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Mandibular pathology

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https://www.readbyqxmd.com/read/29338280/variable-skeletal-anatomical-features-of-acromegaly-in-the-skull-and-craniocervical-junction
#1
Maria Piagkou, Othon Manolakos, Theodore Troupis, Nikolaos Lazaridis, Konstantinos Laios, Alexandros Samolis, Konstantinos Natsis
OBJECTIVE: This study adds important information regarding the morphological alterations caused by growth hormone hypersecretion in the skull and craniocervical junction (CCJ). A variably asymmetric skull due to acromegaly coexists with expansion of the paranasal sinuses and multiple Wormian bones. CASE REPORT: A pathologically asymmetric dry skull of a European male, aged 38 years at death, with cranial vault and skull base thickening is described. The extensive paranasal sinus pneumatization caused a generalized thinning of the bony walls...
November 2017: Acta Medica Academica
https://www.readbyqxmd.com/read/29310888/secondary-hyperparathyroidism-causing-increased-jaw-bone-density-and-mandibular-pain-a-case-report
#2
Thomas Aerden, Koenraad Grisar, Margaux Nys, Constantinus Politis
We present the case of a 32-year-old male patient complaining of recurrent mandibular pain for 3.5 years. Panoramic radiography indicated increased cortical density of the mandibular lower border. Scintigraphy and single-photon emission computed tomography revealed metabolic hyperactivity in that region without pathologic lymph nodes. A bone biopsy specimen of the mandibular lower border did not have inflammation or cytologic atypia. Endocrinologic investigation confirmed secondary hyperparathyroidism as a result of hypovitaminosis D...
December 7, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29285333/obstructive-site-localization-in-patients-with-obstructive-sleep-apnea-syndrome-a-comparison-between-otolaryngologic-data-and-cephalometric-values
#3
D DI Venere, M Corsalini, G M Nardi, A Laforgia, F R Grassi, B Rapone, F Pettini
Purpose: Obstructive Sleep Apnea Syndrome (OSAS) is a respiratory disorder characterized by repeated obstructive episodes affecting upper airways.This study aims at examining the anatomical craniofacial and pharyngeal characteristics of the patient as to identify the obstructive site which triggers the pathologic process.Correlations between otolaryngologic data observed in the patient and the cephalometric ones for the identification of the obstructive site were also highlighted. Materials and methods: We worked on a sample of 16 patients, 12 males and 4 females, attended to at the Otolaryngology Operative Unit of Bari University Hospital...
July 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29283937/piezosurgery-for-treatment-of-large-recurrent-mandibular-osteoma
#4
Josué Hernando, Antonio Aguilar-Salvatierra, Ignacio Osoitz Leizaola-Cardesa, Pedro Martínez Seijas, Pablo Aguirre-Echebarria, Javier Martín, Gerardo Gómez-Moreno
BACKGROUND: Osteomas are infrequent benign bone tumors of uncertain etiology. They are usually situated at extremities and their occurrence in the jaws is relatively rare. There are 3 types of osteoma: central, peripheral, and extraskeletal. Preoperative presumptive diagnosis is performed by means of radiography using orthopantomographs, computerized tomographs, or cone beam scans. Treatment is surgical and consists of careful exeresis and curettage of the adjacent tissue. In recent years, piezoelectric surgery has been used to treat bone pathologies in the maxillofacial area, orthopedic surgery, and neurosurgery...
December 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29274951/correlation-between-the-posterior-mandibular-width-and-the-lingual-gap-caused-by-symphyseal-fractures-using-a-virtual-model
#5
Christian Pedemonte Trewhela, Andrea Carmona Avendaño, Edgardo González Mora, Ilich Vargas Farren, Francisco Lopetegui Caceres, Erick Rojas Quiroz
PURPOSE: The objective was to determine the dimensional impact, on the occlusal and articular level, of the gap produced in the lingual plate from symphyseal fractures, correlated with the dimensional change in the posterior mandibular width. MATERIALS AND METHODS: We performed an observational experimental study based on 30 computed tomography scans of patients treated by the Maxillofacial Surgery Service, Hospital Clínico Mutual de Seguridad, Santiago, Chile, between 2012 and 2016...
