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Mandibulectomy

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https://www.readbyqxmd.com/read/28721660/clinicopathologic-and-molecular-characteristics-of-familial-cherubism-with-associated-odontogenic-tumorous-proliferations
#1
Prokopios P Argyris, Rajaram Gopalakrishnan, Ying Hu, Ernst J Reichenberger, Ioannis G Koutlas
Cherubism is a rare autosomal dominant condition affecting the jaws and caused by mutations in the gene encoding for the adapter protein SH3BP2 that maps to chromosome 4p16.3. Cherubism is characterized by symmetrically developing bone lesions in the maxilla and mandible. The lesions have been radiographically and histopathologically well-described. Here, we present a family with cherubism with two of its members featuring odontogenic tumorous proliferations in association with persistent central giant cell lesions (CGCL)...
July 18, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28688157/the-application-of-3-dimensional-printing-for-preoperative-planning-in-oral-and-maxillofacial-surgery-in-dogs-and-cats
#2
Jenna N Winer, Frank J M Verstraete, Derek D Cissell, Steven Lucero, Kyriacos A Athanasiou, Boaz Arzi
OBJECTIVE: To describe the application of 3-dimensional (3D) printing in advanced oral and maxillofacial surgery (OMFS) and to discuss the benefits of this modality in surgical planning, student and resident training, and client education. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned dogs (n = 28) and cats (n = 4) with 3D printing models of the skulls. METHODS: The medical records of 32 cases with 3D printing prior to major OMFS were reviewed...
July 8, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28642188/costal-graft-as-a-support-for-bone-regeneration-after-mandibular-juvenile-ossifying-fibroma-resection-an-unusual-case-report
#3
F Fauvel, R Pace, F Grimaud, F Marion, P Corre, B Piot
Spontaneous regeneration of bone tissue after mandibular resection is rare in adults, although it does often take place in children. Periosteum conservation appears to play a major role in this healing process. We here report regarding a 5-year-old boy who exhibited a large mandibular trabecular juvenile ossifying fibroma. The lesion was treated by mandibulectomy, with careful preservation of the periosteal layer and immediate reconstruction with a costal graft by an intraoral approach. Monitoring over the course of a year revealed spontaneous mandibular regeneration, and it allowed for a series of measurements of the graft to be made...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28628354/soft-tissue-enhancement-and-implant-placement-following-partial-mandibulectomy-due-to-squamous-cell-carcinoma
#4
Fabio Bernardello, Giampietro Bertasi, Ralph Mackey Powers, Sergio Spinato, Andrea Viaggi, Jimmie Bullock, Pietro Felice
Many dental procedures allow for implant placement in partially or totally edentulous patients. Despite the availability of various implant and abutment types on the market, it often becomes quite challenging to achieve the biological and esthetic goals in a patient who has ridge deficiencies. Where problems will arise is from the lack of adequate bone quality and quantity.1,2 Soft tissue form and maintenance is also a consideration to evaluate.3 Primary reconstructive techniques following segmental mandibulectomy is evolving and improves quality of life...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28624429/squamous-cell-carcinoma-of-the-retromolar-trigone-treatment-outcomes
#5
Hideaki Nishi, Takeshi Shinozaki, Toshifumi Tomioka, Takashi Maruo, Ryuichi Hayashi
OBJECTIVE: Squamous cell carcinoma (SCC) of the retromolar trigone is uncommon, accounting for 1.4% of all oral cancer cases in Japan. Few studies have examined the optimal treatment for this cancer. The aim of this study was to evaluate the outcome of treatment for primary SCC of the retromolar area. METHODS: We retrospectively analyzed the outcome and prognosis of 45 patients (38 men, 7 women) with SCC of the retromolar trigone who underwent treatment in our department between July 1992 and March 2011...
June 14, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28580200/treatment-outcomes-of-rare-retromolar-trigone-squamous-cell-carcinoma-using-combined-modalities
#6
Muhammad Faisal, Taskheer Abbas, Usman Khaleeq, Mohammad Adeel, Abdul Wahid Anwer, Raza Hussain, Arif Jamshed
BACKGROUND: Retromolar trigone squamous cell carcinoma is relatively uncommon and due to its complex anatomy has always remained a challenge in terms of loco-regional control and survival. Surgery, radiotherapy, and chemotherapy as combined modalities have been used but high recurrence rates result in poor outcome. METHODS: We have retrospectively evaluated records of 62 patients treated in Head and Neck Oncology unit of Shaukat Khanum Memorial Cancer Hospital and Research Centre (SKMCH and RC), Lahore, Pakistan from 2004 to 2014 who were included based on the criteria of histopathological proven squamous cell carcinoma of retromolar trigone (RMT) treated with radical intent...
