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Gattani V, Pawar S, Gupta C, Bhola N, Sonpal P, Agrawal P. Bridging Tradition and Modernity: Embracing the Bipaddled Pectoralis Major Myocutaneous Flap for Challenging Oral Cavity Defects in the Free Flap Era. Cureus 2024; 16:e62341. [PMID: 39006683 PMCID: PMC11246768 DOI: 10.7759/cureus.62341] [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: 05/19/2024] [Accepted: 06/13/2024] [Indexed: 07/16/2024] Open
Abstract
Oral squamous cell carcinoma is a serious global issue, with the prognosis decreasing as the disease severity increases. The implications of this condition are so disastrous that they cause a lot of suffering for the individual. Early diagnosis has proven to improve patients' overall survival and quality of life. Surgery remains the mainstay in treating oral carcinoma. It is aimed at the complete removal of the cancerous lesion along with the management of cervical nodal metastasis. Larger defects call for reconstruction with bulky flaps. In our case, we had a composite defect postresection of the cancerous lesion, which was reconstructed using a bipaddled pectoralis major myocutaneous flap.
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Affiliation(s)
- Vaishnavi Gattani
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Wardha, IND
| | - Shreya Pawar
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Wardha, IND
| | - Chetan Gupta
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Wardha, IND
| | - Nitin Bhola
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Wardha, IND
| | - Parmarth Sonpal
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Wardha, IND
| | - Palak Agrawal
- Oral and Maxillofacial Surgery, Sharad Pawar Dental College and Hospital, Wardha, IND
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Chen Y, Zhong NN, Cao LM, Liu B, Bu LL. Surgical margins in head and neck squamous cell carcinoma: A narrative review. Int J Surg 2024; 110:3680-3700. [PMID: 38935830 PMCID: PMC11175762 DOI: 10.1097/js9.0000000000001306] [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: 12/27/2023] [Accepted: 02/26/2024] [Indexed: 06/29/2024]
Abstract
Head and neck squamous cell carcinoma (HNSCC), a prevalent and frequently recurring malignancy, often necessitates surgical intervention. The surgical margin (SM) plays a pivotal role in determining the postoperative treatment strategy and prognostic evaluation of HNSCC. Nonetheless, the process of clinical appraisal and assessment of the SMs remains a complex and indeterminate endeavor, thereby leading to potential difficulties for surgeons in defining the extent of resection. In this regard, we undertake a comprehensive review of the suggested surgical distance in varying circumstances, diverse methods of margin evaluation, and the delicate balance that must be maintained between tissue resection and preservation in head and neck surgical procedures. This review is intended to provide surgeons with pragmatic guidance in selecting the most suitable resection techniques, and in improving patients' quality of life by achieving optimal functional and aesthetic restoration.
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Affiliation(s)
- Yang Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology
| | - Nian-Nian Zhong
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology
| | - Lei-Ming Cao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology
| | - Bing Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology
- Department of Oral & Maxillofacial – Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan, People’s Republic of China
| | - Lin-Lin Bu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology
- Department of Oral & Maxillofacial – Head Neck Oncology, School & Hospital of Stomatology, Wuhan University, Wuhan, People’s Republic of China
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Cohen Z, Zhang KK, Kim M, Haglich K, Woods J, Monge J, Matros E, Boyle JO, McCarthy C, Cracchiolo JR, Cohen MA, Shahzad F, Nelson JA, Allen RJ. A preliminary analysis of patient reported outcomes following posterolateral mandible reconstruction: The role of flap type. J Surg Oncol 2024; 129:617-628. [PMID: 37985365 DOI: 10.1002/jso.27520] [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: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND The choice of tissue type for free flap reconstruction of posterolateral mandible resections is dependent on patient and defect characteristics. We compared clinical and patient-reported outcomes following reconstruction of these defects with a soft tissue or bony free flap. METHODS A retrospective review was performed on patients who underwent posterolateral segmental mandibulectomy with immediate free flap reconstruction at MSKCC from 2006 to 2021. Outcomes of interest were patient-reported outcome measures (PROMs) assessed by FACE-Q surveys and complications at the flap recipient site. RESULTS Ninety patients received a bony flap and 24 patients received a soft tissue flap. Patients reconstructed with soft tissue flaps had greater rates of composite soft tissue defects (p < 0.0001), condyle resection (p = 0.001), and peripheral vascular disease (p = 0.035). Complication rates were similar between the cohorts (p > 0.05). Bony flaps scored higher on multiple FACE-Q scales: Facial Appearance (p = 0.023) Eating/Drinking (p = 0.029), Smiling (p = 0.012), Speaking (p < 0.001), Swallowing (p = 0.012), Smiling Distress (p = 0.037), and Speaking Distress (p = 0.001). CONCLUSION Reconstruction of posterolateral mandibular defects has a similar complication profile when utilizing a bony or soft tissue free flap. Bony flaps may perform better with respect to PROMs. Reconstructive surgeons should consider using bony flap reconstruction to achieve higher patient satisfaction and quality of life.
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Affiliation(s)
- Zack Cohen
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Kevin K Zhang
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Minji Kim
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Kathryn Haglich
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jack Woods
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jasmine Monge
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Evan Matros
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jay O Boyle
- Department of Surgery, Head and Neck Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Colleen McCarthy
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jennifer R Cracchiolo
- Department of Surgery, Head and Neck Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Marc A Cohen
- Department of Surgery, Head and Neck Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Farooq Shahzad
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jonas A Nelson
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Robert J Allen
- Department of Surgery, Plastic and Reconstructive Surgery Division, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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Tomioka H, Nishii N, Oikawa Y, Kugimoto T, Kuroshima T, Hirai H, Kayamori K, Kaida A, Miura M, Harada H. Clinicopathological analysis of 134 patients with squamous cell carcinoma of the mandibular gingiva. Heliyon 2024; 10:e23120. [PMID: 38332864 PMCID: PMC10851208 DOI: 10.1016/j.heliyon.2023.e23120] [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: 04/21/2023] [Revised: 10/28/2023] [Accepted: 11/27/2023] [Indexed: 02/10/2024] Open
Abstract
Objective The accurate assessment of the involvement of mandibular gingival squamous cell carcinoma (SCC) is essential for determining the extent of resection and is also useful for predicting lymph node metastasis and prognosis. The purpose of this study was to investigate the factors for predicting the prognosis. Study design We reviewed 134 patients with mandibular gingival SCC treated between 2008 and 2017. The clinical findings, TN stage, relationship between radiographical type and histological pattern, and factors affecting the survival rate were investigated. Results The moth-eaten radiographic type was significantly associated with histologically infiltrative pattern. For all 134 cases, the 5-year OS was 89.5 %, and 5-year DSS was 93.9 %. The 5-year DSS was 95.0 % for cN0 and/or pN0 cases and 90.3 % for pN (+) cases, with a significant difference. The significant risk factors for lymph node metastasis were teeth extractions by previous physicians and moth-eaten radiographic type. Conclusion The risk factor for poor prognosis was lymph node metastasis. In addition, teeth extractions by previous physicians and moth-eaten radiographic type were the risk factors for lymph node metastasis. It is recommended that these cases be treated considering the possibility of cervical lymph node metastasis.
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Affiliation(s)
- Hirofumi Tomioka
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Naoto Nishii
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Yu Oikawa
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Takuma Kugimoto
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Takeshi Kuroshima
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Hideaki Hirai
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Kou Kayamori
- Department of Oral Pathology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Atsushi Kaida
- Department of Dental Radiology and Radiation Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Masahiko Miura
- Department of Dental Radiology and Radiation Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
| | - Hiroyuki Harada
- Department of Oral and Maxillofacial Surgical Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
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Pawar A, Rathod P, Warikoo V, Sharma M, Salunke A, Pandya S, Pandya S, Aaron J, Thottiyen S, Trivedi S, Kapur K, Bande V, Patel N, Yalla P, Joshi G. 'AJ's Orbicularis Oris Stitch: A Novel and Simple Technique of Reconstructing Central Arch Mandibular Defects in Resource-Constrained Set Up'. Indian J Otolaryngol Head Neck Surg 2023; 75:3703-3710. [PMID: 37974779 PMCID: PMC10645984 DOI: 10.1007/s12070-023-04044-1] [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: 05/28/2023] [Accepted: 06/26/2023] [Indexed: 11/19/2023] Open
Abstract
Lip and oral cavity SCC account for 2nd highest incidence of cancers and 3rd most common cause of mortality from cancer in India. Reconstruction of defects of central arch invading cancers results in poor cosmetic and functional outcomes if free flaps are not used. 30 patients with Oral SCC in the age group 20-75 years requiring central arch segmental mandibulectomy were included. Reconstruction was done with pedicled bipaddled PMMC flap with 'AJ's orbicularis oris stitch' using Fiber wire. Patients were divided into 4 groups according to extent of lip and skin loss post excision of primary tumour. Patients were evaluated with subjective scores for drooling, oral competence and cosmesis. There were 4, 12, 9 and 5 patients in Group A, B, C and D respectively. Mean subjective scores using our technique for drooling, oral competence and cosmesis were 3.75/4,3.75/4 and 3.5/4 for group A, 3.45/4, 3.36/4 and 3.09/4 for group B, 2.8/4, 2.6/4 and 2.3/4 for group C defects and 2.5/4, 3/4 and 2.5/4 for group D defects respectively. Over all scores for all patients were 3.2/4, 3.14/4 and 2.84/4 for drooling, oral competence and cosmesis. This simple, quick and inexpensive technique of reconstruction of central mandibular arch defects can drastically improve cosmetic and functional outcomes in a resource restrained set up. However, long term results and comparison studies are required for standardisation of the technique.
