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Zhang Z, Li Z, Wang D, Feng J, Feng Q. Investigating the Impact of Pore Size and Specification on Soft Tissue Ingrowth in 3D-Printed PEEK Material. Macromol Biosci 2024; 24:e2400278. [PMID: 39348166 DOI: 10.1002/mabi.202400278] [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] [Received: 06/13/2024] [Revised: 09/05/2024] [Indexed: 10/01/2024]
Abstract
Bone pelvis tumor resection and reconstruction is a complex surgical procedure that poses challenges in soft tissue reconstruction despite advancements in stabilizing pelvic structure. This study aims to investigate the potential of using Polyetheretherketone (PEEK) material in repairing and reconstructing soft tissues surrounding pelvic implants. Specifically, the study focuses on exploring the effectiveness of 3D printed porous PEEK material in promoting cell growth and adhesion. The interaction between PEEK materials with different pore sizes (200, 400, 600 µm) and different specifications (through-hole (T)/non-through-hole (C)) is evaluated by cell experiments and animal experiments. The soft tissue ingrowth potential of PEEK materials is evaluated by cell growth and adhesion observation. The findings indicate that PEEK material, particularly the T400 variant, exhibits stronger interaction with muscle tissue compared to its interaction with bone and fibrous tissue. The moderately sized pores present in the T400 material facilitate enhanced cell adhesion and penetration, thereby promoting cell growth and differentiation. PEEK materials with through-hole structures show promise for applications involving the repair and reconstruction of soft tissues and muscle tissue. The study provides valuable insights into the development and application of biomedical materials, specifically PEEK, contributing to the advancement of pelvic tumor resection and reconstruction techniques.
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Affiliation(s)
- Zibo Zhang
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050010, China
| | - Zenghuai Li
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050010, China
| | - Donglai Wang
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050010, China
| | - Jiangang Feng
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050010, China
| | - Qi Feng
- Department of Orthopedics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050010, China
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du Cluzel de Remaurin X, Dumaine V, Cladiere-Nassif V, Anract P, Biau D. Patient-specific guides for consistently achieving R0 bone margins after resection of primary malignant bone tumors of the pelvis. World J Surg Oncol 2024; 22:233. [PMID: 39232698 PMCID: PMC11375823 DOI: 10.1186/s12957-024-03478-3] [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] [Received: 04/10/2024] [Accepted: 07/17/2024] [Indexed: 09/06/2024] Open
Abstract
AIMS Primary malignant bone tumor of the pelvis is an uncommon lesion, the resection of which via freehand osteotomy is subject to inaccuracy due to its three-dimensional anatomy. Patient-Specific Guides (PSG), also called Patient-Specific Instruments (PSI) are essential to ensure surgical planning and resection adequacy. Our aim was to assess their use and effectiveness. METHODS A monocentric retrospective study was conducted on 42 adult patients who underwent PSG-based resection of a primary malignant bone tumor of the pelvis. The primary outcome was the proportion of R0 bone margins. The secondary outcomes were the proportion of overall R0 margins, considering soft-tissue resection, the cumulative incidence of local recurrence, and the time of production for the guides. A comparison to a previous series at our institution was performed regarding histological margins. RESULTS Using PSGs, 100% R0 safe bone margin was achieved, and 88% overall R0 margin due to soft-tissue resection being contaminated, while the comparison to the previous series showed only 80% of R0 safe bone margin. The cumulative incidences of local recurrence were 10% (95% CI: 4-20%) at one year, 15% (95% CI: 6-27%) at two years, and 19% (95% CI: 8-33%) at five years. The median overall duration of the fabrication process of the guide was 35 days (Q1-Q3: 26-47) from the first contact to the surgery date. CONCLUSIONS Patient-Specific Guides can provide a reproducible safe bony margin.
