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https://www.readbyqxmd.com/read/27900244/ultrasound-evaluation-of-intra-osseous-cavity-a-preliminary-study-in-pig-mandibles
#1
Thásia L D Ferreira, Andre Luiz F Costa, Maria José A Tucunduva, Raul R Tucunduva-Neto, Elio H Shinohara, Cláudio F de Freitas
AIMS: To assess the role of ultrasonography as a possible tool for diagnosis of intra-osseous lesions. METHODS: Our sample comprised five macerated pig jaws. The regions of bony crypts of third molars were examined on both sides, totaling 10 examinations. The degrees of difficulty for both ultrasound image visualization and bone translucency were rated by two groups of evaluators (i.e. dental radiologists and physician ultrasonographers). RESULTS: Our results showed that it is possible to detect images of the intra-osseous cavity at a low-degree difficulty by using both radiographic and ultrasonic techniques (46...
November 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27891491/mri-in-dentistry-a-future-towards-radiation-free-imaging-systematic-review
#2
REVIEW
Lav Kumar Niraj, Basavaraj Patthi, Ashish Singla, Ritu Gupta, Irfan Ali, Kuldeep Dhama, Jishnu Krishna Kumar, Monika Prasad
INTRODUCTION: Magnetic Resonance Imaging (MRI), being a technique with huge potential, has become the primary diagnostic investigation for many clinical problems. Its application now has been successfully used in dentistry to maximize the diagnostic certainty. AIM: The present review aims to analyze the applicability, feasibility and efficacy of MRI in the field of dentistry. MATERIALS AND METHODS: A literature search was performed in main databases like Pub Med Central, Cochrane Library, Embase and Google Scholar from 1970 up to December 2015...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27882603/establishment-and-characterization-of-a-cell-population-derived-from-a-dentigerous-cyst
#3
Marcos A Muñiz-Lino, Mariana Rodríguez-Vázquez, Bibiana Chávez-Munguía, Josué Z Ortiz-García, Lorena González-López, Fidel C Hernández-Hernández, Carlos Licéaga-Escalera, Alejandro García-Muñoz, Mario A Rodríguez
BACKGROUND: Dentigerous cyst occurs in approximately 20% of jaw cysts, being the second major common odontogenic cyst, after radicular cyst. This oral lesion has the ability to destroy maxillary bones and could be the origin of several odontogenic tumors. However, molecules implicated in its pathogenesis as well as those involved in its neoplastic transformation remain unknown. Here, we established a cell population derived from a dentigerous cyst as an in vitro model for the study of this oral lesion...
November 24, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27857772/stafne-bone-cavity-with-ectopic-salivary-gland-tissue-in-the-anterior-of-mandible
#4
Parviz Deyhimi, Soheila Darisavi, Saeideh Khalesi
Stafne bone cavities (SBCs) are uncommon well-demarcated defects of the mandible, which often occur in the posterior portion of the jaw bone and are usually asymptomatic. Furthermore, SBC is found in men aged 50-70-year-old. Anterior mandibular variants of SBC are very rare. This article describes a case of anterior SBC in a 45-year-old man that resembled endodontic periapical lesions. Upon histopathological examination, it turned out to be a normal salivary gland tissue.
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27857042/odontogenic-keratocysts-in-the-basal-cell-nevus-gorlin-goltz-syndrome-associated-with-paresthesia-of-the-lower-jaw-case-report-retrospective-analysis-of-a-representative-czech-cohort-and-recommendations-for-the-early-diagnosis
#5
(no author information available yet)
OBJECTIVES: Identification of early presenting signs of the Basal Cell Nevus (BCNS; synonyme Gorlin-Goltz) syndrome, which is associated with a principal triad of multiple basal cell nevi, jaw odontogenic keratocysts, and skeletal anomalies, in stomatological and neurological practices. Proposal of multidisciplinary diagnostic algorithm comprising other medical specialists, including pathology, imaging, laboratory and molecular analyses based on the study outcomes. DESIGN: Case report of a male patient reporting paresthesia of their lower jaw, with right facial asymmetry (maxilla and mandible) and radiological detection of large osteolytic lesions in both jaws, including a retrospective analysis of a representative Czech cohort with BCNS from within the last decade...