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Affiliation(s)
| | - Priyank Rathod
- Department of Surgical Oncology, GCRI, 1, Krushnapark Society, Karelibaig, Vadodara, Ahmedabad, Gujarat 390018 India
| | - Vikas Warikoo
- Department of Surgical Oncology, GCRI, 1, Krushnapark Society, Karelibaig, Vadodara, Ahmedabad, Gujarat 390018 India
| | - Mohit Sharma
- Department of Surgical Oncology, GCRI, 1, Krushnapark Society, Karelibaig, Vadodara, Ahmedabad, Gujarat 390018 India
| | | | - Shashank Pandya
- Department of Surgical Oncology, GCRI, 1, Krushnapark Society, Karelibaig, Vadodara, Ahmedabad, Gujarat 390018 India
| | - Shivam Pandya
- Department of Surgical Oncology, GCRI, 1, Krushnapark Society, Karelibaig, Vadodara, Ahmedabad, Gujarat 390018 India
| | - Jebin Aaron
- MCh Surgical Oncology, GCRI, Ahmedabad, India
| | | | | | | | - Vivek Bande
- MCh Surgical Oncology, GCRI, Ahmedabad, India
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Wang X, Zheng L, Zhang J, Zhang J. Evaluation of outcomes after conservative mandibular surgery in patients with oral squamous cell carcinoma. Int J Oral Maxillofac Surg 2023; 52:1111-1119. [PMID: 37271626 DOI: 10.1016/j.ijom.2023.05.007] [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: 02/13/2022] [Revised: 05/05/2023] [Accepted: 05/11/2023] [Indexed: 06/06/2023]
Abstract
This study aimed to assess preoperative radiological and clinical examinations for identifying bone status and to evaluate survival outcomes in patients undergoing marginal mandibulectomy for the primary treatment of oral squamous cell carcinoma. The medical records, enhanced computed tomography (CT) scans, and pathological specimens of these patients were reviewed. Disease-free (DFS), local recurrence-free (LRFS), and osteoradionecrosis-free (ORNFS) survival were analysed. The study included 104 patients. The preoperative CT and clinical examinations achieved a sensitivity of 45.8% and specificity of 100% for judging bone condition. LRFS was 79.6% and DFS was 68.8%. Pathological bone invasion in significantly affected DFS (P = 0.597), while DFS was significantly higher for those with a lower clinical tumour stage (1/2 vs 3/4; P = 0.005) and postoperative radiotherapy (P = 0.011). Among 39 patients receiving postoperative radiotherapy, ORNFS was 75.2%. Postoperative chemotherapy significantly decreased ORNFS (P = 0.009). Tumour subsite (P = 0.003) and the resection site (P = 0.035) significantly affected the remaining bone height. The results indicate that CT and clinical examinations cannot precisely identify superficial bone damage, but work well in selecting patients for marginal resection. Adhering to current indications, this resection approach can guarantee safe bone margins in terms of survival outcomes.
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Affiliation(s)
- X Wang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, PR China
| | - L Zheng
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, PR China.
| | - J Zhang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, PR China
| | - J Zhang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, PR China
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Chiesa-Estomba CM, Mayo-Yanez M, Manelli G, Molteni G, Lechien J, Fakhry N, Melkane A, Calvo-Henriquez C, Kalfert D, Ayad T. Marginal versus Segmental Mandibulectomy in the Treatment of Oral Cavity Cancer: A Systematic Review and Meta-analysis. Int Arch Otorhinolaryngol 2023; 27:e733-e743. [PMID: 37876698 PMCID: PMC10593526 DOI: 10.1055/s-0042-1750764] [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: 02/24/2022] [Accepted: 05/15/2022] [Indexed: 10/26/2023] Open
Abstract
Introduction Oral cavity squamous cell carcinoma (OCSCC) is the most common malignancy in the oral cavity. Two types of mandibular resections have been described: the segmental mandibulectomy and the marginal mandibulectomy. Both may have a different impact over the quality of life, oncological prognosis, and functional or aesthetic result. Objectives The aim of this study was to systematically explore the literature to determine the survival outcomes and disease control rates in patients who underwent segmental or marginal mandibulectomy for OCSCC with histological evidence of cortical and medullary bone invasion. Data Synthesis This review involved a systematic search of the electronic databases MEDLINE/PUBMED, Google Scholar, Ovid Medline, Embase, and Scopus including articles from 1985 to 2019. Fifteen articles were included for qualitative analysis and 11 articles were considered for meta-analysis calculations. All of them correspond to retrospective cohort studies. Conclusion This systematic review reveals the low-level evidence regarding the impact over local control or survival according to the type of mandibulectomy. Our results need to be considered with precaution according to the limited evidence available. We just found difference regarding the 5-year disease-free survival, and a tendency in favor of segmental mandibulectomy was confirmed when medullary invasion was evident.
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Affiliation(s)
- Carlos Miguel Chiesa-Estomba
- Department of Otorhinolaryngology - Head and Neck Surgery, Hospital Universitario de Donostia, San Sebastian, Guipuzcoa, Spain
| | - Miguel Mayo-Yanez
- Department of ENT, Hospital Juan Canalejo de La Coruña, A Coruna, Galicia, Spain
| | - Giuditta Manelli
- Department of ENT, Azienda Ospedaliero Universitaria Careggi, Firenze, Toscana, Italy
| | - Gabriele Molteni
- Department of ENT, Università degli Studi di Verona, Verona, Veneto, Italy
| | - Jerome Lechien
- Department of ENT, Hôpital Foch, Suresnes, Île-de-France, France
| | - Nicolas Fakhry
- Department of ENT, Assistance Publique Hôpitaux de Marseille, Marseille, Provence-Alpes-Côte d'Azu, France
| | - Antoine Melkane
- Department of ENT, Hôpital Hôtel Dieu de France, Beirut, Lebanon
| | - Christian Calvo-Henriquez
- Department of ENT, Hospital Universitario de Santiago de Compostela, Santiago de Compostela, Galicia, Spain
| | - David Kalfert
- Department of ENT, Charles University, Praha, Czech Republic
| | - Tareck Ayad
- Department of ENT, University of Montreal Hospital Centre, Montreal, Quebec, Canada
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Kumar V, Gupta PK, Bindu A, Mantri M, Mathews S, Jaiswal D, Kant Shankhdhar V. Safety of free fibula flap harvest in IIIA and IIIB tibio-peroneal trunk variations. J Plast Reconstr Aesthet Surg 2023; 85:326-333. [PMID: 37541049 DOI: 10.1016/j.bjps.2023.07.012] [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: 09/26/2022] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 08/06/2023]
Abstract
INTRODUCTION In head and neck cancer malignancies, free fibula flap is the gold standard for reconstruction of segmental bone defects owing to its predictable anatomy, long bone length, and feasibility for multiple osteotomies. However, sometimes because of variations in anatomy of tibio-peroneal trunk, it is a dilemma for the surgeons to use free fibula flap for reconstruction. This case series aimed to evaluate the safety of harvest of fibula in such cases in terms of acute and chronic donor-site complications. MATERIAL AND METHODS A retrospective study was conducted from January 2018 to May 2021. All the patients with tibio-peroneal trunk anomaly, diagnosed during surgery, who underwent successful harvest of the free fibula were included in the study and analyzed for the early major and minor donor wound complications, long-term donor complications, and late functional deficit using the Foot and Ankle Disability Index (FADI). RESULTS Out of 714 free fibulae operated, 26 patients (3.6%) had such tibio-peroneal trunk variations: 22 (2.9%) cases of type III A and B anomalies and 4 (0.56%) cases of type III C anomalies. The average FADI score was 95.3%. No one had any difficulty in personal care and activity of daily living. CONCLUSIONS The free fibula flap can be safely harvested in patients with type III A and B anomalies if vascularity of foot after clamping of peroneal vessels is good and anterior tibial vessels are normal.
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Affiliation(s)
- Vineet Kumar
- Department of Plastic and Reconstructive Surgery, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India.
| | - Prince Kumar Gupta
- Department of Plastic and Reconstructive Surgery, HBCH and MPMMCC, Tata Memorial Centre, Varanasi and Homi Bhabha National Institute, Mumbai, India.
| | - Ameya Bindu
- Department of Plastic and Reconstructive Surgery, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India.
| | - Mayur Mantri
- Department of Plastic and Reconstructive Surgery, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India.
| | - Saumya Mathews
- Department of Plastic and Reconstructive Surgery, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India.
| | - Dushyant Jaiswal
- Department of Plastic and Reconstructive Surgery, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India.
| | - Vinay Kant Shankhdhar
- Department of Plastic and Reconstructive Surgery, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India.
