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A S, Mehta R, Nagarkar NM, Bodhey NK, Gupta RK, Satpute SS. Clinical, Radiological, and Pathological Correlation of Mandibular Invasion in Carcinoma Bucco-alveolar Complex. Indian J Surg Oncol 2024; 15:385-396. [PMID: 38741646 PMCID: PMC11088584 DOI: 10.1007/s13193-024-01903-3] [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: 10/23/2022] [Accepted: 02/15/2024] [Indexed: 05/16/2024] Open
Abstract
A prospective cross-sectional study was conducted to correlate clinically, radiologically, and pathologically the mandibular invasion in carcinoma bucco-alveolar complex. All biopsy-proven oral cavity cancer cases (64 patients) were assessed clinically and radiologically for involvement of the mandible. Preoperative clinicoradiological findings were compared with postoperative histopathological findings. In our study, oral cancer was 4 times more prevalent in males as compared to females and clinical evaluation was found to be highly sensitive in predicting mandibular invasion. Orthopantomogram showed sensitivity of 66.6% and specificity of 100%. CT scan showed sensitivity of 100% and specificity of 46% whereas MRI showed sensitivity of 54.5% and a specificity of 96%. MRI correlates well with final histopathology in predicting size of tumor. Prevalence of bony invasion in carcinoma oral cavity was 18%. We noted an inverse relation with tumor differentiation and mandibular invasion, and none of the verrucous carcinoma lesions showed mandibular invasion. Association of clinical T and N staging with postoperative histopathology was found to be statistically significant. Despite recent advances in molecular biology, radiological techniques, and newer modalities like visual surgical planning, exact measurement of bone invasion is still challenging. At present, CT scan and MRI along with clinical evaluation are widely used to evaluate mandibular invasion in carcinoma oral cavity, and all these are complementary to each other. The recent progress in tissue engineering technologies and stem cell biology has significantly promoted the development of regenerative reconstruction of jawbone defects.
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Affiliation(s)
- Subinsha A
- Department of Otorhinolaryngology-Head and Neck Surgery, AIIMS, Raipur, Chhattisgarh India
| | - Rupa Mehta
- Department of Otorhinolaryngology-Head and Neck Surgery, AIIMS, Raipur, Chhattisgarh India
| | - Nitin M. Nagarkar
- Department of Otorhinolaryngology-Head and Neck Surgery, AIIMS, Raipur, Chhattisgarh India
| | | | - Rakesh Kumar Gupta
- Department of Pathology and Laboratory Medicine, AIIMS, Raipur, Chhattisgarh India
| | - Satish S. Satpute
- Department of Otorhinolaryngology-Head and Neck Surgery, AIIMS, Raipur, Chhattisgarh India
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Pu JJ, Choi WS, Wong MCM, Wu S, Leung PH, Yang WF, Su YX. Long-term stability of jaw reconstruction with microvascular bone flaps: A prospective longitudinal study. Oral Oncol 2024; 152:106780. [PMID: 38555752 DOI: 10.1016/j.oraloncology.2024.106780] [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: 12/30/2023] [Revised: 03/01/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
OBJECTIVES Microvascular bone flap jaw reconstruction has achieved satisfactory clinical outcomes. However, little is known about the long-term stability of the reconstructed jaw. This prospective longitudinal study aimed to investigate the long-term stability of jaw reconstruction and factors that were associated with it. METHODS Patients with successful computer-assisted osseous free-flap jaw reconstruction in the Department of Oral and Maxillofacial Surgery, Queen Mary Hospital, Hong Kong were recruited for this prospective longitudinal study. The three-dimensional jaw models at the pre-operative plan, post-operative 1-month, and 2 years were aligned and compared. RESULTS A total of 69 patients were recruited, among which 48 patients were available for the long-term analysis. Compared to 1-month after surgery, further deviation from the pre-operative plan was observed at post-operative 2 years. Lack of accuracy in surgery, segmental mandible resection especially with the involvement of mandible angles, and post-operative radiation therapy were identified as the significant factors affecting the positional stability of the reconstructed jaw (p < 0.05). Stable reconstruction was observed in the subgroup analysis of patients without post-operative radiation therapy. CONCLUSION Up to the best of our knowledge, this is the first prospective longitudinal study reporting the long-term stability of jaw reconstruction and its affecting factors. Our data demonstrated that the reconstructed jaw position lacked stability over the postoperative period. How to improve long-term stability of reconstructed jaw thus optimize the functional outcomes warrants further studies.