December 7, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29229002/comprehensive-analysis-of-ectopic-mandibular-third-molar-a-rare-clinical-entity-revisited
#6
Yaping Wu, Yue Song, Rong Huang, Jiaan Hu, Xiaotong He, Yanling Wang, Guangchao Zhou, Chao Sun, Hongbing Jiang, Jie Cheng, Dongmiao Wang
BACKGROUND: Ectopic mandibular third molar is a rare clinical entity with incompletely known etiology. Here, we sought to delineate its epidemiological, clinical and radiographic characteristics, and therapy by integrating and analyzing the cases treated in our institution together with previously reported cases. METHOD: A new definition and classification for ectopic mandibular third molar was proposed based on its anatomic location on panoramic images. Thirty-eight ectopic mandibular third molars in 37 patients and 51 teeth in 49 patients were identified in our disease registry and from literature (1990-2016), respectively...
December 11, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29227794/does-different-mandibulectomy-marginal-vs-segmental-affect-the-prognosis-in-patients-with-oral-squamous-cell-carcinoma
#7
Yu Qiu, Lisong Lin, Bin Shi, Xiaofeng Zhu
PURPOSE: It is unclear whether different mandibular surgical methods affect the prognosis of patients with oral squamous cell carcinoma (OSCC). Accordingly, the authors retrospectively compared the prognosis of patients who underwent marginal mandibulectomy (MG) or segmental mandibulectomy (SG) for OSCC and aimed to determine the factors influencing prognosis. MATERIALS AND METHODS: The authors conducted a retrospective cohort study of 82 patients with OSCC who underwent mandibulectomy at their hospital from January 2001 through January 2015...
November 21, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29227455/electrophysiological-evaluation-of-the-facial-muscles-in-congenital-unilateral-lower-lip-palsy
#8
Shintaro Baba, Kenji Kondo, Tatsuya Yamasoba
OBJECTIVES: Congenital unilateral lower lip palsy (CULLP) is a congenital facial asymmetry in which one corner of the mouth does not dip downward symmetrically (Kobayashi, 1979). We analyzed the electrophysiological findings in cases of CULLP to understand the facial nerve mechanisms underlying this pathological condition. METHODS: The electrophysiological findings in 20 patients with CULLP including an electroneuronography (ENoG) of the orbicularis oris muscle, nerve excitability test (NET) results, and the blink reflex (BR) were analyzed...
January 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29215444/mandibular-reconstruction-by-osteogenic-distraction-due-to-two-different-injuries
#9
Guilherme Dos Santos Trento, José Maurício Dos Santos Nunes Reis, Eduardo Hochuli-Vieira, Valfrido Antônio Pereira-Filho
Varied factors, whether intrinsic or extrinsic, may lead to a decrease in the bone volume of the jaws. Trauma and pathology can be listed as examples of such factors. The aim of this study is to present the osteogenic distraction technique as alternative to augmentation of low mandibular bone volume caused by different etiologies. The first case reports a mandibular marginal resection of ameloblastoma and the second one reports a male patient presenting mandibular fracture sequelae. Both cases were treated according to the osteogenic distraction technique...
December 6, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29197892/relapse-of-b-cell-acute-lymphoblastic-leukaemia-presenting-as-right-aural-polyp-with-facial-and-mandibular-nerves-palsy
#10
C Shiun Chuen, M K Md Daud, N A Che Jalil, H Hazmi
A patient presenting with an ear polyp is a common finding in otorhinolaryngology practice. The common causes include chronic otitis media and cholesteatoma. We report an adult female patient with a history of acute leukaemia presenting with chronic otitis media symptoms and right ear polyp. She was subsequently diagnosed as relapse of B-cell acute lymphoblastic leukaemia based on histopathological examination. The presentation may be similar to an inflammatory pathology of the middle ear, making it misleading...
