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Maxillectomy

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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
#1
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...
February 24, 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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28229061/central-myxoma-myxofibroma-of-the-jaws-a-clinico-epidemiologic-review
#8
Agbara Rowland, Fomete Benjamin, Obiadazie Athanasius-Chukwudi, Omeje Uchenna-Kevin, Samaila Modupeola-Omotara
INTRODUCTION: Myxomas are a group of benign rare tumors of connective-tissue origin that occur in both hard (central) and soft tissues of the body. The aim of this study is to highlight our experience in the management of central myxoma of the jaw, with emphasis on its clinic-epidemiologic features as seen in our environment. MATERIALS AND METHODS: All patients who were managed for central myxoma of the jaw at the Oral and Maxillofacial Surgery department of a regional University Teaching Hospital between September 1997 and October 2015 were retrospectively studied...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28218034/extensive-maxillary-odontomas-in-2-dogs
#9
Naomi K Hoyer, Kristin M Bannon, Cynthia M Bell, Jason W Soukup
Two immature male dogs were presented for the treatment of extensive maxillary compound odontomas. In both cases, clinical evaluation and diagnostic imaging revealed extensive lesions invading and displacing anatomical structures of the maxilla. Histopathology confirmed the diagnoses in both cases. One dog was treated with partial rostral maxillectomy, and the other dog was treated with enucleation of the cystic lining and removal of tooth-like structures through a lateral rhinotomy utilizing an intraoral approach...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28216851/lost-wax-bolus-technique-to-process-closed-hollow-obturator-with-uniform-wall-thickness-using-single-flasking-procedure
#10
Pravinkumar G Patil, Smita Nimbalkar-Patil
INTRODUCTION: Maxillary obturator prosthesis is more frequent treatment modality than surgical reconstruction for maxillectomy in patients suffering from oral cancer. The obturators often become heavy and hence are hollowed out in the defect portion to reduce its weight as a standard practice. MATERIALS AND METHODS: The processing technique described the incorporation of the preshaped "wax-bolus" during packing procedure of the Obturtor prosthesis and eliminated later by melting it once the curing procedure is completed...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28210412/reconstruction-of-a-combined-maxillectomy-and-segmental-mandibulectomy-defect-in-a-seven-year-old-with-a-single-free-fibula-osteocutaneous-flap
#11
Shawn T Joseph, Krishnakumar Thankappan, Subramania Iyer
Combined upper alveolectomy and segmental mandibulectomy are complex defects. Reconstruction of these defects is usually suboptimal. We describe the case of a pediatric patient with vessel-depleted neck with recurrent vascular malformation involving the ramus and coronoid process of mandible and a previous history of maxillectomy and a reconstruction with anterolateral thigh flap. The patient underwent wide resection. The defects involving the upper alveolus and mandible were simultaneously reconstructed with a single free fibula flap...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28203499/sandwich-fascial-anterolateral-thigh-flap-in-head-and-neck-reconstruction-evolution-or-revolution
#12
Mario Cherubino, Jens Berli, Mario Turri-Zanoni, Paolo Battaglia, Francesca Maggiulli, Martina Corno, Federico Tamborini, Edoardo Montrasio, Paolo Castelnuovo, Luigi Valdatta
INTRODUCTION: The anterolateral thigh perforator flap (ALT) represents the workhorse for most reconstructive efforts in the head and neck regions. The main advantages of this flap are its versatility, the length of the pedicle, and the low morbidity of the donor site. The major drawback is the bulkiness of this flap with the frequent need for secondary revisions. To overcome this, we have developed a novel way to harvest and inset the ALT, called the sandwich fascial ALT flap (SALT). METHODS: All patients undergoing head and neck reconstruction using the SALT flap from January 2013 to March 2016 were included in this retrospective analysis...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28202996/-surgical-reconstruction-of-maxillary-defects-using-a-computer-assisted-techniques
#13
W B Zhang, Y Yu, Y Wang, X J Liu, C Mao, C B Guo, G Y Yu, X Peng
The maxilla is the most important bony support of the mid-face skeleton and is critical for both esthetics and function. Maxillary defects, resulting from tumor resection, can cause severe functional and cosmetic deformities. Furthermore, maxillary reconstruction presents a great challenge for oral and maxillofacial surgeons. Nowadays, vascularized composite bone flap transfer has been widely used for functional maxillary reconstruction. In the last decade, we have performed a comprehensive research on functional maxillary reconstruction with free fibula flap and reported excellent functional and acceptable esthetic results...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28176614/acanthomatous-ameloblastoma-with-atypical-foci-in-five-dogs
#14
Jennifer L Malmberg, Elizabeth W Howerth, Barb E Powers, Paula A Schaffer
Acanthomatous ameloblastoma is a common, locally invasive, nonmetastasizing tumor of the canine oral cavity. The long-term prognosis for canine acanthomatous ameloblastoma is good if complete excision can be achieved, usually by maxillectomy or mandibulectomy. A variant of acanthomatous ameloblastoma with atypical foci was noted in 5 dogs. There was no age, breed, or sex predisposition. Atypical cells were pleomorphic with a high mitotic rate. They were immunohistochemically negative for cytokeratin, vimentin, melan A, PNL2, CD3, Pax5, CD18, chromogranin A, and synaptophysin...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28162241/transfacial-and-craniofacial-approaches-for-resection-of-sinonasal-and-ventral-skull-base-malignancies
#15
REVIEW
Elizabeth L Perkins, Bryan M Brandon, Satyan B Sreenath, Dipan D Desai, Brian D Thorp, Charles S Ebert, Adam M Zanation
Malignancies of the paranasal sinuses and ventral skull base present unique challenges to physicians. A transfacial or craniofacial approach allows for wide, possibly en bloc resection and is ideal for tumors that involve surrounding soft tissue, the palate, the orbit, anterolateral frontal sinus, and lateral dura. Transfacial approaches include a lateral rhinotomy often combined with a medial, subtotal, or total maxillectomy. Reconstruction is most commonly performed with a pericranial flap to separate the intranasal and intracranial compartments...
