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Maxillectomy

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https://www.readbyqxmd.com/read/27906054/is-radical-surgery-of-an-inverted-papilloma-of-the-maxillary-sinus-obsolete-a-case-report
#1
Vedat Yildirim, Niels Christian Pausch, Dirk Halama, Heinz-Theo Lübbers, Ayhan Yildirim
BACKGROUND: Sinonasal inverted papilloma is a locally aggressive tumor arising from the Schneiderian membrane which lines the nasal cavity and paranasal sinuses. Aggressive surgical approaches, such as lateral rhinotomy, were used until recently for complete removal of the inverted papilloma. Currently, endoscopic resection is the gold standard in the treatment of inverted papilloma. However, there are situations that justify an open approach. For example there are studies that report a higher postoperative recurrence rate after endonasal endoscopic resection, particularly in the treatment of recurrent diseases...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27902954/multi-recurrent-invasive-ameloblastoma-a-surgical-challenge
#2
Fatemah Faras, Fawaz Abo-Alhassan, Yona Israël, Barbara Hersant, Jean-Paul Meningaud
INTRODUCTION: Ameloblastomas are rare head and neck tumors, and yet the most common odontogenic neoplasms. They account for 1% and 11% of all head and neck and odontogenic tumors respectively. Embryologically, they originate from remnants of odontogenic epithelium. Their aggressive, destructive nature, as well as their anticipated high rate of recurrence, even after en bloc resection, poses a surgical predicament. PRESENTATION: We present a case of a 56 year-old Asian female with a multi-recurrent invasive ameloblastoma...
November 21, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27893562/clinical-evaluation-of-zygomatic-implant-supported-fixed-and-removable-prosthesis
#3
Belir Atalay, Özge Doğanay, Banu Karayazgan Saraçoğlu, Özgür Bultan, Günter Hafiz
The aim of our study was to present success and complication rates of 32 zygomatic implants (ZI) and compare satisfaction of patients rehabilitated with ZI supported hybrid prosthesis in atrophic jaws and removable prosthesis in maxillary defects. Sixteen patients who have been diagnosed as atrophic maxilla or maxillary defect were treated with ZI supported hybrid or removable prosthesis between 2008 and 2016 years, respectively. Thirty-two of 70 implants were placed in the zygomatic bone. Two prosthetic groups were compared 1 month after prosthesis delivery in terms of general satisfaction, stability, performance, esthetics, phonetics, hygiene level based on visual analog scale...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27891488/management-of-recurrent-odontogenic-myxoma-of-mandible-a-clinical-case-report
#4
Yogesh Mittal, Ankita Chugh, K George Varghese, Shailendra Dwivedi, Vidhi Goyal
Odontogenic Myxoma (OM) is a slow growing painless locally aggressive tumor seen in gnathic bones and is generally asymptomatic. OM is characterized by spindle, wedge or stellate shaped cells loosely arranged in an abundant mucoid stroma. It is found incidentally on radiographs and may vary from a unilocular radiolucency to a multilocular lesion with well-defined or diffuse margins. Treatment includes surgical management that may range from simple enucleation and curettage to surgical excision including peripheral osteotomy, segmental resection, hemimandibulectomy and maxillectomy...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27888912/extended-endoscopic-and-open-sinus-surgery-for-refractory-chronic-rhinosinusitis
#5
REVIEW
Jean Anderson Eloy, Emily Marchiano, Alejandro Vázquez
This review discusses extended endoscopic and open sinus surgery for refractory chronic rhinosinusitis. Extended maxillary sinus surgery including endoscopic maxillary mega-antrostomy, endoscopic modified medial maxillectomy, and inferior meatal antrostomy are described. Total/complete ethmoidectomy with mucosal stripping (nasalization) is discussed. Extended endoscopic sphenoid sinus procedures as well as their indications and potential risks are reviewed. Extended endoscopic frontal sinus procedures, such the modified Lothrop procedure, are described...