October 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/29184632/deep-neck-infection-after-third-molar-extraction-a-case-report
#11
Alberto Ferreira da Silva Junior, Gustavo Silvestre de Magalhaes Rocha, Camila Fialho da Silva Neves de Araujo, Ademir Franco, Rhonan Ferreira Silva
Deep neck infections are associated with high morbidity rates in dentistry. Early diagnosis and intervention play an essential part in decreasing morbidity rates. The present study aims to report a case of odontogenic deep neck infection after third molar extraction. A 51-year-old male patient underwent extraction of the mandibular right third molar. Seven days later, the patient developed symptoms and signs of progressive infection. Laboratorial and radiologic examinations in association with clinical investigations confirmed deep neck infection...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/29184599/-lipoma-of-the-deep-lobe-of-the-parotid-gland
#12
Hicham Attifi, Mehdi Lagtoubi
Lipomas of the parotid gland are benign tumors developing from the fatty tissue in the gland. They are rare, accounting for 0.6-4.4% of all benign tumors. Those located in the deep lobe of the gland are uncommon. Clinically, they are very difficult to diagnose. CT scan and especially MRI can support the diagnosis. Surgery is the treatment of choice but its modalities remain controversial. We report the case of a 52-year old female patient, with no particular past medical history, presenting with asymptomatic left preauricular mass evolving over 1 year and gradually increasing in volume...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29170176/rare-presentation-of-cementoblastoma-associated-with-the-deciduous-maxillary-second-molar
#13
Shruti Nagvekar, Shaheen Syed, Anita Spadigam, Anita Dhupar
Cementoblastoma is a benign odontogenic neoplasm accounting for less than 0.69%-8% of all odontogenic tumours and is characterised by the presence of sheets of cementum-like tissue demonstrating large number of reversal lines. It shows an unlimited growth potential and a recurrence rate as high as 37.1%. It most commonly affects the permanent mandibular molars. This paper presents the third reported case of cementoblastoma affecting the deciduous maxillary posterior dentition. A 12-year-old male patient reported to the Department of Oral and Maxillofacial Pathology with a chief complaint of pain and swelling in relation to the deciduous maxillary left second molar...
November 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29167684/demographic-profile-of-non-odontogenic-jaw-lesions-in-an-iranian-population-a-30-year-archive-review
#14
Fereshteh Baghai Naini, Pouyan Aminishakib, Maedeh Ghorbanpour, Mohammad Mehdi Vakili, Mohammad Javad Kharazifard
Objectives: The frequency of non-odontogenic lesions of the jawbones is lower than that of odontogenic lesions; however, study of the epidemiologic data of these lesions is required for health care programs. This study aimed to assess the relative frequency and demographic profile of non-odontogenic jaw lesions in an Iranian population over a 30-year period. Materials and Methods: This archive review was performed using demographic and biopsy information of all patients with non-odontogenic lesions of the jawbones submitted to the Oral Pathology Department of Dental School of Tehran University of Medical Sciences from 1984 to 2014...
May 2017: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/29157168/burkitt-non-hodgkin-lymphoma-presenting-with-mental-neuropathy-numb-chin-syndrome-in-an-hiv-positive-patient
#15
N Vora, H Haryee, J C Dickson, R F Miller
Mental nerve neuropathy is usually due to local trauma or dental causes, but may be a manifestation of malignancy. A patient with virologically controlled human immunodeficiency virus (HIV) infection presented with a 'numb chin' on the background of long-standing night sweats, malaise and weight loss, worsening respiratory symptoms, and lymphadenopathy. Burkitt non-Hodgkin lymphoma was diagnosed from histology of a lymph node. Imaging (magnetic resonance imaging and 18fluorodeoxyglucose [FDG]-positron emission tomography-computed tomography [PET-CT]) showed abnormal intracranial enhancement of the right mandibular nerve and extensive 18FDG-avid lymphadenopathy above and below the diaphragm, focal lesions in the spleen and within the right mandible...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29147823/primary-peri-implant-oral-intra-epithelial-neoplasia-carcinoma-in-situ-a-case-report-considering-risk-factors-for-carcinogenesis
#16
Makoto Noguchi, Hiroaki Tsuno, Risa Ishizaka, Kumiko Fujiwara, Shuichi Imaue, Kei Tomihara, Takashi Minamisaka
BACKGROUND: Major risk factors for oral squamous cell carcinoma (SCC) are tobacco smoking, a betel quid chewing habit, and heavy alcohol consumption. However, around 15% of oral SCCs cannot be explained by these risk factors. Although oral SCC associated with dental implants is quite rare, there has been a recent gradual accumulation of reports about it. Here, we report a case of primary peri-implant oral intra-epithelial neoplasia/carcinoma in situ (OIN/CIS) in a woman without the major risk factors for oral SCC...