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Affiliation(s)
- Jingya Jane Pu
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China.
| | - Wing Shan Choi
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - May C M Wong
- Division of Applied Oral Sciences & Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Songying Wu
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Pui Hang Leung
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Wei-Fa Yang
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Yu-Xiong Su
- Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China.
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Shilo D, Capucha T, Krasovsky A, Blanc O, Emodi O, Haze A, Rachmiel A. Real-time Reconstruction of Comminuted Mandibular Fractures Using 3D Printing. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2024; 12:e5645. [PMID: 38510331 PMCID: PMC10954053 DOI: 10.1097/gox.0000000000005645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 01/16/2024] [Indexed: 03/22/2024]
Abstract
Background Comminuted fractures of the jaws are complex injuries requiring special attention. In the past, treatment included closed reduction using maxillomandibular fixation. With advancements in technology and fixation systems, open reduction became a prevalent option. These fractures are difficult to reconstruct during the primary treatment phase, thus resulting in higher complication rates. The introduction of three-dimensional (3D) planning and printing brought about superior outcomes, yet these focus on secondary reconstruction due to the need for outsourcing planning and titanium printing. Methods In this report, we describe real-time in-house 3D planning and printing using computer-assisted design software and a 3D-fused deposition printer for virtual reduction of the comminuted fractures and printing of the reconstructed mandible. Results Following virtual 3D reduction, the newly created mandibles were 3D printed. The model was then used to preband a reconstruction plate, which in turn was used as a template during surgery for reducing the segments. The process of virtual reduction and printing should take a couple of hours at most. The results of five cases showed good alignment and proper function. Conclusion Three-dimensional technology can be applied in the everyday primary care treatment protocol of comminuted fractures as an in-house tool which greatly improves both functional and aesthetic outcomes.
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Affiliation(s)
- Dekel Shilo
- From the Department of Oral and Maxillofacial Surgery, Rambam Medical Care Center, Haifa, Israel
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Tal Capucha
- From the Department of Oral and Maxillofacial Surgery, Rambam Medical Care Center, Haifa, Israel
| | - Andrei Krasovsky
- From the Department of Oral and Maxillofacial Surgery, Rambam Medical Care Center, Haifa, Israel
| | - Ori Blanc
- From the Department of Oral and Maxillofacial Surgery, Rambam Medical Care Center, Haifa, Israel
| | - Omri Emodi
- From the Department of Oral and Maxillofacial Surgery, Rambam Medical Care Center, Haifa, Israel
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Amir Haze
- Department of Orthopedics, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Adi Rachmiel
- From the Department of Oral and Maxillofacial Surgery, Rambam Medical Care Center, Haifa, Israel
- Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
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Baecher H, Hoch CC, Knoedler S, Maheta BJ, Kauke-Navarro M, Safi AF, Alfertshofer M, Knoedler L. From bench to bedside - current clinical and translational challenges in fibula free flap reconstruction. Front Med (Lausanne) 2023; 10:1246690. [PMID: 37886365 PMCID: PMC10598714 DOI: 10.3389/fmed.2023.1246690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 09/29/2023] [Indexed: 10/28/2023] Open
Abstract
Fibula free flaps (FFF) represent a working horse for different reconstructive scenarios in facial surgery. While FFF were initially established for mandible reconstruction, advancements in planning for microsurgical techniques have paved the way toward a broader spectrum of indications, including maxillary defects. Essential factors to improve patient outcomes following FFF include minimal donor site morbidity, adequate bone length, and dual blood supply. Yet, persisting clinical and translational challenges hamper the effectiveness of FFF. In the preoperative phase, virtual surgical planning and artificial intelligence tools carry untapped potential, while the intraoperative role of individualized surgical templates and bioprinted prostheses remains to be summarized. Further, the integration of novel flap monitoring technologies into postoperative patient management has been subject to translational and clinical research efforts. Overall, there is a paucity of studies condensing the body of knowledge on emerging technologies and techniques in FFF surgery. Herein, we aim to review current challenges and solution possibilities in FFF. This line of research may serve as a pocket guide on cutting-edge developments and facilitate future targeted research in FFF.