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Molteni G, Gazzini L, Sacchetto A, Nocini R, Comini LV, Arietti V, Locatello LG, Mannelli G. Mandibular reconstruction in head and neck cancer: which is the gold standard? Eur Arch Otorhinolaryngol 2023; 280:3953-3965. [PMID: 37269408 DOI: 10.1007/s00405-023-08050-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 05/30/2023] [Indexed: 06/05/2023]
Abstract
INTRODUCTION The aim of this study is to perform a systematic review to compare the outcomes of the different surgical options for mandibular reconstruction in head and neck cancer. MATERIAL AND METHODS 93 articles were selected. Four groups were identified: titanium plate without flaps, titanium plate covered by soft tissue flap, bone tissue flaps and double flaps. We compared patients' characteristics, site of mandibulectomy, type of reconstruction and complications. RESULTS 4697 patients were reported. The groups were not homogeneous regarding the type of defect and the treatment history. A significant difference in terms of post-operative complications was found between group 1 and group 2 (p < 0.00001), and between group 2 and group 3 (p < 0.00001). Total complications rate for group 4 was significantly higher when compared to group 3 (p < 0.00001), but no significant difference was found with group 2. CONCLUSION These results suggest that mandibular reconstruction using a microvascular bone flap is the best surgical option in patients without significant comorbidities.
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Affiliation(s)
- Gabriele Molteni
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Head and Neck Department, University Hospital of Verona, Verona, Italy
- Department of Surgery, Dentistry and Pediatrics, University of Verona, Verona, Italy
| | - Luca Gazzini
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Otorhinolaryngology-Head and Neck Surgery Department, San Maurizio Hospital, Bolzano, Italy
| | - Andrea Sacchetto
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria.
- Department of Otolaryngology, Ospedale San Bortolo, AULSS 8 Berica, Vicenza, Italy.
| | - Riccardo Nocini
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Department of Surgery, Dentistry and Pediatrics, University of Verona, Verona, Italy
| | - Lara Valentina Comini
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Otorhinolaryngology Unit, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Valerio Arietti
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Department of Surgery, Dentistry and Pediatrics, University of Verona, Verona, Italy
| | - Luca Giovanni Locatello
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Department of Otorhinolaryngology, Sant'Antonio Abate Hospital, Azienda Sanitaria Universitaria Friuli Centrale, Tolmezzo, Italy
| | - Giuditta Mannelli
- Young Confederation of European ORL-HNS, Y-CEORL-HNS, Vienna, Austria
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
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10
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卢 汉, 张 建, 杨 榕, 徐 乐, 李 庆, 郭 玉, 郭 传. [Clinical factors affecting the prognosis of lower gingival squamous cell carcinoma]. BEIJING DA XUE XUE BAO. YI XUE BAN = JOURNAL OF PEKING UNIVERSITY. HEALTH SCIENCES 2023; 55:702-707. [PMID: 37534655 PMCID: PMC10398782 DOI: 10.19723/j.issn.1671-167x.2023.04.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Indexed: 12/19/2023]
Abstract
OBJECTIVE To define the clinical factors that influence local recurrence and survival in patients with lower gingival squamous cell carcinoma (LGSCC) and determine whether bone invasion is an independent prognostic factor for them. METHODS A total of 104 patients with LGSCC hospitalized in Peking University Stomatology Hospital from June 2013 to December 2015 were enrolled in this retrospective study.All the patients were followed-up for more than 3 years.The degree of bone invasion was assessed using preoperative imaging data (CT and panoramic radiograph).The degree of bone invasion was divi-ded into four categories: no bone invasion, invasion of cortical bone, invasion of bone marrow cavity, and invasion of the mandibular canal.According to the central position of tumor, it was divided into two types: anterior mandibular invasion (anterior region of the mental foramen) and posterior mandibular invasion (posterior region of the mental foramen). RESULTS of different invasion depth groups were compared using Mann-Whitney U test.P value < 0.05 was considered to be statistically significant.Kaplan-Meier survival analysis method was used to draw survival curve, and COX regression was used to explore the risk ratio (HR) and 95% confidence interval (CI) of prognostic factors of LGSCC. RESULTS The follow-up results showed that the 1-, 3-, and 5-year survival rates of LGSCC in this group were 91%, 84%, 82%, respectively.32.7%(34/104) of patients had cervical lymph node metastasis.The cervical lymph node metastasis rate of the anterior segment of the mandible was 12.5%(2/16), and 36.4%(32/88) for the posterior segment of the mandible (P < 0.05).Univariate and multivariate COX analysis showed that the N stage and local recurrence were the prognostic factors of LGSCC patients (P < 0.05). CONCLUSION As the degree of mandibular invasion increases, the prognosis of patients with mandibular gum cancer becomes worse.N stage and local recurrence are prognostic risk factors for LGSCC.The incidence of cervical lymph node metastasis for LGSCC is related to the primary tumor location.It is concluded that tumors located at the posterior of the mandible might be more prone to cervical lymph node metastasis than the anterior of the mandible.Thus various levels of cervical lymph node dissection strategies should be adopted for different sites of LGSCC.
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Affiliation(s)
- 汉 卢
- 北京大学口腔医学院·口腔医院口腔颌面外科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 建运 张
- 北京大学口腔医学院·口腔医院病理科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral Pathology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 榕 杨
- 北京大学口腔医学院·口腔医院口腔颌面外科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 乐 徐
- 北京大学口腔医学院·口腔医院口腔颌面外科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 庆祥 李
- 北京大学口腔医学院·口腔医院口腔颌面外科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 玉兴 郭
- 北京大学口腔医学院·口腔医院口腔颌面外科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - 传瑸 郭
- 北京大学口腔医学院·口腔医院口腔颌面外科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 国家卫生健康委员会口腔医学计算机应用工程技术研究中心, 国家药品监督管理局口腔生物材料重点实验室, 北京 100081Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Research Center of Engineering and Technology for Computerized Dentistry & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
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Castagnola R, Rupe C, Gioco G, Almadori G, Galli J, Tagliaferri L, Cassano A, Gallenzi P, Lajolo C. Clinical outcomes of teeth adjacent to the site of mandibulotomy or mandibulectomy in patients with head and neck cancer: results from a multidisciplinary mono-institutional head and neck tumor board. BMC Oral Health 2023; 23:357. [PMID: 37270480 DOI: 10.1186/s12903-023-03050-7] [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: 02/24/2023] [Accepted: 05/15/2023] [Indexed: 06/05/2023] Open
Abstract
INTRODUCTION The aim of this case series was to evaluate the necrosis of teeth adjacent to the site of mandibulotomy or mandibulectomy in a cohort of patients suffering from head and neck cancers. METHODS Fourteen patients who underwent segmental mandibulectomy or paramedian mandibulotomy for oral, oropharynx or major salivary gland cancer and a total of 23 teeth were included in this case series. Twelve patients underwent adjuvant head and neck radiotherapy. Cold sensitivity pulp testing and/or electric pulp testing were performed on teeth at the margin of mandibulectomy and on teeth adjacent to mandibulotomy after surgery. A "positive" response was considered the healthy state, and "negative" was considered the diseased state of the tooth. RESULTS The 10 patients who underwent mandibulotomy had 12 teeth with a negative response. The 4 patients treated by mandibulectomy had two positive and three negative responses to cold and electric pulp tests. Fifteen out of 23 teeth (65.2%) showed a negative response to sensitivity testing. CONCLUSIONS Tooth necrosis seems to be a common event after mandibulectomy and mandibulotomy. CLINICAL RELEVANCE To avoid post-surgery complications, performing root canal therapy before surgery on the teeth adjacent to the surgical site could be an appropriate strategy.
