, in which the tumor or its pseudocapsule was exposed intraoperatively but further tissue was removed to achieve wide margins, were considered adequate; marginal (0-2 mm) and intralesional margins were considered inadequate. RESULTS Adequate bone margins were achieved in more patients in the navigated group than in the nonnavigation group (29 of 36 patients [81%] versus 17 of 34 [50%]; odds ratio, 4.14 [95% CI, 1.43-12.01]; p = 0.007). With the numbers available, we found no difference in our ability to achieve adequate soft-tissue margins between the navigation and nonnavigation group (18 of 36 patients [50%] versus 18 of 34 [54%]; odds ratio, 0.89 [95% CI, 0.35-2.27]; p = 0.995). CONCLUSIONS Intraoperative guidance techniques improved our ability to achieve negative bony margins when performing surgical resections in patients with pelvic and sacral primary bone sarcomas. Achieving adequate soft-tissue margins remains a challenge, and these margins do not appear to be influenced by navigation. Larger studies are needed to confirm our results, and longer followup of these patients is needed to determine if the use of navigation will improve survival or the risk of local recurrence. LEVEL OF EVIDENCE Level III, therapeutic study.
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Haddad FS. International perspectives are important. Bone Joint J 2019; 101-B:353-354. [PMID: 30929486 DOI: 10.1302/0301-620x.101b4.bjj-2019-0244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- F S Haddad
- The Bone & Joint Journal, Professor of Orthopaedic Surgery, University College London Hospitals, The Princess Grace Hospital, and The NIHR Biomedical Research Centre at UCLH, London, UK
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Nandra R, Matharu G, Stevenson J, Parry M, Grimer R, Jeys L. Long-term outcomes after an initial experience of computer-navigated resection of primary pelvic and sacral bone tumours. Bone Joint J 2019; 101-B:484-490. [PMID: 30929483 DOI: 10.1302/0301-620x.101b4.bjj-2018-0981.r1] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Aims The aim of this study was to investigate the local recurrence rate at an extended follow-up in patients following navigated resection of primary pelvic and sacral tumours. Patients and Methods This prospective cohort study comprised 23 consecutive patients (nine female, 14 male) who underwent resection of a primary pelvic or sacral tumour, using computer navigation, between 2010 and 2012. The mean age of the patients at the time of presentation was 51 years (10 to 77). The rates of local recurrence and mortality were calculated using the Kaplan–Meier method. Results Bone resection margins were all clear and there were no bony recurrences. At a mean follow-up for all patients of 59 months (12 to 93), eight patients (34.8%) developed soft-tissue local recurrence, with a cumulative rate of local recurrence at six-years of 35.1% (95% confidence interval (CI) 19.3 to 58.1). The cumulative all-cause rate of mortality at six-years was 26.1% (95% CI 12.7 to 49.1). Conclusion Despite the positive early experience with navigated-assisted resection, local recurrence rates remain high. With increasing knowledge of the size of soft-tissue margins required to reduce local recurrence and the close proximity of native structures in the pelvis, we advise against compromising resection to preserve function, and encourage surgeons to reduce local recurrence by prioritizing wide resection margins of the tumour. Cite this article: Bone Joint J 2019;101-B:484–490.
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Affiliation(s)
- R. Nandra
- West Midlands Deanery, Birmingham, UK
| | | | - J. Stevenson
- The Royal Orthopaedic Hospital, Birmingham, UK
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - M. Parry
- The Royal Orthopaedic Hospital, Birmingham, UK
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - R. Grimer
- The Royal Orthopaedic Hospital, Birmingham, UK
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - L. Jeys
- The Royal Orthopaedic Hospital, Birmingham, UK
- School of Life and Health Sciences, Aston University, Birmingham, UK
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Combined Application of Modified Three-Dimensional Printed Anatomic Templates and Customized Cutting Blocks in Pelvic Reconstruction After Pelvic Tumor Resection. J Arthroplasty 2019; 34:338-345.e1. [PMID: 30497901 DOI: 10.1016/j.arth.2018.10.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 09/20/2018] [Accepted: 10/02/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Common three-dimensional (3D)-printed anatomic templates have generally been used to reconstruct the pelvis after zone II and III borderline pelvic tumor resection. However, gradual increases in postoperative implant complications and the tumor recurrence rate have been observed. This study aimed to introduce the innovative application of a modified 3D-printed anatomic template with a customized cutting block for pelvic reconstruction and to comparatively analyze the common and modified 3D-printed anatomic templates. METHODS A total of 38 patients were included in this study and were allocated to 2 groups (19 patients/group). Group A received innovative therapy, and Group B received traditional therapy. All patients were questioned in detail about age, location, and duration of the mass and associated symptoms, and routine blood tests, such as serological tests, were administered. RESULTS We found that the modified 3D-printed anatomic template with a customized cutting block resulted in a shorter operating time, smaller bleeding loss, and simpler operation than the common 3D-printed anatomic template. Additionally, the tumor recurrence rate was lower and the accuracy of tumor resection was much greater for the modified 3D-printed anatomic template with a customized cutting block. However, compared with the traditional therapy, the innovative therapy had a significantly higher rate of implant loosening. CONCLUSION The innovative therapy can increase surgical safety and reduce recurrence after tumor resection relative to the traditional therapy. Additionally, the innovative therapy reconstructs the pelvis of zone III to improve the quality of patient life. However, the innovative therapy with implant loosening should be improved.