September 18, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/27853088/disseminated-cryptococcosis-in-a-63-year-old-patient-with-multiple-sclerosis-treated-with-fingolimod
#6
Hiroyuki Seto, Mitsushige Nishimura, Katsuhiro Minamiji, Sonoko Miyoshi, Hiroyuki Mori, Kenji Kanazawa, Hisafumi Yasuda
We herein report the case of a 63-year-old man who presented with a 3-month history of a cutaneous nodular lesion of his jaw, low grade fever, lethargy and progressive cognitive impairment. He had a 30-year history of multiple sclerosis and had been treated with fingolimod for the previous 2 years. Laboratory data revealed CD4 lymphocytopenia and a tissue culture of the skin nodule was positive for Cryptococcus neoformans. Cerebrospinal fluid and serum cryptococcal antigen tests were also positive and we diagnosed him to have disseminated cryptococcosis...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27847742/conservative-approach-to-recurrent-calcifying-cystic-odontogenic-tumor-occupying-the-maxillary-sinus-a-case-report
#7
Yongsoo Kim, Bo Eun Choi, Seung-O Ko
Calcifying cystic odontogenic tumor (CCOT) is an uncommon benign cystic neoplasm of the jaw that develops from the odontogenic epithelium. Invasion into the maxillary sinus by a CCOT is not a typical, and the recurrence of the cystic variant of CCOT in the posterior maxilla is rare. This report describes a recurrent CCOT occupying most of the maxillary sinus of a 24-year-old male patient. As a treatment, marsupialization was carried out as a means of decompression, and the involved teeth were all endodontically treated...
October 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/27843453/medication-related-osteonecrosis-of-the-jaws-considerations-on-a-new-antiresorptive-therapy-denosumab-and-treatment-outcome-after-a-13-year-experience
#8
Gianfranco Favia, Angela Tempesta, Luisa Limongelli, Vito Crincoli, Eugenio Maiorano
Medication-related osteonecrosis of the jaw (MRONJ) is a serious complication in patients receiving antiresorptive therapies for bone neoplastic localizations and osteoporosis. The aim of this study was to evaluate the clinicopathological features of MRONJ in a cohort of patients treated by new antiresorptive drugs (denosumab) and the corresponding outcome after 13-year maximum follow-up. Overall, 244 patients affected by MRONJ were treated from 2003 to 2015. After clinical and radiological examinations, all lesions were staged according to a dimensional staging system and then surgically treated...
2016: International Journal of Dentistry
https://www.readbyqxmd.com/read/27842547/health-related-quality-of-life-in-patients-with-barrett-s-esophagus
#9
Chi-Yang Chang, Lukas Jyuhn-Hsiarn Lee, Jung-Der Wang, Ching-Tai Lee, Chi-Ming Tai, Tao-Qian Tang, Jaw-Town Lin
BACKGROUND: Gastroesophageal reflux disease (GERD) has become a major health problem globally, affecting patients' health-related quality of life (HRQOL). Barrett's esophagus (BE) is a precancerous lesion associated with GERD. BE patients might not only suffer from HRQOL losses by GERD but also face psychological distress due to the increased risk of developing cancer. However, the majority of patients in Asia have shorter BE segment which is different from the West. This study aimed to determine whether the HRQOL in BE patients were worse than in healthy referents in Taiwan...
November 14, 2016: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/27810194/-ectopic-craniopharyngioma-and-gardner-s-syndrome-case-report-and-literature-review
#10
Juan Antonio Álvarez Salgado, Francisco González-Llanos Fernández de Mesa, Jorge Javier Villaseñor Ledezma, Maria de Los Angeles Cañizares Méndez, Igor Paredes Sansinenea, Angel Rodríguez de Lope-Llorca, Manuela Mollejo Villanueva
INTRODUCTION: Craniopharyngioma accounts for around 3% of all primary tumours of the central nervous system. It is usually located in the suprasellar region, although it may also have an ectopic location. CASE REPORT: The case is presented on 29 year-old male who underwent surgery for a jaw osteoma when he was 19 years old and was subsequently diagnosed with Gardner's syndrome. He was admitted in our Hospital with right facial paresis and diplopia of one day onset...
