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Maxillectomy

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https://www.readbyqxmd.com/read/28603707/maxillary-resection-for-cancer-zygomatic-implants-insertion-and-palatal-repair-as-single-stage-procedure-report-of-three-cases
#1
Pietro Salvatori, Antonio Mincione, Lucio Rizzi, Fabrizio Costantini, Alessandro Bianchi, Emma Grecchi, Umberto Garagiola, Francesco Grecchi
BACKGROUND: Oronasal/antral communication, loss of teeth and/or tooth-supporting bone, and facial contour deformity may occur as a consequence of maxillectomy for cancer. As a result, speaking, chewing, swallowing, and appearance are variably affected. The restoration is focused on rebuilding the oronasal wall, using either flaps (local or free) for primary closure, either prosthetic obturator. Postoperative radiotherapy surely postpones every dental procedure aimed to set fixed devices, often makes it difficult and risky, even unfeasible...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28597806/sinonasal-organised-haematoma-clinical-features-and-successful-application-of-modified-transnasal-endoscopic-medial-maxillectomy
#2
M Suzuki, Y Nakamura, S Ozaki, M Yokota, S Murakami
OBJECTIVE: Although organised haematoma often induces bone thinning and destruction similar to malignant diseases, the aetiology of organised haematoma and the optimal treatment remain unclear. This paper presents the clinical features of individuals with organised haematoma, and describes cases in which a novel modified approach was successfully applied for resection of organised haematoma in the maxillary sinus. METHOD: Pre-operative examination data were evaluated retrospectively...
June 9, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28521351/the-endoscopic-endonasal-transmaxillary-approach-to-meckel-s-cave-through-the-inferior-orbital-fissure
#3
Xin Zhang, Halima Tabani, Ivan El-Sayed, Matthew Russell, Xuequan Feng, Arnau Benet
BACKGROUND: Surgical access to Meckel's Cave (MC) is challenging due to its deep location and surrounding important neurovascular structures. Currently existing endoscopic endonasal (EE) approaches require dissecting near the internal carotid artery (ICA) or require transposition of the pterygopalatine neurovascular bundle. OBJECTIVE: To describe a novel approach to access the anterolateral aspect of the MC using a minimally invasive EE route. METHODS: The EE transmaxillary transinferior orbital fissure approach was simulated in 10 specimens...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28485495/locoregional-recurrence-following-maxillectomy-implications-for-microvascular-reconstruction
#4
Ilya Likhterov, Michael A Fritz, Ivan H El-Sayed, Rahul Seth, Hani M Rayess, P Daniel Knott
OBJECTIVE: Reconstruction of maxillectomy defects offers potential quality-of-life improvement, although cavity coverage may impact surveillance of recurrent malignancy. We describe the pattern of postmaxillectomy locoregional recurrence. STUDY DESIGN: Retrospective review. METHODS: Patients from 2001 to 2011 at the University of California, San Francisco and the Cleveland Clinic. RESULTS: Among 75 patients with malignancy resulting in partial or total maxillectomy, 57 were treated with obturators and 18 underwent reconstructive surgery...
May 9, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28473930/full-mouth-reconstruction-of-a-skeletal-class-ii-division-1-patient-with-adenoid-cystic-carcinoma-using-an-interim-immediate-obturator-and-a-definitive-obturator
#5
Mehran Bahrami, Seyed Mehran Falahchai
A 61-year-old female patient with adenoid cystic carcinoma (ACC) of the right maxilla and Angle class II division 1 malocclusion had received a subtotal maxillectomy in right side and used a conventional clasp-retained obturator. After implants placement, a maxillary interim immediate obturator (IIO) and then a definitive obturator using six endosseous implants were fabricated. During one-year follow-up, the patient was completely satisfied. Ideally, after implants placement in edentulous patients suffering from hemimaxillectomy, an implant-supported obturator (ISO) is designed in order to prevent nasal reflux and to improve speech and swallowing...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28469829/combination-prosthetic-design-providing-a-superior-retention-for-mid-facial-defect-rehabilitation-a-case-report
#6
Supassra Nilanonth, Prana Shakya, Natdhanai Chotprasert, Theerathavaj Srithavaj
Large maxillofacial defects from malignant tumor treatment are rarely rehabilitated by surgical reconstruction alone. Ameloblastic carcinoma, a rare aggressive odontogenic malignant tumor, requires wide surgical excision to gain a tumor-free margin. In the post-surgical defect, prosthetic rehabilitation is the treatment of choice to restore function and esthetics. Moreover, an intra-oral prosthesis such as an obturator restores speech, mastication and deglutition. Retention of the obturator is a major problem while rehabilitating large defects...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28468144/microvascular-tissue-transfers-for-midfacial-and-anterior-cranial-base-reconstruction
#7
Ali Emre Aksu, Hakan Uzun, Ozan Bitik, Gökhan Tunçbilek, Tunç Şafak
Reconstruction of a midfacial defect can represent a difficult challenge for the plastic surgeon. Although many midfacial deformities have traumatic or congenital origins, the vast majority of head and neck defects occur after resection of malignant head and neck neoplasms. Autogenous reconstruction is now routinely performed for larger, complex defects resulting from surgical resection or trauma. In this study, the authors present 27 patients with midfacial defects reconstructed with free flaps. Twenty-two of the defects were created by surgical ablation of cancer (maxillectomy) and the others were traumatic...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28456369/effects-of-sociodemographic-treatment-variables-and-medical-characteristics-on-quality-of-life-of-patients-with-maxillectomy-restored-with-obturator-prostheses
#8
Ioli Ioanna Artopoulou, Evangelos C Karademas, Nikolaos Papadogeorgakis, Ioannis Papathanasiou, Gregory Polyzois
STATEMENT OF PROBLEM: Restoration of maxillary defects resulting from tumor ablative surgery presents a difficult challenge, with both functional and esthetic issues. Whether rehabilitation with an obturator prosthesis could significantly contribute to improved quality of life in patients with maxillary resection has been scarcely studied, with relatively small study samples. PURPOSE: The purpose of this survey study was to assess the overall functioning of the obturator prosthesis and the effect of specific sociodemographic, medical, and treatment variables on obturator functioning and quality of life in patients with maxillectomy...