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Affiliation(s)
- Raffaella Castagnola
- Head and Neck Department, School of Dentistry, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Cosimo Rupe
- Head and Neck Department, School of Dentistry, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy.
| | - Gioele Gioco
- Head and Neck Department, School of Dentistry, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Giovanni Almadori
- Head and Neck Department, Institute of Otolaryngology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Jacopo Galli
- Head and Neck Department, Institute of Otolaryngology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Luca Tagliaferri
- Department of Radiation Oncology, Institute of Radiology, Fondazione Policlinico Universitario A. Gemelli- IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Alessandra Cassano
- Department of Medical Oncology, Institute of Radiology, Fondazione Policlinico Universitario A. Gemelli- IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Patrizia Gallenzi
- Head and Neck Department, School of Dentistry, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
| | - Carlo Lajolo
- Head and Neck Department, School of Dentistry, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Largo A. Gemelli, 8, Rome, 00168, Italy
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12
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Kudpaje A, Mishra S, Rao VUS, Thakur S, Arakeri G. SIGMA (Sigmoid-Angle) Osteotomy Technique in Gingivobuccal Sulcus Tumors to Optimize Oncological and Functional Outcomes. Indian J Surg Oncol 2023; 14:38-39. [PMID: 36891415 PMCID: PMC9986179 DOI: 10.1007/s13193-022-01594-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 07/12/2022] [Indexed: 10/15/2022] Open
Affiliation(s)
- Akshay Kudpaje
- Division of Minimally Invasive Head and Neck Surgery, Department of Head and Neck Surgical Oncology and Robotic Surgery, Health Care Global (HCG) Cancer Centre, Bangalore, Karnataka India
| | - Shameekcha Mishra
- Division of Minimally Invasive Head and Neck Surgery, Department of Head and Neck Surgical Oncology and Robotic Surgery, Health Care Global (HCG) Cancer Centre, Bangalore, Karnataka India
| | - Vishal U. S. Rao
- Division of Minimally Invasive Head and Neck Surgery, Department of Head and Neck Surgical Oncology and Robotic Surgery, Health Care Global (HCG) Cancer Centre, Bangalore, Karnataka India
| | - Shalini Thakur
- Division of Minimally Invasive Head and Neck Surgery, Department of Head and Neck Surgical Oncology and Robotic Surgery, Health Care Global (HCG) Cancer Centre, Bangalore, Karnataka India
| | - Gururaj Arakeri
- Division of Minimally Invasive Head and Neck Surgery, Department of Head and Neck Surgical Oncology and Robotic Surgery, Health Care Global (HCG) Cancer Centre, Bangalore, Karnataka India
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Brown JS, Crowder LP, Willcocks EJ, Bajwa MS, Schache AG. Accuracy of preoperative clinical examination and imaging for mandibular resection in oral cancer: a systematic review of diagnostic test accuracy studies. Br J Oral Maxillofac Surg 2023; 61:28-38. [PMID: 36528411 DOI: 10.1016/j.bjoms.2022.10.005] [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: 07/05/2022] [Revised: 10/08/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022]
Abstract
The aim of this systematic review is not only to analyse the accuracy of clinical examination and radiological preoperative assessment of mandibular invasion reported in isolation, but to highlight those reports that have combined them. A total of 1636 titles and abstracts published between 1995 - 2000 were screened following a literature search in PubMed. Keywords were "mandible" and "squamous cell carcinoma". A total of 90 full manuscripts were reviewed with 24 meeting defined inclusion/exclusion criteria and yielding the data reported. The most sensitive test was single photon emission tomography with eight out of the 10 studies reporting sensitivity higher than 95%. Magnetic resonance imaging (MRI) demonstrated superior sensitivity but was less specific than computed tomography (CT). A single report attempted to report the combined CT and MRI scans with a separate expert reporting but did not result in more reliable detection. Periosteal stripping was not reported, and there was insufficient data to establish the value of new technologies. This review confirms that, to our knowledge, there are no reliable data on the results of combining imaging techniques with or without clinical examination. It emphasises the lack of data for the combination of preoperative techniques to enhance safe oncological resection of the mandible. Based on the evidence gathered in this review an algorithm of assessment of possible mandibular invasion is proposed. With new technologies available and 3-dimensional models to help plan the mandibular resection and reconstruction, the potential of combining preoperative investigations should be fully realised through prospective research.
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Affiliation(s)
- James S Brown
- Liverpool Head and Neck Centre, Liverpool University Hospitals NHS Foundation Trust, Lower Lane, Liverpool L9 7AL, UK; Department of Molecular and Clinical Cancer Medicine, University of Liverpool Cancer Research Centre, 200 London Road, Liverpool L3 9TA, UK.
| | - Lauren P Crowder
- Liverpool Head and Neck Centre, Liverpool University Hospitals NHS Foundation Trust, Lower Lane, Liverpool L9 7AL, UK
| | - Edward J Willcocks
- Liverpool Head and Neck Centre, Liverpool University Hospitals NHS Foundation Trust, Lower Lane, Liverpool L9 7AL, UK
| | - Mandeep S Bajwa
- Liverpool Head and Neck Centre, Liverpool University Hospitals NHS Foundation Trust, Lower Lane, Liverpool L9 7AL, UK; Department of Molecular and Clinical Cancer Medicine, University of Liverpool Cancer Research Centre, 200 London Road, Liverpool L3 9TA, UK
| | - Andrew G Schache
- Liverpool Head and Neck Centre, Liverpool University Hospitals NHS Foundation Trust, Lower Lane, Liverpool L9 7AL, UK; Department of Molecular and Clinical Cancer Medicine, University of Liverpool Cancer Research Centre, 200 London Road, Liverpool L3 9TA, UK
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14
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Lommen J, Schorn L, Sproll C, Haussmann J, Kübler NR, Budach W, Rana M, Tamaskovics B. Reduction of CT artifacts using polyetheretherketone (PEEK), polyetherketoneketone (PEKK), polyphenylsulfone (PPSU) and polyethylene (PE) reconstruction plates in oral oncology. J Oral Maxillofac Surg 2022; 80:1272-1283. [DOI: 10.1016/j.joms.2022.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 02/06/2022] [Accepted: 03/03/2022] [Indexed: 10/18/2022]
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15
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Oh HJ, Shin DW, Yoon HJ, Myoung H, Kim SM. Primary intraosseous carcinoma in the pediatric and adolescent mandible. World J Surg Oncol 2022; 20:25. [PMID: 35086533 PMCID: PMC8793206 DOI: 10.1186/s12957-021-02465-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 11/23/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Primary intraosseous carcinoma (PIOC) is a rare malignant odontogenic tumor that predominantly occurs in males older than 50 years. PIOC can be misdiagnosed as odontogenic cyst because it occasionally shows a well-defined border on radiography. In this study, related literatures of pediatric and adolescent PIOC cases were analyzed under strict PRISMA guidelines along with an adolescent case who was provisionally misdiagnosed as an odontogenic cyst. METHODS All case reports for PIOC published in English from 1966 to 2021 were collected. Cases under the age of 20 were classified as pediatric and adolescent populations in this study. A total of 12 pediatric and adolescent cases including 11 PIOCs from the literature and one new case of a 14-year-old female were analyzed. Clinical and radiographic features, diagnosis and treatment approaches, and prognosis were investigated. RESULTS Ages ranged from 4 to 18 years. The female to male ratio was 1.4:1. Seven cases occurred in the mandible. Swelling was observed in 11 patients. The radiologic borders were well-defined in six cases and corticated in four cases. Tooth displacement and root resorption were observed in four and six cases, respectively. The provisional diagnosis for seven patients was odontogenic cyst and enucleation was performed in six cases including the new case. During the follow-up period, local recurrence occurred in three patients. The pediatric and adolescent PIOC cases with local recurrence showed poor prognosis. The locally recurred lesion in the new case did not decrease in size despite concurrent chemo-radiation therapy. CONCLUSIONS Three-dimensional imaging modalities and incisional biopsy with multiple specimens are necessary to rule out PIOC in the lesions with atypical radiographic findings. PIOC should be diagnosed differentially from odontogenic cyst even in pediatric and adolescent populations to properly manage the disease with poor prognosis.
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Affiliation(s)
- Hyun Jun Oh
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Dong Whan Shin
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Hye-Jung Yoon
- Department of Oral Pathology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Hoon Myoung
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.
| | - Soung Min Kim
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.
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Mahajan A, Agarwal U, Gupta A, Shukla S, Ashtekar R, Shah P, Sable N, Ankathi S, Ahuja A, Noronha V, Prabhash K, Menon N, Patil V, Vaish R, D' CRUZ A. Synoptic reporting in head and neck cancers— Head and Neck Cancer Imaging Reporting and Data Systems (HN-CIRADS): The journey ahead for standardization of imaging in head and neck cancer staging. CANCER RESEARCH, STATISTICS, AND TREATMENT 2022. [DOI: 10.4103/crst.crst_304_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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17
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Use of the Cover-Lifting Technique in Mandibular Cemento-Ossifying Fibroma Excision to Preserve the Inferior Alveolar Nerve. Medicina (B Aires) 2021; 57:medicina57121383. [PMID: 34946328 PMCID: PMC8707243 DOI: 10.3390/medicina57121383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 11/17/2022] Open
Abstract
Cemento-ossifying fibroma (also known as ossifying fibroma or cementifying fibroma) is a benign osteogenic neoplasm. Pain and paresthesia are rarely associated with cemento-ossifying fibroma; thus, nerves must be preserved during excision. With the advent of computer-aided techniques, the use of virtual surgical planning and a customized template can improve the precision of resection and reconstruction, reduce operating time, and improve postoperative outcomes. In this report, we describe a case of cemento-ossifying fibroma in a female patient who underwent segmental mandibulectomy and reconstruction with an iliac bone graft. Additionally, we describe a simple and effective way to preserve the inferior alveolar nerve.
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Abdel Razek AAK, Mansour M, Kamal E, Mukherji SK. MR imaging of Oral Cavity and Oropharyngeal Cancer. Magn Reson Imaging Clin N Am 2021; 30:35-51. [PMID: 34802580 DOI: 10.1016/j.mric.2021.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
MR imaging is the modality of choice in the evaluation of oral cavity and oropharyngeal cancer. Routine postcontrast MR imaging is important for the accurate localization and characterization of the locoregional extension of oral cavity and oropharyngeal cancers. The anatomy of the oral cavity and oropharynx is complex; accurate interpretation is vital for description of the extension of the masses. Understanding the new changes in the eighth edition of the American Joint Committee on Cancer staging system. MR imaging is the imaging modality of choice for detection of perineural spread.