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Affiliation(s)
- Xavier du Cluzel de Remaurin
- Orthopaedic and Traumatology Department, Cochin Hospital, Paris Cité University, 27, rue du Faubourg-Saint-Jacques, Paris, 75014, France.
| | - Valerie Dumaine
- Orthopaedic and Traumatology Department, Cochin Hospital, Paris Cité University, 27, rue du Faubourg-Saint-Jacques, Paris, 75014, France
| | - Victoire Cladiere-Nassif
- Orthopaedic and Traumatology Department, Cochin Hospital, Paris Cité University, 27, rue du Faubourg-Saint-Jacques, Paris, 75014, France
| | - Philippe Anract
- Orthopaedic and Traumatology Department, Cochin Hospital, Paris Cité University, 27, rue du Faubourg-Saint-Jacques, Paris, 75014, France
| | - David Biau
- Orthopaedic and Traumatology Department, Cochin Hospital, Paris Cité University, 27, rue du Faubourg-Saint-Jacques, Paris, 75014, France
- Inserm U1153, Paris Cité University, 1 Parvis Notre-Dame - Pl. Jean-Paul II, Paris, 75004, France
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Du X, Wei H, Zhang B, Gao S, Li Z, Cheng Y, Fan Y, Zhou X, Yao W. Experience in utilizing a novel 3D digital model with CT and MRI fusion data in sarcoma evaluation and surgical planning. J Surg Oncol 2022; 126:1067-1073. [PMID: 35779067 DOI: 10.1002/jso.26999] [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: 01/26/2022] [Revised: 05/31/2022] [Accepted: 06/23/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To assess sarcoma margins with more accuracy and aid surgical planning, we constructed three-dimensional (3D) digital models with computed tomography(CT) and magnetic resonance imaging (MRI) image fusion data and validated the preciseness of the models by comparing them with 3D models constructed with CT only data. MATERIALS AND METHODS We retrospectively reviewed a consecutive set of patients treated in our center who were preoperatively evaluated with the fusion image model. Models based on fusion images or CT-only data were constructed. Volumes of both tumors were calculated and the tumors were overlapped to see the location of differences between the two models. RESULTS A consecutive 12 cases (4 male vs. 8 female) were included in this study. Most of the tumors were located in the pelvic bone or spine. The volume of the two tumor models was different and the differences were mainly in the peripheral region of the tumor. CONCLUSION CT and MRI fusion image 3D models are more accurate than models with CT-only data and can be very helpful in preoperative planning of sarcoma patients.
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Affiliation(s)
- Xinhui Du
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.,Key Laboratory for Digital Assessment of Spinal-Pelvic Tumor and Surgical Aid Tools Design (Zhengzhou), Zhengzhou, Henan, China.,Key Laboratory for Perioperative Digital Assessment of Bone Tumors (Henan), Zhengzhou, Henan, China
| | - Hua Wei
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Boya Zhang
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.,Key Laboratory for Digital Assessment of Spinal-Pelvic Tumor and Surgical Aid Tools Design (Zhengzhou), Zhengzhou, Henan, China.,Key Laboratory for Perioperative Digital Assessment of Bone Tumors (Henan), Zhengzhou, Henan, China
| | - Shilei Gao
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.,Key Laboratory for Digital Assessment of Spinal-Pelvic Tumor and Surgical Aid Tools Design (Zhengzhou), Zhengzhou, Henan, China.,Key Laboratory for Perioperative Digital Assessment of Bone Tumors (Henan), Zhengzhou, Henan, China
| | - Zhehuang Li
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.,Key Laboratory for Digital Assessment of Spinal-Pelvic Tumor and Surgical Aid Tools Design (Zhengzhou), Zhengzhou, Henan, China.,Key Laboratory for Perioperative Digital Assessment of Bone Tumors (Henan), Zhengzhou, Henan, China
| | - Yu Cheng
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | - Yichao Fan
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.,Key Laboratory for Digital Assessment of Spinal-Pelvic Tumor and Surgical Aid Tools Design (Zhengzhou), Zhengzhou, Henan, China.,Key Laboratory for Perioperative Digital Assessment of Bone Tumors (Henan), Zhengzhou, Henan, China
| | - Xiaotian Zhou
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | - Weitao Yao
- Bone and Soft Tissue Department, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China.,Key Laboratory for Digital Assessment of Spinal-Pelvic Tumor and Surgical Aid Tools Design (Zhengzhou), Zhengzhou, Henan, China.,Key Laboratory for Perioperative Digital Assessment of Bone Tumors (Henan), Zhengzhou, Henan, China