February 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27881314/orientation-of-handle-for-successful-prosthetic-treatment-in-patients-with-an-anatomic-compromise-after-a-maxillectomy
#6
Yuka I Sumita, Mariko Hattori, Mahmoud E Elbashti, Hisashi Taniguchi
This clinical technique provides a key procedure for successful prosthetic treatment in patients with an anatomical compromise after a maxillectomy. When making a preliminary impression, the clinician must keep the handle of the stock tray parallel to the patient's interpupillary line extraorally to maintain the correct position of the tray and to make a record of the inclination of the occlusal plane. This simple consideration during this first step of making a preliminary impression can be an important guide for both dentists and dental technicians...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27881311/a-photoelastic-and-strain-gauge-comparison-of-two-attachments-for-obturator-prostheses
#7
Marcelo Coelho Goiato, Henrique Rinaldi Matheus, Rodrigo Antonio de Medeiros, Daniela Micheline Dos Santos, Sandro Basso Bitencourt, Aldiéris Alves Pesqueira
STATEMENT OF PROBLEM: The rehabilitation of patients after a maxillectomy involves the use of an obturator to seal oral-nasal-sinus communication and to facilitate mastication, swallowing, and speech. PURPOSE: The purpose of this in vitro study was to evaluate different attachment systems used for implant-retained obturators at dissipation loads and under shear forces. MATERIAL AND METHODS: Photoelastic models were fabricated with 3 external hexagon implants at the incisor, canine, and first molar regions...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27879602/health-related-quality-of-life-following-reconstruction-for-common-head-and-neck-surgical-defects
#8
Wess A Cohen, Claudia R Albornoz, Peter G Cordeiro, Jennifer Cracchiolo, Elizabeth Encarnacion, Meghan Lee, Michele Cavalli, Snehal Patel, Andrea L Pusic, Evan Matros
BACKGROUND: Improved understanding and management of health-related quality of life represents one of the greatest unmet needs for patients with head and neck malignancies. The purpose of this study was to prospectively measure health-related quality of life associated with different anatomical (head and neck) surgical resections. METHODS: A prospective analysis of health-related quality of life was performed in patients undergoing surgical resection with flap reconstruction for stage II or III head and neck malignancies...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27871286/maxillary-calcifying-epithelial-odontogenic-tumor-with-sinus-and-buccal-vestibule-extension-a-case-report-and-immunohistochemical-study
#9
Cristina Munteanu, Daniel Pirici, Alex Emilian Stepan, Adrian Camen, Claudiu Margaritescu
BACKGROUND: Calcifying epithelial odontogenic tumor (CEOT) is a rare benign neoplasia, locally aggressive, that tends to invade bone and adjacent soft tissues. This case report describes the thirteenth known case of CEOT with maxillary sinus extension and the second one that also involves the buccal vestibule mucosa with peculiar histopathological and immunohistochemical data. CASE PRESENTATION: Here we report the case of a 45-year-old female with a CEOT diagnosed and treated at the Oral & Maxillofacial Surgery Department, County Clinical Emergency Hospital of Craiova, Romania...
November 21, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27863860/orofacial-rehabilitation-with-zygomatic-implants-cad-cam-bar-and-magnets-for-patients-with-nasal-cancer-after-rhinectomy-and-partial-maxillectomy
#10
Elizabeth King, Carl Abbott, Lawrence Dovgalski, James Owens
Nasal carcinoma extending into the premaxilla requires radical surgical excision including rhinectomy and partial maxillectomy. Rehabilitation is complex and involves the use of removable prostheses. Three patients treated with zygomatic implants and custom-milled bars to retain an obturator and nasal prosthesis are presented.