April 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28453002/fabricating-a-maxillary-obturator-using-an-intraoral-digital-impression-a-case-history-report
#9
Jin-Hong Park, Ki-Sun Lee, Jeong-Yol Lee, Sang-Wan Shin
Digital impressions can be a useful option that reduces patient discomfort and simplifies clinical procedures such as accurate impression recordings. In this report, a patient with a partial maxillectomy was managed with a metal frame fabricated from a digital impression through an intraoral scanner. The final impression employed the altered cast technique for the fabrication of the obturator.
May 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28439572/long-term-clinical-and-radiologic-documentation-of-a-maxillary-odontogenic-myxoma-from-early-clinical-signs-to-implant-supported-prosthodontic-rehabilitation-case-report-and-review-of-the-literature
#10
Sebastian Berger, Paul Hakl, Marius Meier, Walter Sutter, Andrej M Kielbassa, Dritan Turhani
Odontogenic myxoma (OM) is a non-metastasizing neoplasm of mesenchymal origin, arising in the tooth-bearing areas of the jaws. When regarding the whole spectrum of differential diagnoses for osteolytic jaw lesions, OM constitutes a benign tumor rarely located in the maxilla. Radiographically, displacement of teeth and frequent involvement of the sinus will be found with advanced maxillary OM. The tumor can be removed by means of several techniques, ranging from conservative measures to extended surgical procedures that differ according to type of bone resection and reconstruction of the defect...
April 24, 2017: Quintessence International
https://www.readbyqxmd.com/read/28383117/an-alternative-prosthetic-approach-for-rehabilitation-of-two-edentulous-maxillectomy-patients-clinical-report
#11
Murat Yenisey, Şafak Külünk, Necati Kaleli
Obturator prosthesis is a common treatment method for maxillectomy patients for maintaining their oronasal separation and resuming their social lives. After tumor resection, the remaining anatomical structures have a significant effect on prosthesis retention. The present study describes the rehabilitation of two maxillectomy patients after cancer surgery using a prosthesis consisting of a denture and a special retentive obturator that is positioned in the anatomical undercuts of the nasal cavity. These patients have undergone total and subtotal maxillectomy surgery after the diagnosis of squamous cell carcinoma...
April 6, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28374054/-tuna-saving-endoscopic-medial-maxillectomy-a-surgical-technique-for-maxillary-inverted-papilloma
#12
Fabio Pagella, Alessandro Pusateri, Elina Matti, Irene Avato, Dario Zaccari, Enzo Emanuelli, Tiziana Volo, Diego Cazzador, Leonardo Citraro, Giampiero Ricci, Giovanni Leo Tomacelli
The maxillary sinus is the most common site of sinonasal inverted papilloma. Endoscopic sinus surgery, in particular endoscopic medial maxillectomy, is currently the gold standard for treatment of maxillary sinus papilloma. Although a common technique, complications such as stenosis of the lacrimal pathway and consequent development of epiphora are still possible. To avoid these problems, we propose a modification of this surgical technique that preserves the head of the inferior turbinate and the nasolacrimal duct...