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Affiliation(s)
| | - Manar Mansour
- Faculty of Medicine, Department of Diagnostic Radiology, Mansoura University, Elgomhoria Street, Mansoura 35512, Egypt
| | - Elsharawy Kamal
- Faculty of Medicine, Department of Otorhinolaryngology Head and Neck Surgery, Mansoura University, Elgomhoria Street, Mansoura 35512, Egypt
| | - Suresh K Mukherji
- Marian University, Head and Neck Radiology, ProScan Imaging, Carmel, IN, USA.
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Tabatabaei F, Rasoulianboroujeni M, Yadegari A, Tajik S, Moharamzadeh K, Tayebi L. Osteo-mucosal engineered construct: In situ adhesion of hard-soft tissues. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112255. [PMID: 34474817 DOI: 10.1016/j.msec.2021.112255] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/05/2021] [Accepted: 06/08/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVES The aim of this work was to combine engineered hard and soft tissue, adopting a new method for interfacial adhesion of osteo-mucosal construct. We hypothesized that the chemical procedure involved in this method not only adheres the components, but also improves the cell growth inside them. METHODS 3D-printed functionally-graded porous hard-tissue scaffolds were characterized, functionalized by aminolysis and tyrosinase, and accommodated by human osteoblast cells. Introducing amino groups through aminolysis and inducing dopaquinones by tyrosinase can take part in the Michael additions to cause the adhesion. Subsequently, fully-differentiated engineered oral mucosa was formed directly on the surface of hard tissue. Constructs were assessed in term of morphology, structure, chemical composition, histology, and cytocompatibility. Interfacial adhesion was compared to a control group prepared by using a biological glue for the attachment of the soft and hard tissues. RESULTS The data confirmed higher proliferation of osteoblast cells via aminolysis and improved osteoblast cells distribution and differentiation by incorporation of tyrosinase in collagen. There was evidence of multilayered, stratified epithelium on the osteo-mucosal model with viable fibroblasts and osteoblasts within the lamina propria and bone tissue layers. Our method of adhesion resulted in cohesive debonding within the engineered soft tissue; while in the control group, adhesive debonding and complete separation of the oral mucosa from the hard tissue was observed. Although the shear strength of the osteo-mucosal model (157.6 kDa ± 25.1) was slightly higher than that of the control group (149.4 kDa ± 23.1), there was no statistically significant difference between them (p > 0.05). However, the advantage of our in situ adhesion approach is the absence of a barrier like glue which can disrupt direct cellular communications between tissues. SIGNIFICANCE This study provides a novel method of directly combining tissue-engineered human bone with oral mucosa, which has the potential to improve cell-ingrowth and tissue integration. This engineered tissue construct, after further optimization, can be used clinically as a graft material in various oral surgeries and can also be employed as an in vitro model to investigate many aspects of oral diseases and examine dental materials and oral health care products as a replacement of in vivo models.
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Affiliation(s)
| | | | - Amir Yadegari
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - Sanaz Tajik
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - Keyvan Moharamzadeh
- Hamdan Bin Mohammed College of Dental Medicine (HBMCDM), Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai, United Arab Emirates; School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA.
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20
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FDG-PET predicts bone invasion and prognosis in patients with oral squamous cell carcinoma. Sci Rep 2021; 11:15153. [PMID: 34312436 PMCID: PMC8313663 DOI: 10.1038/s41598-021-94567-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 07/13/2021] [Indexed: 11/08/2022] Open
Abstract
18F-fluorodeoxyglucose-positron emission tomography (FDG-PET) is widely used for tumor staging. This study sought to determine the relationship of preoperative primary tumor SUVmax (tSUVmax) with the clinicopathological features of patients with OSCC and to compare the prognostic ability of tSUVmax with that of other recurrence factors. Data of 340 patients with OSCC who were diagnosed, treated, and followed up at the Changhua Christian Hospital were retrospectively analyzed. Only patients with OSCC arising from gingiva, palate, floor of the mouth, and retromolar trigone and those who had received preoperative FDG-PET within 2 weeks before surgery were included. tSUVmax value > 9.2 was the strong predictor of bone invasion (area under the receiver operating characteristic curve, 0.844). tSUVmax value > 7.2 showed a strong association with advanced pathological T stage and recurrence factors and was associated with poor survival; tSUVmax > 7.2 showed stronger predictive power for poor disease-free survival (DFS) than pT stage and the other recurrence factors related to primary tumor. FDG-PET can be a useful supplement to contrast-enhanced computed tomography or contrast-enhanced magnetic resonance imaging for diagnosing bone invasion by OSCC. The tSUVmax value was an independent predictor of DFS in this study.
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21
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Abstract
Lip and oral cavity squamous cell carcinoma (SCC) develop from progressive dysplasia of these mucosal structures. The cancers are often preceded by premalignant lesions, and any nonhealing ulcers of the lip or oral cavity should be biopsied. Some risk factors for these 2 subsites overlap and include tobacco use, alcohol use, and an immunocompromised state. Lip and oral cavity SCC are clinically staged based on physical examination and imaging. The 5-year overall survival for early-stage lip and oral cavity SCC is around 70% to 90% but decreases to about 50% for late-stage disease.
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22
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Impact of Planning Method (Conventional versus Virtual) on Time to Therapy Initiation and Resection Margins: A Retrospective Analysis of 104 Immediate Jaw Reconstructions. Cancers (Basel) 2021; 13:cancers13123013. [PMID: 34208555 PMCID: PMC8235255 DOI: 10.3390/cancers13123013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/11/2021] [Accepted: 06/13/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Computer-aided design and manufacturing of osseous reconstructions are currently widely used in jaw reconstructive surgery, providing an improved surgical outcome and decreased procedural stumbling block. However, data on the influence of planning time on the time-to-surgery initiation and resection margin are missing in the literature. This retrospective, monocentric study compares process times from the first patient contact in hospital, time of in-house or out-of-house biopsy for tumor diagnosis and surgical therapy of tumor resection, and immediate reconstruction of the jaw with free fibula flaps (FFF). Two techniques for reconstruction are used: Virtual surgical planning (VSP) and non-VSP. A total of 104 patients who underwent FFF surgery for immediate jaw reconstruction from 2002 to 2020 are included. The study findings fill the gaps in the literature and obtain clear insights based on the investigated study subjects. Abstract Virtual surgical planning (VSP) and patient-specific implants are currently increasing for immediate jaw reconstruction after ablative oncologic surgery. This technique contributes to more accurate and efficient preoperative planning and shorter operation time. The present retrospective, single-center study analyzes the influence of time delay caused by VSP vs. conventional (non-VSP) reconstruction planning on the soft and hard tissue resection margins for necessary oncologic safety. A total number of 104 cases of immediate jaw reconstruction with free fibula flap are included in the present study. The selected method of reconstruction (conventionally, non-VSP: n = 63; digitally, VSP: n = 41) are analyzed in detail. The study reveals a statistically significant (p = 0.008) prolonged time to therapy initiation with a median of 42 days when the VSP method compared with non-VSP (31.0 days) is used. VSP did not significantly affect bony or soft tissue resection margin status. Apart from this observation, no significant differences concerning local tumor recurrence, lymph node, and distant metastases rates are found according to the reconstruction method, and affect soft or bone tissue resection margins. Thus, we conclude that VSP for immediate jaw reconstruction is safe for oncological purposes.
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23
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Rajan S, Prakash P, Akhtar N, Kumar V, Gupta S, Chaturvedi A, Mahajan D, Srivastava R, Qayoom S, Chakrabarti D, Parveen S. Surgical outcomes in oral cancer involving the central arch of the mandible in elderly patients: An institutional experience. Natl J Maxillofac Surg 2021; 12:72-77. [PMID: 34188404 PMCID: PMC8191556 DOI: 10.4103/njms.njms_114_20] [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: 06/17/2020] [Revised: 07/28/2020] [Accepted: 10/12/2020] [Indexed: 11/22/2022] Open
Abstract
BACKGROUNDS Oral squamous cell cancer (SCC) is one of the most common cancers. The most common age of presentation is fifth to sixth decade. Management of this disease is dictated by stage, age, and related comorbidities. Elderly patients have their own set of limitations as far as their management is concerned. Carcinoma involving central mandibular arch is a challenging disease for surgeons, especially in the elderly. This article describes our experience with the surgical treatment of oral cancer involving the central arch of the mandible in elderly patients. METHODS Forty elderly (≥60 years) patients with histologically proven SCC of the oral cavity in which disease was involving the central arch of the mandible, were included in our study. Demographic, clinical, and treatment-related factors were recorded. The outcome was assessed in terms of postoperative complications, recurrence, and patient survival. RESULTS The median age of the patients was 63 years. The male:female ratio was 7:3. A history of oral tobacco use was present in 95% of patients. The most common site of disease was lower alveolus (80%) followed by carcinoma of the lower lip (20%). Majority of our patients (77.3% [30]) were having Stage IV disease. Mandibulectomy was either segmental (62.5%) or marginal (37.5%). Bilateral neck dissection (37/40, 92.5%) was done in most patients. Among all patients, 62.5% (25) received adjuvant radiotherapy. The local recurrence rate after a median follow-up of 30 months was 15% (6). Two-year disease-free survival and overall survival were 89% and 90%, respectively. CONCLUSION Central arch of the mandible is a difficult disease to treat. It needs a complex and lengthy reconstructive procedure. Comorbidities such as extreme age, diabetes, and pulmonary and cardiac illnesses make it more challenging to manage. With the proper evaluation of comorbidities and avoiding long, cumbersome procedures, we can provide patients a fairly good chance of survival.