November 15, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27847741/retiform-hemangioendothelioma-in-the-infratemporal-fossa-and-buccal-area-a-case-report-and-literature-review
#11
Il-Kyu Kim, Hyun-Young Cho, Bum-Sang Jung, Sang-Pill Pae, Hyun-Woo Cho, Ji-Hoon Seo, Seung-Hoon Park
We report a case of retiform hemangioendothelioma (RH) located in the infratemporal fossa and buccal area in a 13-year-old Korean boy. The tumor originated from the sphenoid bone of the infratemporal fossa area and spread into the cavernous sinus, orbital apex, and retro-nasal area with bone destruction of the pterygoid process. Tumor resection was conducted via Le Fort I osteotomy and partial maxillectomy to approach the infratemporal fossa and retro-nasal area. The diagnosis of RH was confirmed after surgery...
October 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/27844224/minimally-invasive-medial-maxillectomy-and-the-position-of-nasolacrimal-duct-the-ct-study
#12
Andrzej Sieskiewicz, Krzysztof Buczko, Jacek Janica, Adam Lukasiewicz, Urszula Lebkowska, Bartosz Piszczatowski, Ewa Olszewska
Several minimally invasive modifications of endoscopic medial maxillectomy have been proposed recently, with the least traumatic techniques utilizing the lacrimal recess as a route to enter the sinus. The aim of the study was to analyze the anatomy of medial maxillary wall in the region of nasolacrimal canal and, thus, to determine the capability of performing minimally invasive approach to the maxillary sinus leading through the lacrimal recess. The course of nasolacrimal canal and the distance between the anterior maxillary wall and the nasolacrimal canal (the width of lacrimal recess) were evaluated in 125 randomly selected computed tomography (CT) head examinations...
November 14, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27836097/oral-melanoma-relevance-to-the-dental-team-members
#13
Yeshwant B Rawal, Thomas B Dodson, Harbinder S Bal
BACKGROUND AND OVERVIEW: Oral melanomas vary in color and morphology and resemble myriad other reactive, benign, or malignant conditions. The authors describe a case report of a patient with a primary oral melanoma that presented as a nonspecific ulcer, which showed nodal metastasis during resection. CASE DESCRIPTION: A 64-year-old man who was examined by his periodontist to assess implant healing had a reddish-purple ulcer of the maxillary mucosa of 3 to 4 weeks duration...
November 8, 2016: Journal of the American Dental Association
https://www.readbyqxmd.com/read/27826392/prosthetic-reconstruction-with-an-obturator-using-swing-lock-attachment-for-a-patient-underwent-maxillectomy-a-clinical-report
#14
Dong-Jae Seong, Seoung-Jin Hong, Seung-Ryong Ha, Young-Gi Hong, Hyo-Won Kim
Patients who underwent resection of maxilla due to benign or malignant tumor, or accident will have defect in palatal area. They get retention, support and stability from remaining tissues which are hardly optimal. The advantage of swing-lock attachment design is having multiple contacts on labial and lingual side of the abutment teeth by retentive strut and palatal bracing component. Because the force is distributed equally to abutment teeth, abutment teeth of poor prognosis can be benefited from it. It is also more advantageous to cover soft tissue defects which are hard to reach with conventional prosthesis...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27824974/association-between-masticatory-function-and-oral-health-related-quality-of-life-in-partial-maxillectomy-patients
#15
Mohamed Moustafa Said, Takafumi Otomaru, Yiliyaer Aimaijiang, Na Li, Hisashi Taniguchi
PURPOSE: The aim of this study was to investigate associations between objectively and subjectively measured masticatory function and oral health-related quality of life (OHRQoL) in partial maxillectomy patients wearing dentomaxillary prostheses. MATERIALS AND METHODS: A sample of 32 consecutively treated patients who had undergone a partial maxillectomy were enrolled. Masticatory function was assessed using two objective measures and one subjective measure. The objective measures were masticatory performance (MP), which was estimated by measuring the glucose extracted from gummy jelly, and food mixing ability (a*), which was assessed using color-changeable chewing gum...