April 3, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28349495/a-novel-report-on-the-use-of-an-oncology-zygomatic-implant-retained-maxillary-obturator-in-a-paediatric-patient
#13
Amit Dattani, David Richardson, Chris J Butterworth
This report details the use of zygomatic oncology osseointegrated implants to support and retain a maxillary obturator in a 13-year-old male patient who underwent a right-sided hemi-maxillectomy (Brown Class 2b) (Brown and Shaw, Lancet Oncol 11:1001-8, 2010) for a myxoid spindle cell carcinoma. At the time of maxillary resection, two zygomatic oncology implants were inserted into the right zygomatic body and subsequently utilised to provide in-defect support and retention for a bar-retained maxillary acrylic obturator prosthesis, which restored the patient's aesthetics and function to a very high level...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28320612/three-dimensional-image-fusion-of-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-and-contrast-enhanced-computed-tomography-for-computer-assisted-planning-of-maxillectomy-of-recurrent-maxillary-squamous-cell-carcinoma-and-defect-reconstruction
#14
Yao Yu, Wen-Bo Zhang, Xiao-Jing Liu, Chuan-Bin Guo, Guang-Yan Yu, Xin Peng
PURPOSE: The purpose of this study was to describe new technology assisted by 3-dimensional (3D) image fusion of (18)F-fluorodeoxyglucose (FDG)-positron emission tomography (PET)/computed tomography (CT) and contrast-enhanced CT (CECT) for computer planning of a maxillectomy of recurrent maxillary squamous cell carcinoma and defect reconstruction. MATERIALS AND METHODS: Treatment of recurrent maxillary squamous cell carcinoma usually includes tumor resection and free flap reconstruction...
June 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28302379/bilateral-sinonasal-extramedulary-plasmacytoma-treated-with-radiotherapy-and-a-medial-maxillectomy-with-a-denker-s-procedure
#15
Samuel N Helman, Peter Filip, Codrin Iacob, Patrick Colley
No abstract text is available yet for this article.
February 15, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28295338/modified-transnasal-endoscopic-medial-maxillectomy-through-prelacrimal-duct-approach
#16
Motohiko Suzuki, Yoshihisa Nakamura, Makoto Yokota, Shinya Ozaki, Shingo Murakami
OBJECTIVE: We previously reported a modified endoscopic medial maxillectomy (modified transnasal endoscopic medial maxillectomy through prelacrimal duct approach [MTEMMPDA]) to resect inverted papilloma (IP), for which the inferior turbinate (IT) and nasolacrimal duct (ND) can be preserved. MTEMMPDA is a safe and effective method to obtain wide, straight access to the maxillary sinus (MS). However, there are few reported cases of patients who underwent MTEMMPDA, and even fewer of patients who underwent partial osteotomy of the apertura piriformis and the anterior wall of the MS...
March 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28267823/feasibility-and-accuracy-of-digitizing-edentulous-maxillectomy-defects-a-comparative-study
#17
COMPARATIVE STUDY
Mahmoud E Elbashti, Mariko Hattori, Sebastian Bm Patzelt, Dirk Schulze, Yuka I Sumita, Hisashi Taniguchi
PURPOSE: The aim of this study was to evaluate the feasibility and accuracy of using an intraoral scanner to digitize edentulous maxillectomy defects. MATERIALS AND METHODS: A total of 20 maxillectomy models with two defect types were digitized using cone beam computed tomography. Conventional and digital impressions were made using silicone impression material and a laboratory optical scanner as well as a chairside intraoral scanner. The 3D datasets were analyzed using 3D evaluation software...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28267815/digital-design-and-fabrication-of-surgical-obturators-based-only-on-preoperative-computed-tomography-data
#18
Jeff Rodney, Ivan Chicchon
This article describes the digital fabrication of a surgical obturator (SO) using only computed tomography (CT) data from the tumor area. This procedure is a departure from the traditional method of making an impression and obtaining a patient cast prior to surgery to allow for SO fabrication. The present approach allows for a virtual resection based on the patient's CT image; the SO is digitally designed with animation software and fabricated by 3D printing. The SO is relined with a denture reliner at the time of surgery to complete the obturation of the maxillectomy defect...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28249653/management-of-the-clinically-node-negative-neck-in-squamous-cell-carcinoma-of-the-maxilla
#19
Michiel H M A Joosten, Remco de Bree, Ellen M Van Cann
OBJECTIVE: The management of the clinically node negative (N0) neck in patients with squamous cell carcinoma of the maxilla (MSCC) is a matter of debate. In this retrospective cohort study the incidence of occult metastases is determined in clinically N0 MSCCs, as well as histopathological factors associated with occult metastases. PATIENTS AND METHODS: 95 patients with clinically N0 MSCCs had maxillectomy. 18 patients with elective treatment of the neck were excluded...
March 2017: Oral Oncology
https://www.readbyqxmd.com/read/28238560/diagnostic-and-therapeutic-modalities-for-287-malignant-and-benign-salivary-tumors-a-cohort-study
#20
Yair Israel, Adi Rachmiel, Gil Ziv, Rafael Nagler
BACKGROUND: Salivary gland tumors (SGT's), 3-10% of head/neck tumors, exhibit a striking range of morphological diversity. This minimally symptomatic disease can be challenging to diagnose, and therapeutic policy is still controversial. METHODS: We compared benign and malignant cohorts according to diagnostic modality utilized and therapeutic modality administered over 20 years in a single medical center. RESULTS: Of 287 cases, 216 had benign tumors and 71 had malignant tumors...
January 25, 2017: Journal of Cranio-maxillo-facial Surgery
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