May 1, 2017: Curēus
https://www.readbyqxmd.com/read/28571278/applicability-of-the-cielab-and-ciede2000-formulae-for-detection-of-colour-changes-in-colour-changeable-chewing-gum-for-evaluating-masticatory-function
#7
Yesiboli Yeerken, Takafumi Otomaru, Mohamed Said, Na Li, Hisashi Taniguchi
INTRODUCTION: Mastication is one of the essential stomatognathic functions and is impaired when mandibulectomy is performed for removal of head and neck lesions. AIM: The purpose of this study was to investigate the correlation between perceived chewing ability {Masticatory Score (MS)} and objective mixing ability (∆E) in patients who had undergone marginal mandibulectomy. MATERIALS AND METHODS: Twenty normal dentate subjects as control group and twenty mandibulectomy patients who had undergone marginal mandibulectomy and wearing a dentomaxillary prosthesis were enrolled...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28502762/clear-cell-odontogenic-carcinoma-diagnostic-difficulties-a-case-report
#8
U Ordioni, G Benat, M Hadj Saïd, A Gomez-Brouchet, C Chossegros, J-H Catherine
INTRODUCTION: Clear cell odontogenic carcinoma (COCC) is a rare tumor described by Hansen et al. in 1985. The clinical and radiological manifestations are multiple and the diagnosis is histological. OBSERVATION: A 64-year-old patient consulted us for a right mandibular osteolytic lesion associated to a homolateral labial hypoesthesia. A biopsy was performed under local anesthesia. Histology was consistent with a metastatic lesion of clear kidney cell carcinoma, COCC, or odontogenic squamous tumor...
May 11, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28469823/clinicopathologic-analysis-of-14-cases-of-odontogenic-myxoma-and-review-of-the-literature
#9
Ana-Lucia-Noronha Francisco, Thiago-Celestino Chulam, Fábio-Oliveira Silva, Diogo-Gonçalves Ribeiro, Clóvis-Antônio-Lopes Pinto, Rogério-Oliveira Gondak, Luiz-Paulo Kowalski, João Gonçalves-Filho
BACKGROUND: Odontogenic myxoma is a rare benign neoplasm that originates from odontogenic ectomesenchyme. There is no standard of care and recurrences are frequent after conservative surgical procedures. MATERIAL AND METHODS: A retrospective study conducted at a single cancer center, with analysis of medical records of all patients diagnosed with odontogenic myxoma from 1980 to 2010, along with a literature review. RESULTS: There were 14 patients with diagnosis of odontogenic myxoma (OM)...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28467662/impact-of-venous-outflow-tract-on-survival-of-osteocutaneous-free-fibula-flaps-for-mandibular-reconstruction-a-14-year-review
#10
Eric I Chang
BACKGROUND: The principle reconstructive modality for segmental mandibulectomy defects is the osteocutaneous free fibula flap. Preoperative CT angiography has been recommended to assess the quality of arterial inflow to the flap and donor limb. However, the impact of the venous system on flap viability has not been explored. METHODS: A retrospective review of all patients undergoing free fibula flap mandible reconstruction was performed at a single tertiary cancer center from 2002 to 2015...
July 2017: Head & Neck
https://www.readbyqxmd.com/read/28454328/reconstruction-of-mandibular-defects-with-autogenous-bone-and-decellularized-bovine-bone-grafts-with-freeze-dried-bone-marrow-stem-cell-paracrine-factors
#11
Ann Kakabadze, Konstantine Mardaleishvili, George Loladze, Lia Karalashvili, Gocha Chutkerashvili, David Chakhunashvili, Zurab Kakabadze
The gold standard following segmental mandibulectomy is vascularized autologous bone graft in the form of the fibula flap. However, in bone reconstruction the use of autogenous bone does not always guarantee a successful outcome. The aim of the present investigation was to develop a novel biologically active bone (BAB) graft, and to use it for the reconstruction of large size defects of the mandible bone following tumor resection. In the first part of the present study, biologically active bone graft was developed by using human freeze-dried bone marrow stem cells (BMSCs) paracrine factors and three-dimensional bone scaffold derived from cancellous bovine bone following decellularization...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28420035/prospective-series-of-reconstruction-of-complex-composite-mandibulectomy-defects-with-double-island-free-fibula-flap
#12
Edward I Chang, Peirong Yu
BACKGROUND: A double island free fibula (DIFF) flap can be used for reconstruction of through-and-through or complex mandibulectomy defects, but prospective studies are lacking. METHODS: Prospective analysis of all double skin paddle fibula flaps performed from 2010 to 2016. RESULTS: Overall, 16 patients underwent reconstruction with a DIFF flap (average age: 59.1 years). One patient, who underwent a DIFF flap and developed osteoradionecrosis, requiring a second flap...