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Affiliation(s)
- Helena Baecher
- Department of Plastic, Hand and Reconstructive Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Cosima C. Hoch
- Medical Faculty, Friedrich Schiller University Jena, Jena, Germany
| | - Samuel Knoedler
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, United States
- Division of Plastic Surgery, Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
- Department of Plastic Surgery and Hand Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Bhagvat J. Maheta
- College of Medicine, California Northstate University, Elk Grove, CA, United States
| | - Martin Kauke-Navarro
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, United States
| | - Ali-Farid Safi
- Craniologicum, Center for Cranio-Maxillo-Facial Surgery, Bern, Switzerland
- Faculty of Medicine, University of Bern, Bern, Switzerland
| | - Michael Alfertshofer
- Division of Hand, Plastic and Aesthetic Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Leonard Knoedler
- Department of Plastic, Hand and Reconstructive Surgery, University Hospital Regensburg, Regensburg, Germany
- Division of Plastic Surgery, Department of Surgery, Yale New Haven Hospital, Yale School of Medicine, New Haven, CT, United States
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Shuck JW, Largo RD, Hanasono MM, Chang EI. Evolution of Medical Modeling and 3D Printing in Microvascular Midface Reconstruction: Literature Review and Experience at MD Anderson Cancer Center. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1762. [PMID: 37893480 PMCID: PMC10608668 DOI: 10.3390/medicina59101762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/15/2023] [Accepted: 09/22/2023] [Indexed: 10/29/2023]
Abstract
Reconstruction of the midface represents a challenge for reconstructive microsurgeons given the formidable task of restoring both aesthetics and functionality. In particular, preservation of proper globe positioning and maintaining normal vision are as important as restoring the proper projection of the midface and enabling a patient to speak and eat as normally as possible. The introduction of virtual surgical planning (VSP) and medical modeling has revolutionized bony reconstruction of the craniofacial skeleton; however, the overwhelming majority of studies have focused on mandibular reconstruction. Here, we introduce some novel advances in utilizing VSP for bony reconstruction of the midface. The present review aims (1) to provide a review of the literature on the use of VSP in midface reconstruction and (2) to provide some insights from the authors' early experience.
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Affiliation(s)
| | | | | | - Edward I. Chang
- Department of Plastic Surgery, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Manzie T, MacDougall H, Cheng K, Venchiarutti R, Fox R, Sharman A, Charters E, Seyfi D, Dunn M, Mukherjee P, Clark J. Virtual reality digital surgical planning for jaw reconstruction: a usability study. ANZ J Surg 2023; 93:1341-1347. [PMID: 36792539 DOI: 10.1111/ans.18307] [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: 11/28/2022] [Revised: 01/17/2023] [Accepted: 01/22/2023] [Indexed: 02/17/2023]
Abstract
BACKGROUND Digital surgical planning (DSP) has revolutionized the preparation and execution of the management of complex head and neck pathologies. The addition of virtual reality (VR) allows the surgeon to have a three-dimensional experience with six degrees of freedom for visualizing and manipulating objects. This pilot study describes the participants experience with the first head and neck reconstructive VR-DSP platform. METHODS An original VR-DSP platform has been developed for planning the ablation and reconstruction of head and neck pathologies. A prospective trial utilizing this platform involving reconstructive surgeons was performed. Participants conducted a simulated VR-DSP planning session, pre- and post-questionnaire as well as audio recordings allowing for qualitative analysis. RESULTS Thirteen consultant reconstructive surgeons representing three surgical backgrounds with varied experience were recruited. The majority of surgeons had no previous experience with VR. Based on the system usability score, the VR-DSP platform was found to have above average usability. The qualitative analysis demonstrated the majority had a positive experience. Participants identified some perceived barriers to implementing the VR-DSP platform. CONCLUSIONS Virtual reality-digital surgical planning is usable and acceptable to reconstructive surgeons. Surgeons were able to perform the steps in an efficient time despite limited experience. The addition of VR offers additional benefits to current VSP platforms. Based on the results of this pilot study, it is likely that VR-DSP will be of benefit to the reconstructive surgeon.