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Affiliation(s)
- Shiv Rajan
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Puneet Prakash
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Naseem Akhtar
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Vijay Kumar
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Sameer Gupta
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Arun Chaturvedi
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Dhruv Mahajan
- Department of Surgical Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Resham Srivastava
- Department of Radiation Oncology, MPMMCC and HBCH, Varanasi, Uttar Pradesh, India
| | - Sumaira Qayoom
- Department of Pathology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Deep Chakrabarti
- Department of Radiation Oncology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Shirin Parveen
- Department of Anesthesiology, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
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Subramaniam N, Poptani H, Schache A, Bhat V, Iyer S, Sunil HV, Chandrasekhar N, Pillai V, Chaturvedi P, Krishna S, Krishnamurthy A, Kekatpure V, Kuriakose M, Iyer NG, Thakkar A, Kantharia R, Sonkar A, Shetty V, Rangappa V, Kolur T, Vidhyadharan S, Murthy S, Kudpaje A, Srinivasalu V, Mahajan A. Imaging advances in oral cavity cancer and perspectives from a population in need: Consensus from the UK-India oral cancer imaging group. JOURNAL OF HEAD & NECK PHYSICIANS AND SURGEONS 2021. [DOI: 10.4103/jhnps.jhnps_10_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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25
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Ma H, Shujaat S, Bila M, Nanhekhan L, Vranckx J, Politis C, Jacobs R. Survival analysis of segmental mandibulectomy with immediate vascularized fibula flap reconstruction in stage IV oral squamous cell carcinoma patients. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2020; 123:44-50. [PMID: 33321252 DOI: 10.1016/j.jormas.2020.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/21/2020] [Accepted: 12/08/2020] [Indexed: 12/24/2022]
Abstract
PURPOSE This study aims to assess the survival rate of oral squamous cell carcinoma (OSCC) patients following immediate mandibular reconstruction with vascularized fibula flap (VFF) and to identify risk factors influencing the overall survival rate and postoperative outcomes. PATIENTS AND METHODS Patients suitable for the inclusion criterion diagnosed and treated between January 1996 till June 2019 for OSCC were retrospectively reviewed (n = 74). Potential risk factors and postoperative outcomes were recorded and analyzed. RESULTS The overall cumulative survival rate of patients was 0.52 at the end of 5th year. Overall, advanced pN stage (p = 0.0422), poor tumor differentiation (p < 0.0001), positive/close surgical margins (p = 0.0209), vascular invasion (p = 0.0395), perineural invasion (p = 0.0022) and tumor recurrence (p = 0.0232) were significantly related to a decreased cumulative survival. Tumor recurrence was significantly correlated with involvement of positive/close surgical margins, moderate (p = 0.0488), poor-differentiated tumors (p = 0.202), extracapsular spread (p = 0.0465), computer-assisted surgery (p = 0.0014) and early complications (p = 0.0224). Pain was significantly associated with the extracapsular spread (p = 0.0353) and early complications (p = 0.0127). CONCLUSION The five-year survival rate of advanced OSCC patients after segmental mandibulectomy with fibula free-flap reconstruction was 52.4%. Clinical/pathological risk factors such as the pN stage, tumor differentiation, surgical margins, vascular invasion, perineural invasion, tumor recurrence significantly influenced the overall cumulative survival rate.
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Affiliation(s)
- Hongyang Ma
- OMFS IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven and Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Sohaib Shujaat
- OMFS IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven and Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Michel Bila
- OMFS IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven and Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Lloyd Nanhekhan
- Department of Plastic, Reconstructive, and Aesthetic Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Jan Vranckx
- Department of Plastic, Reconstructive, and Aesthetic Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Constantinus Politis
- OMFS IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven and Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Reinhilde Jacobs
- OMFS IMPATH Research Group, Department of Imaging & Pathology, Faculty of Medicine, KU Leuven and Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium; Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden.
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26
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Yue LE, Sharif KF, Sims JR, Sandler ML, Baik FM, Sobotka S, Everest S, Brandwein-Weber M, Khorsandi AS, Likhterov I, Urken ML. Oral squamous carcinoma: Aggressive tumor pattern of invasion predicts direct mandible invasion. Head Neck 2020; 42:3171-3178. [PMID: 32710523 DOI: 10.1002/hed.26360] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 05/12/2020] [Accepted: 06/16/2020] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Aggressive histologic worst pattern of invasion (WPOI) in surrounding soft tissue has been shown to be predictive of higher local recurrence and poorer survival in oral cavity squamous cell carcinoma (OCSCC) patients. This study investigates whether aggressive WPOI can predict the mandibular invasion phenotype. METHODS Patients consecutively diagnosed with OCSCC undergoing a mandibulectomy (marginal or segmental) between 2013 and 2018 were reviewed. Senior physicians re-reviewed radiologic scans and pathologic slides of 44 cases. RESULTS Aggressive WPOI (WPOI-4, 5) is significantly associated with infiltrative bone invasion. Non-aggressive WPOI (WPOI-1, 2, 3) is significantly associated with the absence of bone invasion. CONCLUSIONS WPOI has become a useful tool that further characterizes the biologic behavior of OCSCC. Potentially, planned surgery may escalate from a marginal to segmental mandibulectomy based on aggressive WPOI for patients with radiographically uncertain cortical status. Further studies are needed to validate the relationship between OCSCC WPOI and mandible status.
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Affiliation(s)
- Lauren E Yue
- THANC (Thyroid, Head and Neck Cancer) Foundation, New York City, New York, USA
| | - Kayvon F Sharif
- THANC (Thyroid, Head and Neck Cancer) Foundation, New York City, New York, USA
| | - John R Sims
- Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Mykayla L Sandler
- THANC (Thyroid, Head and Neck Cancer) Foundation, New York City, New York, USA
| | - Fred M Baik
- Department of Otolaryngology-Head and Neck Surgery, Stanford University Medical Center, Stanford, California, USA
| | - Stanislaw Sobotka
- Department of Otolaryngology, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Sedef Everest
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | | | - Azita S Khorsandi
- Department of Radiology, New York Eye & Ear Infirmary of Mount Sinai, New York City, New York, USA
| | - Ilya Likhterov
- Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Mark L Urken
- THANC (Thyroid, Head and Neck Cancer) Foundation, New York City, New York, USA.,Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
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27
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Bozec A, Culié D, Poissonnet G, Dassonville O. Current role of primary surgical treatment in patients with head and neck squamous cell carcinoma. Curr Opin Oncol 2020; 31:138-145. [PMID: 30865132 DOI: 10.1097/cco.0000000000000531] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW The objective of this review article is to discuss the current role of surgery as the primary treatment modality in patients with head and neck squamous cell carcinoma (HNSCC). RECENT FINDINGS HNSCC represents one of the cancer locations where the primary treatment modality is the most under discussion. Indeed, the respective roles of primary surgical resection followed, as necessary, by adjuvant radiotherapy or definitive chemoradiotherapy remain controversial. The results of organ preservation trials and the drastic rise in the incidence of human papillomavirus-induced oropharyngeal tumors, which are known to be highly radiosensitive, have led to an increasing use of chemoradiation-based therapies in HNSCC patients. However, no chemoradiation-based protocol has shown better oncologic outcomes than radical primary surgery. Moreover, development of minimally invasive surgical techniques, such as transoral robotic surgery, and advances in head and neck microvascular reconstruction have considerably improved the clinical outcomes of the patients and have led to a reconsideration of the role of primary surgery in HNSCC patients. SUMMARY Surgery should be the primary treatment modality for most resectable oral cavity cancers and for T4a laryngeal/hypopharyngeal cancers. Primary surgery could also be the preferred modality of treatment for most early (T1-T2, N0) laryngeal and hypo/oropharyngeal carcinomas when this strategy offers an opportunity to reserve radiotherapy for a potential recurrence or second primary tumor. Primary surgery should also be considered in patients with locally advanced human papillomavirus-negative oropharyngeal carcinoma.