November 16, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29132383/an-unusually-large-osteochondroma-of-the-mandibular-angle-a-case-report
#17
Ryosuke Abe, Ikuya Miyamoto, Hirotaka Sato, Daishi Saitou, Genki Yamaya, Hiroyuki Yamada
BACKGROUND: Osteochondroma is a benign bone tumor that can occur in both the mesenchymal and craniofacial bones. However, craniofacial osteochondromas are extremely rare, because the mandible develops by intramembranous ossification rather than by endochondral ossification. CASE PRESENTATION: The most common site of craniofacial osteochondroma is the mandibular condyle, followed by the coronoid process. In the present study, we have described the case of a 64-year-old Japanese man with an unusually large osteochondroma located on the internal angle of the mandibular body...
November 13, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29125402/adolescent-internal-condylar-resorption-aicr-of-the-temporomandibular-joint-part-1-a-review-for-diagnosis-and-treatment-considerations
#18
Larry M Wolford, Aluisio Galiano
Background Adolescent internal condylar resorption (AICR) is a temporomandibular joint (TMJ) pathology that develops predominately in teenage females during pubertal growth (onset between ages 11 and 15 years), with a distinct clinical, radiographic, and magnetic resonance imaging (MRI) presentation. Clinical and imaging presentation The condition usually occurs bilaterally with: (1) Progressive retrusion of the mandible; (2) High occlusal plane angle facial morphology; (3) Worsening Class II occlusion; and (4) TMJ symptoms such as pain, headaches, noises, etc...
November 10, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29122502/clinical-and-pathologic-analyses-of-tuberculosis-in-the-oral-cavity-report-of-11-cases
#19
Wu-Tong Ju, Yong Fu, Ying Liu, Yi-Ran Tan, Min-Jun Dong, Li-Zhen Wang, Jiang Li, Lai-Ping Zhong
OBJECTIVE: The aim of this study was to analyze tuberculosis (TB) in the oral cavity according to clinical appearance, clinical differential diagnosis, treatment, and outcome. STUDY DESIGN: We enrolled 11 patients with TB in the oral cavity between November 2012 and November 2016. Glossal lymphoid TB was excluded. Clinical symptoms, auxiliary examinations, treatments, and outcomes were recorded and analyzed. RESULTS: The study population comprised 6 men and 5 women, with a mean age of 59 years...
September 28, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29109841/mandibular-reconstruction-with-lateral-tibial-bone-graft-an-excellent-option-for-oral-and-maxillofacial-surgery
#20
Ana Lucia Carpi Miceli, Livia Costa Pereira, Thiago da Silva Torres, Mônica Diuana Calasans-Maia, Rafael Seabra Louro
Autogenous bone grafts are the gold standard for reconstruction of atrophic jaws, pseudoarthroses, alveolar clefts, orthognathic surgery, mandibular discontinuity, and augmentation of sinus maxillary. Bone graft can be harvested from iliac bone, calvarium, tibial bone, rib, and intraoral bone. Proximal tibia is a common donor site with few reported problems compared with other sites. The aim of this study was to evaluate the use of proximal tibia as a donor area for maxillofacial reconstructions, focusing on quantifying the volume of cancellous graft harvested by a lateral approach and to assess the complications of this technique...
December 2017: Craniomaxillofacial Trauma & Reconstruction
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