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Affiliation(s)
- Timothy Manzie
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia
| | - Hamish MacDougall
- Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Kai Cheng
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia.,Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Rebecca Venchiarutti
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia.,Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | | | - Ashleigh Sharman
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia
| | - Emma Charters
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia.,Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Doruk Seyfi
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia
| | - Masako Dunn
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia
| | - Payal Mukherjee
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia.,Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Sydney, New South Wales, Australia
| | - Jonathan Clark
- Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, New South Wales, Australia.,Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Sydney, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
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Moafi R, Nysjö F, Kämpe J, Riben C, Thor A. Haptic-Assisted Surgical Planning (HASP) in a Case of Bilateral Mandible Fracture. Int Med Case Rep J 2022; 15:707-712. [PMID: 36510507 PMCID: PMC9738095 DOI: 10.2147/imcrj.s380604] [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: 07/15/2022] [Accepted: 10/27/2022] [Indexed: 12/12/2022] Open
Abstract
Restoring normal skeletal anatomy in patients with complex trauma to the mandible can be difficult, the difficulty often increasing with an edentulous mandible. This study describes a case of a displaced edentulous bilateral mandibular fracture, which was preoperatively planned with the in-house haptic-assisted surgery planning system (HASP). A model of the virtually restored mandible was 3D-printed at the hospital and a reconstruction plate was outlined beforehand with the printed mandible as a template and served as a guide during surgery. This case suggests HASP as a valuable preoperative tool in the planning phase when dealing with maxillofacial trauma cases. With the application of virtual planning, the authors could analyze the desired outcome and were further supported in surgery by the guidance of the reconstruction plate outlined on the restored model of the mandible.
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Affiliation(s)
- Roya Moafi
- Department of Oral and Maxillofacial Surgery, Uppsala University, Uppsala, Sweden,Correspondence: Roya Moafi, Department of Oral and Maxillofacial Surgery, Uppsala University Hospital, Akademiska Sjukhuset. Käkkirurgi, Uppsala, 751 85, Sweden, Tel +46 018 6116450, Fax +46 018 559129, Email
| | - Fredrik Nysjö
- Department of Information Technology, Centre for Image Analysis, Uppsala University, Uppsala, Sweden
| | - Johan Kämpe
- Department of Oral and Maxillofacial Surgery, Uppsala University, Uppsala, Sweden
| | - Christopher Riben
- Department of Oral and Maxillofacial Surgery, Uppsala University, Uppsala, Sweden
| | - Andreas Thor
- Department of Oral and Maxillofacial Surgery, Uppsala University, Uppsala, Sweden
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Alperovich M. Commentary: Virtual Surgical Planning and Patient-Specific Implants in Facial Feminization Surgery. Facial Plast Surg Aesthet Med 2022; 24:S20-S23. [DOI: 10.1089/fpsam.2022.0302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hurley CM, McConn Walsh R, Shine NP, O'Neill JP, Martin F, O'Sullivan JB. Current trends in craniofacial reconstruction. Surgeon 2022; 21:e118-e125. [PMID: 35525818 DOI: 10.1016/j.surge.2022.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 01/23/2022] [Accepted: 04/07/2022] [Indexed: 11/30/2022]
Abstract
Reconstruction of the head and neck continues to pose a variety of difficult functional and aesthetic challenges to the plastic surgeon. While the surgical treatment for midfacial and skull base tumours continues to advance, the three-dimensional reconstruction predicaments continue to increase in complexity. Reconstructive strategies of the head and neck require the restoration of intricate skeletal architecture and large volumes of both internal and external soft tissue envelopes that can withstand adjuvant therapies. Vascularized bone grafts in combination with microsurgical techniques is the current trend of most reconstruction and has replaced local and pedicle flaps as the preferred modality for large defects. This article will focus on concise areas of difficulty in craniofacial reconstruction, including mandibular, midfacial, scalp and base of skull reconstruction. As our goals now move from flap survival to refinement, more complex and innovative reconstructions are executed. The problems with each modality are examined, and the frontiers of head and neck reconstruction are explored. With the potential combination of virtual surgery and tissue engineered biotechnology, we may someday be able to expand our reconstructive capabilities beyond free tissue transfer.
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Affiliation(s)
- C M Hurley
- Department of Plastic & Reconstructive Surgery, Beaumont Hospital, Dublin, Ireland.
| | - R McConn Walsh
- Department of Otolaryngology, Head and Neck Surgery, Beaumont Hospital, Dublin, Ireland
| | - N P Shine
- Department of Otolaryngology, Head and Neck Surgery, Beaumont Hospital, Dublin, Ireland
| | - J P O'Neill
- Department of Otolaryngology, Head and Neck Surgery, Beaumont Hospital, Dublin, Ireland
| | - F Martin
- Department of Plastic & Reconstructive Surgery, Beaumont Hospital, Dublin, Ireland
| | - J B O'Sullivan
- Department of Plastic & Reconstructive Surgery, Beaumont Hospital, Dublin, Ireland
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