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Affiliation(s)
- Alexandre Bozec
- Institut Universitaire de la Face et du Cou, Centre Antoine Lacassagne, Université Côte d'Azur, Nice, France
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28
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Mahajan A, Ahuja A, Sable N, Stambuk HE. Imaging in oral cancers: A comprehensive review. Oral Oncol 2020; 104:104658. [PMID: 32208340 DOI: 10.1016/j.oraloncology.2020.104658] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 03/11/2020] [Accepted: 03/17/2020] [Indexed: 02/08/2023]
Abstract
This review aims at simplifying the relevant imaging anatomy, guiding the optimal imaging method and highlighting the key imaging findings that influence prognosis and management of oral cavity squamous cell carcinoma (OSCC). Early OSCC can be treated with either surgery alone while advanced cancers are treated with a combination of surgery, radiotherapy and/or chemotherapy. Considering the complex anatomy of the oral cavity and its surrounding structures, imaging plays an indispensable role not only in locoregional staging but also in the distant metastatic work-up and post treatment follow-up. Knowledge of the anatomy with understanding of common routes of spread of cancer, allows the radiologist to accurately determine disease extent and augment clinical findings to plan appropriate therapy. This review aims at simplifying the relevant imaging anatomy, guiding the optimal imaging method and highlighting the key imaging findings that influence prognosis and management.
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Affiliation(s)
- Abhishek Mahajan
- Department of Radiodiagnosis and Imaging, Tata Memorial Hospital, Mumbai 400012, India.
| | - Ankita Ahuja
- Department of Radiodiagnosis and Imaging, Tata Memorial Hospital, Mumbai 400012, India
| | - Nilesh Sable
- Department of Radiodiagnosis and Imaging, Tata Memorial Hospital, Mumbai 400012, India
| | - Hilda E Stambuk
- Department of Radiology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10021, USA
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29
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Chatterjee A, Laskar SG, Chaukar D. Management of early oral cavity squamous cancers. Oral Oncol 2020; 104:104627. [PMID: 32169747 DOI: 10.1016/j.oraloncology.2020.104627] [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: 02/28/2019] [Revised: 02/26/2020] [Accepted: 03/01/2020] [Indexed: 12/11/2022]
Abstract
Early oral cavity cancers comprise a favorable entity, amenable to clinical staging and single modality treatment. Surgery typically forms the mainstay of treatment and should ideally address both the primary and the neck in all cases. Careful attention must be paid to reconstruction and rehabilitation of such patients. Radical radiotherapy mainly in the form of brachytherapy can achieve excellent disease related and functional outcomes in a carefully chosen subset of patients. Increasingly, a subset of patients is being recognized, who harbor single or multiple adverse features on histopathology and may therefore benefit from escalation of adjuvant therapy. This review discusses the management of early oral cavity squamous carcinomas (Early OSCCs) in detail and highlights the dilemmas and controversies faced in the management of the same.
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Affiliation(s)
- Abhishek Chatterjee
- Department of Radiation Oncology, Tata Memorial Centre, Homi Bhabha National University (HBNI), Mumbai, India
| | - Sarbani Ghosh Laskar
- Department of Radiation Oncology, Tata Memorial Centre, Homi Bhabha National University (HBNI), Mumbai, India.
| | - Devendra Chaukar
- Department of Head & Neck Surgical Oncology, Tata Memorial Centre, Homi Bhabha National University (HBNI), Mumbai, India
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30
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Ribeiro-Junior PD, Momesso NR, Padovan LEM, Oreadi D, Matsumoto MA. Immediate Oral Rehabilitation Using Dental Implants After Marginal Mandibulectomy: A Case Report. J ORAL IMPLANTOL 2020; 46:73-79. [PMID: 31815591 DOI: 10.1563/aaid-joi-d-19-00143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Mandibular reconstruction techniques are always a challenge to oral and maxillofacial (OMF) surgeons. Techniques and treatment plans that offer the patient OMF rehabilitation should always be available. Technological innovations have enabled more rapid, safer, and more secure treatment than in the past. This article describes a case using a different approach. The patient was treated with marginal mandibulectomy and immediate rehabilitation with osseointegrated implants; a hybrid prosthesis was fabricated a short time thereafter. This treatment plan demonstrated its utility and efficiency in this case. An approach with fewer surgeries and OMF rehabilitation needs be considered in all cases.
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Affiliation(s)
| | | | | | - Daniel Oreadi
- Tufts University School of Dental Medicine, Tufts Medical Center, Boston, Mass
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31
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Shan A, Boahene K, Pitman KT, Blanco RG. Intraoperative Radiographic Assessment of Bone Resection Margins During Mandibulectomy: A Case Series. EAR, NOSE & THROAT JOURNAL 2019; 100:500S-504S. [PMID: 31722565 DOI: 10.1177/0145561319888034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND AND PURPOSE Mandibulectomy remains the treatment of choice for oral cavity squamous cell carcinoma with infiltration of bone and for benign tumors with full mandibular thickness involvement. Although bone resection margins are critical for patient outcomes, intraoperative immediate bone margins assessment is inadequate, and few alternative options have been described. The purpose of this study was to describe the use of an existing intraoperative radiographic system for objective determination of bone resection margins during mandibulectomy. METHODS We conducted a retrospective case series of all patients at the Greater Baltimore Medical Center who underwent mandibulectomy and received intraoperative Faxitron radiography from January 1, 2016, to March 1, 2019. Patient characteristics including age, sex, diagnosis, tumor location, clinical and pathologic stage, procedure performed, and bone resection margins were reviewed. RESULTS A total of 10 patients underwent mandibulectomy with intraoperative radiography. Nine (90%) received surgery for squamous cell carcinoma, with 1 (10%) for ameloblastoma. Out of those with squamous cell carcinoma, tumor location varied, and all were clinically stage T4. Final pathologic margins were negative in all cases (10/10), though in 2 cases, close margins were assessed intraoperatively, leading to further resection or change in operative plan. CONCLUSION Intraoperative radiographic assessment of bone resection margins is a promising technique, though further validation is required.
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Affiliation(s)
- Alan Shan
- Milton J. Dance, Jr. Head and Neck Center, 1499Greater Baltimore Medical Center, Baltimore, MD, USA
| | - Kofi Boahene
- Department of Otolaryngology, 1499Greater Baltimore Medical Center, Baltimore, MD, USA
| | - Karen T Pitman
- Milton J. Dance, Jr. Head and Neck Center, 1499Greater Baltimore Medical Center, Baltimore, MD, USA.,Department of Otolaryngology, 1499Greater Baltimore Medical Center, Baltimore, MD, USA
| | - Ray G Blanco
- Milton J. Dance, Jr. Head and Neck Center, 1499Greater Baltimore Medical Center, Baltimore, MD, USA.,Department of Otolaryngology, 1499Greater Baltimore Medical Center, Baltimore, MD, USA.,Department of General Surgery, 1499Greater Baltimore Medical Center, Baltimore, MD, USA
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32
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Fiani N, Peralta S. Extended Subtotal Mandibulectomy for the Treatment of Oral Tumors Invading the Mandibular Canal in Dogs-A Novel Surgical Technique. Front Vet Sci 2019; 6:339. [PMID: 31637248 PMCID: PMC6787549 DOI: 10.3389/fvets.2019.00339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 09/20/2019] [Indexed: 11/13/2022] Open
Abstract
Mandibular tumors in the oral cavity of dogs can be locally aggressive and infiltrative, involving adjacent soft and hard tissues. Tumors that invade the mandibular canal are considered likely to extend rostrally and caudally within that structure due to minimal tissue resistance. When this occurs, a total mandibulectomy is thought to be the treatment of choice as it allows en bloc excision of the mandibular canal. This procedure is technically challenging and time consuming. In the present report we describe a novel technique, the extended subtotal mandibulectomy, as a possible alternative in cases of mandibular body tumors that have invaded the mandibular canal. This technique allows the complete excision of the mandibular canal whilst retaining the coronoid and condylar processes.
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Affiliation(s)
- Nadine Fiani
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Santiago Peralta
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
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33
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Joo YH, Koo BS. Evolving Strategy for Surgical Management of Oral Cancer: Present and Future. Clin Exp Otorhinolaryngol 2019; 12:101-102. [PMID: 30942046 PMCID: PMC6453792 DOI: 10.21053/ceo.2019.00164] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 02/27/2019] [Indexed: 01/02/2023] Open
Affiliation(s)
- Young-Hoon Joo
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Bon Seok Koo
- Department of Otolaryngology-Head and Neck Surgery, Chungnam National University College of Medicine, Daejeon, Korea
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34
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Cao Y, Wang T, Yu C, Guo X, Li C, Li L. Elective Neck Dissection Versus Wait-and-Watch Policy for Oral Cavity Squamous Cell Carcinoma in Early Stage: A Systematic Review and Meta-Analysis Based on Survival Data. J Oral Maxillofac Surg 2019; 77:2154-2167. [PMID: 31014965 DOI: 10.1016/j.joms.2019.03.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 03/16/2019] [Accepted: 03/16/2019] [Indexed: 02/05/2023]
Abstract
PURPOSE Whether elective neck dissection (END) should be adopted for patients with clinically early-stage (cT1-2N0M0) oral cavity squamous cell carcinoma (OCSCC) remains debated. The aim of this systematic review was to compare the survival benefit of END with that of the wait-and-watch policy (WW) for patients with early-stage OCSCC based on survival data. MATERIALS AND METHODS According to the inclusion criteria, an exhaustive search for eligible studies was conducted. The study inclusion and data extraction were performed by 2 reviewers independently. The risk of bias was assessed in duplicate using the Risk Of Bias In Nonrandomized Studies of Interventions instrument. The hazard ratio (HR) of the time-to-event data was extracted or estimated. RevMan 5.3 and STATA 15.1 were adopted for data synthesis. RESULTS Of the 35 studies that were included, only 5 were assessed as having a low risk of bias. Results of the meta-analyses showed END could significantly decrease neck recurrence (relative risk = 0.45; confidence interval [CI], 0.35-0.59; P < .00001) and improve disease-free survival (HR = 0.55; CI, 0.42-0.71; P < .00001), overall survival (HR = 0.75; CI, 0.64-0.86; P < .0001), and disease-specific survival (HR = 0.76; CI, 0.61-0.94; P = .01) compared with WW for patients with cT1-2N0. The subgroup analysis showed that END could decrease neck recurrence (P < .00001) and improve disease-free survival (P = .001) for patients with early-stage tongue cancer and that supraomohyoid neck dissection could decrease neck recurrence (P = .02). For patients with cT1N0, END could significantly decrease the proportion with neck recurrence (P = .0008) and improve disease-free survival (P = .0003), but the difference between overall survival and disease-specific survival did not achieve significance. CONCLUSIONS END can decrease recurrence and improve survival time for patients with early-stage OCSCC. More high-quality studies are needed to make a solid conclusion, especially for patients with cT1N0M0.