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Lam YL, Chan ACL. Editorial on "Can navigation-assisted surgery help achieve negative margins in resection of pelvic and sacral tumor?". JOURNAL OF SPINE SURGERY 2018; 4:681-683. [PMID: 30547139 DOI: 10.21037/jss.2018.07.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ying-Lee Lam
- Department of Orthopaedics and Traumatology, Queen Mary Hospital, Hong Kong, China
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Fang X, Yu Z, Xiong Y, Yuan F, Liu H, Wu F, Zhang W, Luo Y, Song L, Tu C, Duan H. Improved virtual surgical planning with 3D- multimodality image for malignant giant pelvic tumors. Cancer Manag Res 2018; 10:6769-6777. [PMID: 30584370 PMCID: PMC6289120 DOI: 10.2147/cmar.s185737] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
PURPOSE We sought to assess the early clinical outcome of 3D-multimodality image (3DMMI)-based virtual surgical planning for resection and reconstruction of malignant giant pelvic tumors. PATIENTS AND METHODS In this retrospective case-control study, surgery was planned and performed with 3DMMI-based patient-specific instruments (PSI) in 13 patients with giant pelvic malignancy and without 3DMMI-based PSI in the other 13 patients. In the 3DMMI group, 3DMMI was utilized, taking advantages of computed tomography (CT), contrast-enhanced CT angiography (CTA), contrast-enhanced magnetic resonance imaging (MRI), contrast-enhanced magnetic resonance neurography (MRN), which could reveal the whole tumor and all adjacent vital structures. Based on these 3DMMI, virtual surgical planning was conducted and the corresponding PSI was then designed. The median follow-up was 8 (3-24) months. The median age at operation was 37.5 (17-64) years. The mean tumor size in maximum diameter was 13.3 cm. Surgical margins, intraoperative and postoperative complications, duration of surgery, and intra-operative blood loss were analyzed. RESULTS In the non-3DMMI group, the margins were wide in six patients (6/13), marginal in four (4/13), wide-contaminated in two (2/13), and intralesional in one (1/13). In the 3DMMI group, the margins were wide in 10 patients (10/13), marginal in three (3/13), and there were no wide-contaminated or intralesional margins. The 3DMMI group achieved shorter duration of surgery (P=0.354) and lower intraoperative blood loss (P=0.044) than the non-3DMMI group. Conclusion: The 3DMMI-based technique is advantageous to obtain negative surgical margin and decrease surgical complications related to critical structures injury for malignant giant pelvic tumor.