August 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28403069/using-a-pedicle-pectoralis-major-musculocutaneous-flap-in-head-and-neck-reconstruction-after-modified-radical-mastectomy-a-case-report
#13
Jen-Wu Huang, Nai-Yuan Wu, Yi-Ying Lin
RATIONALE: A pedicle pectoralis major musculocutaneous (PMMC) flap is one of the strategies for head and neck reconstruction. Seldom studies reported the case in which the skin area of previous modified radical mastectomy (MRM) had been used as a PMMC flap in head and neck reconstruction. PATIENT CONCERNS: An 84-year-old female who had suffered from left breast cancer and undergone a left modified radical mastectomy (MRM) more than 20 years earlier. DIAGNOSES: She had squamous cell carcinoma of the tongue and had undergone partial glossection and left modified radial neck dissection...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28390434/surgical-site-infections-following-oral-cavity-cancer-resection-and-reconstruction-is-a-risk-factor-for-plate-exposure
#14
Christopher M Yao, Hedyeh Ziai, Gordon Tsang, Andrea Copeland, Dale Brown, Jonathan C Irish, Ralph W Gilbert, David P Goldstein, Patrick J Gullane, John R de Almeida
BACKGROUND: Plate-related complications following head and neck cancer ablation and reconstruction remains a challenging problem often requiring further management and reconstructive surgeries. We aim to identify an association between surgical site infections (SSI) and plate exposure. METHODS: A retrospective study between 1997 and 2014 was performed to study the association between postoperative SSI and plate exposures. Eligible patients included those with a history of oral squamous cell carcinoma who underwent surgical resection, neck dissection, and free tissue reconstruction...
April 8, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28387155/commissurotomy
#15
Curt Ritchie
This step-by-step feature provides a pictorial description of the commissurotomy procedure. Commissurotomy can be performed to increase surgical access to the caudal oral cavity for procedures such as total mandibulectomy, caudal mandibulectomy, and surgical access to the mandibular ramus.
January 1, 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28385440/quality-of-life-assessment-of-implant-retained-overdentures-and-fixed-metal-acrylic-resin-prostheses-in-patients-with-marginal-mandibulectomy
#16
Banu Karayazgan-Saracoglu, Arzu Atay, Cumhur Korkmaz, Yumushan Gunay
STATEMENT OF PROBLEM: Several factors affect the prosthetic outcome of patients with mandibular defects. However, it is questionable whether fixed or removable implant-supported prostheses meet the expectations and satisfaction of the patients. The perspectives of these patients are important in managing the prosthetic treatment strategies. PURPOSE: The purpose of this prospective clinical study was to evaluate the satisfaction and oral health-related quality of life of patients with marginal mandibulectomies with implant-retained overdentures and fixed metal-acrylic resin prostheses...
April 3, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28358629/reconstruction-of-a-mandibular-segmental-defect-with-a-customized-3-dimensional-printed-titanium-prosthesis-in-a-cat-with-a-mandibular-osteosarcoma
#17
Julius M Liptak, Graham P Thatcher, Jonathan P Bray
CASE DESCRIPTION A 12-year-old neutered male domestic shorthair cat had been treated for a mass arising from the lingual aspect of the caudal right mandibular body. Cytoreductive surgery of the mass had been performed twice over a 2-year period, but the mass recurred following both surgeries. The mass was diagnosed as an osteosarcoma, and the cat was referred for further evaluation and treatment. CLINICAL FINDINGS Clinical findings were unremarkable, except for a 2-cm-diameter mass arising from the lingual aspect of the right mandible and mild anemia and lymphopenia...
April 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28355944/commissurorraphy-in-the-dog
#18
Corinne Durand
Commissurorraphy is a surgical procedure designed to move the lip commissure rostrally. This procedure may be helpful as a unilateral procedure in cases of unilateral mandibulectomy to support tongue function and improve esthetics. Bilateral commissurorraphy is utilized in cases of radical bilateral mandibulectomy and as a salvage procedure for support of bilateral mandibular fractures in cases where rigid surgical fixation is not feasible. Dehiscence is the most likely complication of commissurorraphy. Tension can be reduced at the rostral extent of the incision by utilizing mattress sutures, intravenous fluid tubing, and/or buttons to prevent tearing through sutures...
January 1, 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28351395/follicular-thyroid-carcinoma-metastasis-to-the-facial-skeleton-a-systematic-review
#19
Varun V Varadarajan, Elizabeth K Pace, Vatsal Patel, Raja Sawhney, Robert J Amdur, Peter T Dziegielewski
BACKGROUND: Follicular thyroid carcinoma (FTC) metastasis to the facial skeleton is exceedingly rare. A case of FTC metastasizing to the mandible is presented and a systematic review of the literature describing thyroid metastasis to the facial skeleton is performed. CASE PRESENTATION: A 73-year-old female presented with metastatic FTC to the mandible and underwent total thyroidectomy, segmental mandibulectomy, bone impacted fibular free flap reconstruction, and adjuvant radioactive iodine treatment...
March 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28303066/cervical-chyloma-after-neck-dissection-a-case-report
#20
Masashi Kimura, Hiroyuki Ohto, Akio Shibata, Hiroki Yamada, Shusuke Nishiwaki, Masahiro Umemura
Cervical chylomas are rare pseudocystic collections that lack an epithelial lining and arise from the thoracic duct or its tributaries; although they typically develop after neck surgery or trauma, they can arise from unknown causes. Treatment options include not only conservative therapy, such as dietary modification, repeated aspirations, and sclerotherapy, but also include surgical excision. We describe a case of a chyloma in a 64-year-old Japanese woman with squamous cell carcinoma of the gingiva. The chyloma developed following left segmental mandibulectomy with radical neck dissection and reconstruction, using a titanium plate and a pectoralis major myocutaneous flap...
February 2017: Nagoya Journal of Medical Science
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