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Affiliation(s)
- Yubin Cao
- PhD Candidate, Department of Head and Neck Oncology, West China Hospital of Stomatology, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
| | - Tao Wang
- PhD Candidate, Department of Head and Neck Oncology, West China Hospital of Stomatology, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
| | - Changhao Yu
- PhD Candidate, State Key Laboratory of Oral Diseases, West China College of Stomatology, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
| | - Xia Guo
- Associate Professor, College of Foreign Languages and Cultures, Sichuan University, Chengdu, China
| | - Chunjie Li
- Associate Professor, Department of Head and Neck Oncology, West China Hospital of Stomatology, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China.
| | - Longjiang Li
- Professor, Department of Head and Neck Oncology, West China Hospital of Stomatology, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
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Joo YH, Cho JK, Koo BS, Kwon M, Kwon SK, Kwon SY, Kim MS, Kim JK, Kim H, Nam I, Roh JL, Park YM, Park IS, Park JJ, Shin SC, Ahn SH, Won S, Ryu CH, Yoon TM, Lee G, Lee DY, Lee MC, Lee JK, Lee JC, Lim JY, Chang JW, Jang JY, Chung MK, Jung YS, Cho JG, Choi YS, Choi JS, Lee GH, Chung PS. Guidelines for the Surgical Management of Oral Cancer: Korean Society of Thyroid-Head and Neck Surgery. Clin Exp Otorhinolaryngol 2019; 12:107-144. [PMID: 30703871 PMCID: PMC6453784 DOI: 10.21053/ceo.2018.01816] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 12/14/2018] [Indexed: 01/08/2023] Open
Abstract
Korean Society of Thyroid-Head and Neck Surgery appointed a Task Force to provide guidance on the implementation of a surgical treatment of oral cancer. MEDLINE databases were searched for articles on subjects related to “surgical management of oral cancer” published in English. Results were restricted to systematic reviews, randomized control trials/controlled clinical trials, and observational studies. The quality of evidence was rated with use RoBANS (Risk of Bias Assessment Tool for Nonrandomized Studies) and AMSTAR (A Measurement Tool to Assess the Methodological Quality of Systematic Reviews). Evidence-based recommendations for practice were ranked according to the American College of Physicians grading system. Additional directives are provided as expert opinions and Delphi questionnaire when insufficient evidence existed. The Committee developed 68 evidence-based recommendations in 34 categories intended to assist clinicians and patients and counselors, and health policy-makers. Proper surgical treatment selection for oral cancer, which is directed by patient- and subsite-specific factors, remains the greatest predictor of successful treatment outcomes. These guidelines are intended for use in conjunction with the individual patient’s treatment goals.
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Affiliation(s)
- Young-Hoon Joo
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jae-Keun Cho
- Department of Otorhinolaryngology Head and Neck Surgery, Inje University College of Medicine, Busan, Korea
| | - Bon Seok Koo
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
| | - Minsu Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Eulji University School of Medicine, Daejeon, Korea
| | - Seong Keun Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Soon Young Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Min-Su Kim
- Department of Otorhinolaryngology Head and Neck Surgery, CHA University School of Medicine, Seongnam, Korea
| | - Jeong Kyu Kim
- Department of Otorhinolaryngology Head and Neck Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea
| | - Heejin Kim
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
| | - Innchul Nam
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young Min Park
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Il-Seok Park
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
| | - Jung Je Park
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Sung-Chan Shin
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Soon-Hyun Ahn
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Seongjun Won
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Chang Hwan Ryu
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Tae Mi Yoon
- Department of Otorhinolaryngology Head and Neck Surgery, Chonnam National University Medical School, Hwasun, Korea
| | - Giljoon Lee
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Doh Young Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Myung-Chul Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - Joon Kyoo Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Chonnam National University Medical School, Hwasun, Korea
| | - Jin Choon Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Jae-Yol Lim
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Won Chang
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jeon Yeob Jang
- Department of Otorhinolaryngology Head and Neck Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Man Ki Chung
- Department of Otorhinolaryngology Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yuh-Seok Jung
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Jae-Gu Cho
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Yoon Seok Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Yeungnam University College of Medicine, Daegu, Korea
| | - Jeong-Seok Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Inha University School of Medicine, Incheon, Korea
| | - Guk Haeng Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - Phil-Sang Chung
- Department of Otorhinolaryngology Head and Neck Surgery, Dankook University College of Medicine, Cheonan, Korea
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Madera Anaya M, Franco JVA, Ballesteros M, Solà I, Urrútia Cuchí G, Bonfill Cosp X. Evidence mapping and quality assessment of systematic reviews on therapeutic interventions for oral cancer. Cancer Manag Res 2018; 11:117-130. [PMID: 30636891 PMCID: PMC6307675 DOI: 10.2147/cmar.s186700] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Purpose This evidence mapping aims to describe and assess the quality of available evidence in systematic reviews (SRs) on treatments for oral cancer. Materials and methods We followed the methodology of Global Evidence Mapping. Searches in MEDLINE, EMBASE, Epistemonikos and The Cochrane Library were conducted to identify SRs on treatments for oral cancer. The methodological quality of SRs was assessed using the Assessing the Methodological Quality of Systematic Reviews-2 tool. We organized the results according to identified Population–Intervention–Comparison–Outcome (PICO) questions and presented the evidence mapping in tables and a bubble plot. Results Fifteen SRs met the eligibility criteria, including 118 individual reports, of which 55.1% were randomized controlled clinical trials. Ten SRs scored “Critically low” methodological quality. We extracted 30 PICOs focusing on interventions such as surgery, radiotherapy, chemotherapy, targeted therapy and immunotherapy; 18 PICOs were for resectable oral cancer, of which 8 were reported as beneficial. There were 12 PICOs for unresectable oral cancer, of which only 2 interventions were reported as beneficial. Conclusion There is limited available evidence on treatments for oral cancer. The methodological quality of most included SRs scored “Critically low”. The main beneficial treatment reported by authors for patients with resectable oral cancer is surgery alone or in combination with radiotherapy or chemotherapy. Evidence about the benefits of the treatments for unresectable oral cancer is lacking. These findings highlight the need to address future research focused on new treatments and knowledge gaps in this field, and increased efforts are required to improve the methodology quality and reporting process of SRs on treatments for oral cancer.
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Affiliation(s)
- Meisser Madera Anaya
- Department of Research, Faculty of Dentistry, University of Cartagena, Cartagena, Colombia, .,Iberoamerican Cochrane Centre, Institute of Biomedical Research Sant Pau (IIB Sant Pau), Barcelona, Spain, .,Department of Public Health and Clinical Epidemiology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain,
| | - Juan Victor Ariel Franco
- Department of Research, Cochrane Argentina, Instituto Universitario Hospital Italiano, Buenos Aires, Argentina
| | - Mónica Ballesteros
- Iberoamerican Cochrane Centre, Institute of Biomedical Research Sant Pau (IIB Sant Pau), Barcelona, Spain,
| | - Ivan Solà
- Iberoamerican Cochrane Centre, Institute of Biomedical Research Sant Pau (IIB Sant Pau), Barcelona, Spain, .,Department of Public Health and Clinical Epidemiology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain,
| | - Gerard Urrútia Cuchí
- Iberoamerican Cochrane Centre, Institute of Biomedical Research Sant Pau (IIB Sant Pau), Barcelona, Spain, .,Department of Public Health and Clinical Epidemiology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain,
| | - Xavier Bonfill Cosp
- Iberoamerican Cochrane Centre, Institute of Biomedical Research Sant Pau (IIB Sant Pau), Barcelona, Spain, .,Department of Public Health and Clinical Epidemiology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain, .,CIBER de Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
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