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Affiliation(s)
- Xiang Fang
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
| | - Zeping Yu
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
| | - Yan Xiong
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
| | - Fang Yuan
- Department of Radiology, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Hongyuan Liu
- Department of Orthopedics, Sichuan Provincial Fifth People's Hospital, Chengdu, Sichuan, People's Republic of China
| | - Fan Wu
- Department of Orthopedics, Fourth People's Hospital of ZiGong, Sichuan, People's Republic of China
| | - Wenli Zhang
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
| | - Yi Luo
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
| | - Liuhong Song
- Department of Orthopedics, People's Hospital of Pengzhou, Sichuan, People's Republic of China
| | - Chongqi Tu
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
| | - Hong Duan
- Department of Orthopedics, West China School of Medicine/West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China,
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Adult Primary Bone Sarcoma and Time to Treatment Initiation: An Analysis of the National Cancer Database. Sarcoma 2018; 2018:1728302. [PMID: 30533997 PMCID: PMC6252187 DOI: 10.1155/2018/1728302] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 10/14/2018] [Indexed: 02/06/2023] Open
Abstract
Objective The time to treatment interval (TTI), defined as the period from diagnosis to first definitive treatment, has very limited descriptions toward understanding delays in primary bone sarcoma (PBS) care. Our primary goal was to determine the national standard for time to treatment initiation (TTI) in PBS in adults and to identify characteristics associated with TTI variability. Methods An analysis of the National Cancer Database identified 15,083 adult patients with PBS diagnosed from 2004 to 2013. Kruskal–Wallis analysis identified differences between covariates regarding TTI and regression modeling identified covariates that independently influenced TTI. Results The median TTI was 22 days. Approximately 60% of patients were definitively treated in the same center where the index diagnosis was made. Increased TTI was correlated with a transition in care institution (incidence rate ratio (IRR) = 1.89; P < 0.001), being uninsured (IRR = 1.36; P < 0.001), primary tumor site in the pelvis (IRR = 1.26; P < 0.001), Medicaid insurance status (IRR = 1.22; P < 0.001), care at an academic center (IRR = 1.14; P < 0.001), non-white race (IRR = 1.12; P=0.002), and Medicare insurance status (IRR = 1.08; P=0.017). Decreased TTI was correlated with a diagnosis of chondrosarcoma (IRR = 0.85; P < 0.001), having surgery as the index treatment (IRR = 0.88; P < 0.001), a primary tumor site of the lower (IRR = 0.91; P=0.001) or upper extremity (IRR = 0.92; P=0.023), and stage II or stage III disease (IRR = 0.91; P=0.010). Conclusions TTI is associated with tumor, treatment, and socioeconomic and healthcare system characteristics. Transitions in care between institutions are responsible for the greatest increase in TTI. As TTI is more commonly used as a quality metric, physicians need to be aware of the causes for prolonged TTI, as we work to improve national delays in diagnosis and treatment initiation.
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Guided Pelvic Resections in Tumor Surgery. Tech Orthop 2018. [DOI: 10.1097/bto.0000000000000299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Affiliation(s)
- F S Haddad
- NIHR University College London Hospitals Biomedical Research Centre, UK
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Davidson D. CORR Insights®: Is Navigation-guided En Bloc Resection Advantageous Compared With Intralesional Curettage for Locally Aggressive Bone Tumors? Clin Orthop Relat Res 2018. [PMID: 29529634 PMCID: PMC6260033 DOI: 10.1007/s11999.0000000000000137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Abstract
Navigation in surgery has increasingly become more commonplace. The use of this technological advancement has enabled ever more complex and detailed surgery to be performed to the benefit of surgeons and patients alike. This is particularly so when applying the use of navigation within the field of orthopedic oncology. The developments in computer processing power coupled with the improvements in scanning technologies have permitted the incorporation of navigational procedures into day-to-day practice. A comprehensive search of PubMed using the search terms "navigation", "orthopaedic" and "oncology" yielded 97 results. After filtering for English language papers, excluding spinal surgery and review articles, this resulted in 38 clinical studies and case reports. These were analyzed in detail by the authors (GM and JS) and the most relevant papers reviewed. We have sought to provide an overview of the main types of navigation systems currently available within orthopedic oncology and to assess some of the evidence behind its use.
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Affiliation(s)
- Guy Vernon Morris
- The Oncology Department, The Royal Orthopaedic Hospital NHS Trust, Birmingham, West Midlands, United Kingdom,Address for correspondence: Dr. Guy Vernon Morris, The Oncology Unit, The Royal Orthopaedic Hospital NHS Trust, Bristol Road South, Birmingham B31 2AP, West Midlands, United Kingdom. E-mail:
| | - Jonathan D Stevenson
- The Oncology Department, The Royal Orthopaedic Hospital NHS Trust, Birmingham, West Midlands, United Kingdom
| | - Scott Evans
- The Oncology Department, The Royal Orthopaedic Hospital NHS Trust, Birmingham, West Midlands, United Kingdom
| | - Michael C Parry
- The Oncology Department, The Royal Orthopaedic Hospital NHS Trust, Birmingham, West Midlands, United Kingdom
| | - Lee Jeys
- The Oncology Department, The Royal Orthopaedic Hospital NHS Trust, Birmingham, West Midlands, United Kingdom,School of Health and Life Sciences, Aston University, Birmingham, United Kingdom
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