October 31, 2016: Neurocirugía
https://www.readbyqxmd.com/read/27805877/a-recurrent-central-giant-cell-granuloma-in-a-young-patient-and-orthodontic-treatment-a-case-report
#11
Devaki Patel, Gursharan Minhas, Paul Johnson
Central giant cell granuloma (CGCG) is an uncommon benign intraosseous lesion of the jaw, found predominantly in children and young adults below 30 years of age. The purpose of this article was to present a summary of the current literature and a case report of an 11-year-old boy diagnosed with an aggressive CGCG involving the anterior maxilla that was removed in 2004 and subsequently recurred almost 3 years later in 2006. The presenting features of the patient and the effect of combined surgical and orthodontic treatment for this condition are discussed...
December 2016: Journal of Orthodontics
https://www.readbyqxmd.com/read/27800197/a-swelling-in-the-mouth-in-a-chronic-hemodialysis-patient
#12
Arnaud Devresse, Alexandros Raptis, Anne-Sophie Claes, Laura Labriola
Oral manifestations of severe secondary hyperparathyroidism include maxillary and mandibular deformities, brown tumors, dental abnormalities, and metastatic calcification of soft tissues. We report on a chronic hemodialysis (HD) woman with severe, uncontrolled secondary hyperparathyroidism and a painful, nontender mass in the floor of her mouth. The most likely clinical diagnosis was a bone tumoral lesion of the oral cavity, secondary to renal osteodystrophy. Unexpectedly, pathological examination showed characteristic features of ossifying fibroma (OF) of the jaw, a rare, benign fibroosseous lesion characterized by the replacement of normal bone by collagen and fibroblasts containing varying amounts of mineralized substance...
2016: Case Reports in Nephrology
https://www.readbyqxmd.com/read/27800193/bimaxillary-aneurismal-bone-cyst-in-patient-with-end-stage-renal-disease-and-hyperparathyroidism-a-rare-case-report-and-review-of-the-literature
#13
Sedigheh Bakhtiari, Mahin Bakhshi, Fatemeh Mashhadiabbas, Hasan Mir Mohammad Sadeghi, Zahra Elmi Rankohi, Somayeh Rahmani
Aneurismal bone cyst (ABC) is a rare bony lesion occurring predominantly in long bones. Its jaws' involvement is uncommon and the simultaneous involvement of both jaws is very rare. This report is about a 27-year-old female experiencing renal failure with ABC involving her maxilla and mandible. The progressive lesion was treated surgically and there was no recurrence after 18 months of follow-up.
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27799978/multifocal-central-giant-cell-granuloma-a-case-report
#14
Tamgadge Sandhya, Tamgadge Avinash, Dhauskar Snehal, Tiwari Neha, Mudaliar Uma
Central giant cell granuloma is a benign, aggressive neoplasm composed of multinucleated giant cells that almost exclusively occurs in the jaws though extra- gnathic incidence is rare. Multifocal CGCGs of the jaws are very rare and suggestive of systemic diseases such as hyperparathyroidism, an inherited syndrome such as Noonan- like multiple giant cell lesion syndrome or other disorders.Very few cases of multifocal CGCGs in the jaws without any concomitant systemic disease have been reported. This paper describes an unusual case reported to the Oral Surgery Department of Dr...
2016: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/27793851/central-odontogenic-fibromyxoma-of-mandible-an-aggressive-odontogenic-pathology
#15
Sumit Bahl, Godishala Swamy Sugunakar Raju, Gunjan Shah, Parvin Chandarana
Myxoma of the jaws which was first described by Thoma and Goldman in 1947 is a rare neoplasm and its rate of prevalence and incidence is not available. Myxoma term, according to 1992 WHO classification, is used along with odontogenic myxoma (OM) and myxofibroma. There are two forms of myxomas or fibromyxomas that are recognised in head and neck region: one is derived from the facial skeleton and the other is derived from the soft tissue. Most of the OM are located intraosseously, but peripheral ones are also recognised...