February 2, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28121882/pedicled-temporalis-muscle-flap-for-craniofacial-reconstruction-a-35-year-clinical-experience-with-366-flaps
#16
Stefano Spanio di Spilimbergo, Paolo Nordera, Samir Mardini, Giusy Castiglione, Harvey Chim, Vittore Pinna, Massimo Brunello, Claudio Cusino, Squaquara Roberto, Ugo Baciliero
BACKGROUND: In the past 130 years, the temporalis muscle flap has been used for a variety of different indications. In this age of microsurgery and perforator flaps, the temporalis muscle flap still has many useful applications for craniofacial reconstruction. METHODS: Three hundred sixty-six temporalis muscle flaps were performed in a single center between 1978 and 2012. The authors divided the cases into two series-before and after 1994-because, after 1994, they started to perform free flap reconstructions, and indications for reconstruction with a temporalis muscle flap were changed RESULTS:: In the series after 1994, flaps were most commonly used for reconstruction of defects in the maxilla, mandible, and oropharynx, in addition to facial reanimation and filling of orbital defects...
February 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28118198/microvascular-tissue-transfers-for-midfacial-and-anterior-cranial-base-reconstruction
#17
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...
January 23, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28115826/interactive-navigation-guided-ophthalmic-plastic-surgery-the-utility-of-3d-ct-dcg-guided-dacryolocalization-in-secondary-acquired-lacrimal-duct-obstructions
#18
Mohammad Javed Ali, Swati Singh, Milind N Naik, Swathi Kaliki, Tarjani Vivek Dave
AIM: The aim of this study was to report the preliminary experience with the techniques and utility of navigation-guided, 3D, computed tomography-dacryocystography (CT-DCG) in the management of secondary acquired lacrimal drainage obstructions. METHODS: Stereotactic surgeries using CT-DCG as the intraoperative image-guiding tool were performed in 3 patients. One patient had nasolacrimal duct obstruction (NLDO) following a complete maxillectomy for a sinus malignancy, and the other 2 had NLDO following extensive maxillofacial trauma...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28089334/masticatory-function-and-oral-health-related-quality-of-life-in%C3%A2-patients-after-partial-maxillectomies-with-closed-or%C3%A2-open%C3%A2-defects
#19
Mohamed M Said, Takafumi Otomaru, Yesiboli Yeerken, Hisashi Taniguchi
STATEMENT OF PROBLEM: The healing pattern after surgical resection of tumors of the oral cavity involving the maxilla may vary from one patient to another. The result may be open communication between the oral and nasal cavities (open defect) or complete oronasal separation after healing of the defect area (closed defect). PURPOSE: The purpose of this clinical study was to compare masticatory function and oral health-related quality of life (OHRQoL) between patients with closed and open defects who had undergone a partial maxillectomy and were wearing dentomaxillary prostheses...
January 12, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28061497/cerebellar-hemorrhage-due-to-a-direct-carotid-cavernous-fistula-after-surgery-for-maxillary-cancer
#20
Yoshinobu Kamio, Hisaya Hiramatsu, Mika Kamiya, Shuhei Yamashita, Hiroki Namba
Infratentorial cerebral hemorrhage due to a direct carotid-cavernous fistula (CCF) is very rare. To our knowledge, only four such cases have been reported. Cerebellar hemorrhage due to a direct CCF has not been reported. We describe a 63-year-old female who presented with reduced consciousness 3 days after undergoing a maxillectomy for maxillary cancer. Computed tomography showed a cerebellar hemorrhage. Magnetic resonance angiography showed a left-sided direct CCF draining into the left petrosal and cerebellar veins through the left superior petrosal sinus (SPS)...
January 1, 2017: Journal of Korean Neurosurgical Society
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