November 2016: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/27793460/the-use-of-the-submental-island-flap-in-reconstructing-palatal-and-facial-defects-in-a-surgical-camp-in-east-africa
#16
Kate Clancy, Camille Huwyler, Shawn Li, Jeffrey Otiti, Chad A Zender
BACKGROUND: The goals of successful reconstructive surgery are to restore function and cosmesis; however, limitation of resources can become an important consideration in low-middle income countries. METHODS: We describe our experience using the submental island flap in two cases during a short-term surgical camp in East Africa. RESULTS: The submental island flap was utilized as an excellent alternative to a free flap to reconstruct a subtotal maxillectomy and a parotidectomy defect in two patients...
September 28, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27792826/cervical-metastasis-in-squamous-cell-carcinoma-of-the-hard-palate-and-maxillary-alveolus
#17
Yekaterina Koshkareva, Jeffrey C Liu, Miriam Lango, Thomas Galloway, John P Gaughan, John A Ridge
We conducted a retrospective study to determine the incidence and treatment outcomes of neck metastases in patients with squamous cell carcinoma (SCC) of the hard palate and/or maxillary alveolus after surgical excision of the primary tumor. We also sought to identify any risk factors for recurrence. Our study population was made up of 20 patients-9 men and 11 women, aged 46 to 88 years (mean: 72.6)-who had undergone excision of an SCC of the hard palate and/or maxillary alveolus at a tertiary care cancer center over a 7-year period...
October 2016: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/27788172/retrospective-review-of-the-anaesthetic-management-of-maxillectomies-and-mandibulectomies-for-benign-tumours-in-sub-saharan-africa
#18
Michelle C White, Katherine C Horner, Peggy S Lai
BACKGROUND: Safe anaesthesia is a crucial component of safe surgical care, yet anaesthetic complications are common in resource-limited settings. We describe differences in anaesthetic needs for Mandibulectomy vs. Maxillectomy in three sub-Saharan African countries. MATERIALS AND METHODS: Retrospective review of patients undergoing minor Mandibulectomy, major Mandibulectomy, or Maxillectomy in Togo, Guinea and Republic of the Congo. Surgeries were performed on the Africa Mercy, an international non-governmental hospital ship...
2016: PloS One
https://www.readbyqxmd.com/read/27766196/a-case-of-rhino-orbital-mucormycosis-in-diabetes-with-haematogenous-cerebral-spread
#19
Jennifer Snaith, Kharis Burns, Jen Kok, Sharon Chen, N Wah Cheung
We document the first case of haematogenous cerebral spread in Rhizopus arrhizus rhino-orbital mucormycosis, and of posaconazole related adrenal insufficiency. A patient presenting with diabetic ketoacidosis and sinusitis was treated with right medial maxillectomy, ethmoidectomy and IV liposomal amphotericin. Orbital exenteration was performed after intraorbital spread of infection. IV caspofungin and posaconazole was added but complicated by adrenal insufficiency. MRI revealed a new left lentiform nucleus and thalamus rim-enhancing lesion indicating haematogenous cerebral spread...
September 2016: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/27759845/post-operative-hemimaxillectomy-rehabilitation-using-prostheses-supported-by-zygoma-implants-and-remaining-natural-teeth
#20
Xing Zhou Qu, Ming Yi Wang, Hui Shan Ong, Chen Ping Zhang
OBJECTIVES: This study aimed to evaluate the stability of prostheses supported by zygoma implants and remaining teeth for subjects who had undergone hemi-maxillectomy. METHODS: Ten patients were included in the study. Oral rehabilitation was performed using a temporary prosthesis that was supported by remaining teeth for the first three months. Then, a zygoma implant was placed to provide support for a final prosthesis in addition to the remaining teeth. Each prosthesis was tailor-made according to biomechanical three-dimensional finite element analysis results...
October 1, 2016: Clinics
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