October 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27780691/regeneration-of-a-tooth-in-a-tissue-engineered-mandible-after-resection-of-a-central-giant-cell-tumor-demonstrating-evidence-of-functional-matrix-theory-and-ectodermal-origin-of-teeth-in-a-human-model-a-case-report
#16
James C Melville, Marcus A Couey, Matthew S Tong, Robert E Marx
Central giant cell tumors (CGCTs) are uncommon lesions occurring in the jaw. They are benign but locally destructive osteolytic lesions. They usually occur in pediatric patients 5 to 15 years of age. Multiple noninvasive modalities of treatment (intralesional steroids, interferon, calcitonin, and denosumab) have been described for those lesions, but for those that are refractory to treatment, enucleation and curettage or resection is a curative surgery. This case report describes a pediatric patient who was diagnosed with an aggressive CGCT of the left mandible encompassing the right angle to the condyle...
September 29, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27771838/central-xanthoma-of-the-jaw-bones-a-benign-tumor
#17
Yeshwant B Rawal, Srinivasa R Chandra, James M Hall
Extragnathic xanthomas are seen in the bones or as soft tissue masses. They are often associated with hyperlipidemia and are considered as reactive or metabolic lesions. Only 19 cases of xanthomas of the jaws have been reported so far in the English literature. A total of ten cases of central xanthoma of the jaw bones were identified from the Oral and Maxillofacial Pathology biopsy services of the University of Washington and the Tufts University School of Dental Medicine, between the years 2000-2016. The demographic and clinical information on these cases was tabulated logically on the basis of age, gender, location and presence or absence of symptoms, extragnathic lesions and serum hyperlipidemia...
October 22, 2016: Head and Neck Pathology
https://www.readbyqxmd.com/read/27771829/a-retrospective-study-of-osteomyelitis-and-osteonecrosis-of-the-jaws-and-its-etiologic-implication-of-bisphosphonate-in-asians
#18
Sung Ok Hong, Chae-Yoon Lee, Junho Jung, Deog-Yoon Kim, Christian Walter, Yong-Dae Kwon
OBJECTIVE: The objective of this study were to find the annual case trend of inflammatory jawbone diseases and to investigate the impact of medication-related osteonecrosis of the jaws (MRONJ). MATERIAL AND METHODS: A retrospective study of 372 patients diagnosed with inflammatory jawbone condition except for alveolar osteitis from 2007 to 2015 was initiated. History taking and investigation of etiologic factors MRONJ, osteoradionecrosis (ORN), odontogenic infection, foreign body, and trauma were investigated...
October 22, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27759689/complete-spontaneous-regression-of-merkel-cell-carcinoma-after-biopsy-a-case-report-and-review-of-the-literature
#19
Parnian Ahmadi Moghaddam, Kristine M Cornejo, Lloyd Hutchinson, Keith Tomaszewicz, Karen Dresser, April Deng, Patrick OʼDonnell
Merkel cell carcinoma (MCC) is a rare primary cutaneous neuroendocrine tumor that typically occurs on the head and neck of the elderly and follows an aggressive clinical course. Merkel cell polyomavirus (MCPyV) has been identified in up to 80% of cases and has been shown to participate in MCC tumorigenesis. Complete spontaneous regression of MCC has been rarely reported in the literature. We describe a case of a 79-year-old man that presented with a rapidly growing, 3-cm mass on the left jaw. An incisional biopsy revealed MCC...
November 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27756334/maxillary-unicystic-ameloblastoma-a-case-report
#20
Zana Agani, Vjosa Hamiti-Krasniqi, Jehona Recica, Mergime Prekazi Loxha, Fisnik Kurshumliu, Aida Rexhepi
BACKGROUND: Ameloblastoma is a benign epithelial odontogenic tumor. It is often aggressive and destructive, with the capacity to attain great size, erode bone and invade adjacent structures. Unicystic ameloblastoma is a rare odontogenic lesion, with clinical, radiographic and gross features of jaw cysts. The lesion histologically shows typical ameloblastomatous epithelium lining part of the cyst cavity with or without and/or mural tumor growth. Unicystic ameloblastoma usually presents in posterior mandibular ramus region, while it is rare and atypical in posterior maxillary region...
October 18, 2016: BMC Research Notes
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