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Habib A, Jovanovich N, Muthiah N, Alattar A, Alan N, Agarwal N, Ozpinar A, Hamilton DK. 3D printing applications in spine surgery: an evidence-based assessment toward personalized patient care. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2022; 31:1682-1690. [PMID: 35590016 DOI: 10.1007/s00586-022-07250-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Spine surgery entails a wide spectrum of complicated pathologies. Over the years, numerous assistive tools have been introduced to the modern neurosurgeon's armamentarium including neuronavigation and visualization technologies. In this review, we aimed to summarize the available data on 3D printing applications in spine surgery as well as an assessment of the future implications of 3D printing. METHODS We performed a comprehensive review of the literature on 3D printing applications in spine surgery. RESULTS Over the past decade, 3D printing and additive manufacturing applications, which allow for increased precision and customizability, have gained significant traction, particularly spine surgery. 3D printing applications in spine surgery were initially limited to preoperative visualization, as 3D printing had been primarily used to produce preoperative models of patient-specific deformities or spinal tumors. More recently, 3D printing has been used intraoperatively in the form of 3D customizable implants and personalized screw guides. CONCLUSIONS Despite promising preliminary results, the applications of 3D printing are so recent that the available data regarding these new technologies in spine surgery remains scarce, especially data related to long-term outcomes.
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Affiliation(s)
- Ahmed Habib
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA.,Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Nicolina Jovanovich
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Nallammai Muthiah
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA
| | - Ali Alattar
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA
| | - Nima Alan
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA
| | - Nitin Agarwal
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA
| | - Alp Ozpinar
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA.
| | - David Kojo Hamilton
- Department of Neurosurgery, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, USA
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Downey AC, Mathews KG, Borst L. Cranial internal hemipelvectomy (iliectomy) with limb sparing for a dog with ilial chondrosarcoma: A case report. Clin Case Rep 2022; 10:e05262. [PMID: 35035961 PMCID: PMC8752459 DOI: 10.1002/ccr3.5262] [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: 02/10/2021] [Revised: 08/29/2021] [Accepted: 11/04/2021] [Indexed: 12/17/2022] Open
Abstract
Cranial internal hemipelvectomy can be successful for excision of ilial CSA with minimal complications. Iliectomy with adjuvant radiation therapy was well tolerated in a dog with grade II ilial CSA. The dog survived 1,271 days postoperatively and supposedly succumbed to a disease process unrelated to the CSA.
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Affiliation(s)
- Amy C. Downey
- Department of Clinical SciencesCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - Kyle G. Mathews
- Department of Clinical SciencesCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - Luke Borst
- Department of Population Health and PathobiologyCollege of Veterinary MedicineNorth Carolina State UniversityRaleighNorth CarolinaUSA
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Sacral tumours and their mimics: pictorial review and diagnostic strategy. Clin Radiol 2020; 76:153.e9-153.e16. [PMID: 32938537 DOI: 10.1016/j.crad.2020.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 08/19/2020] [Indexed: 11/23/2022]
Abstract
Sacral tumours encompass an extensive range of differential diagnosis. The clinical presentation is often non-specific, including neurological deficits and low back pain. Accurate diagnosis of sacral lesions is challenging and requires a comprehensive imaging strategy and robust knowledge on the imaging characteristics of different pathological processes. This review will provide an updated overview of the computed tomography (CT), magnetic resonance imaging (MRI), and integrated positron-emission tomography (PET)-CT features of some common and rare sacral tumours and their mimics. Several clinical scenarios with specific diagnostic considerations and treatment implications will be described.
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