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Odontogenic cyst

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https://www.readbyqxmd.com/read/28816191/histologic-variants-of-calcifying-odontogenic-cyst-a-study-of-52-cases
#1
Soussan Irani, Forough Foroughi
AIM: This study aimed at evaluating histological features of 52 cases of calcifying odontogenic cyst (COC), which is an uncommon benign odontogenic lesion. The World Health Organization (WHO) classified COC as a neoplasm and used the term calcifying cystic odontogenic tumor (CCOT) for benign cystic type and the dentinogenic ghost cell tumor (DGCT) for the benign solid-type lesions. There is no agreement regarding COC classification. MATERIALS AND METHODS: A total of 52 cases of COC were selected and reviewed from the archive of the Pathology Department of Taleghani Educational Hospital, Tehran, Iran...
August 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28809378/reduction-rate-by-decompression-as-a-treatment-of-odontogenic-cysts
#2
L Oliveros-Lopez, A Fernandez-Olavarria, D Torres-Lagares, M-A Serrera-Figallo, R Castillo-Oyagüe, J-J Segura-Egea, J-L Gutierrez-Perez
BACKGROUND: Odontogenic cysts are defined as those cysts that arise from odontogenic epithelium and occur in the tooth-bearing regions of the jaws. Cystectomy, marsupialization or decompression of odontogenic cyst are treatment approach to this pathology. The aim of this study was to evaluate the effectiveness of the decompression as the primary treatment of the cystic lesions of the jaws and them reduction rates involving different factors. MATERIAL AND METHODS: 23 patients with odontogenic cysts of the jaws, previously diagnosed by anatomical histopathology (follicular cysts (7) and radicular cysts (16)) underwent decompression as an initial treatment...
August 15, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28797453/oncogenic-signalling-pathways-in-benign-odontogenic-cysts-and-tumours
#3
REVIEW
Marina Gonçalves Diniz, Carolina Cavalieri Gomes, Sílvia Ferreira de Sousa, Guilherme Machado Xavier, Ricardo Santiago Gomez
The first step towards the prevention of cancer is to develop an in-depth understanding of tumourigenesis and the molecular basis of malignant transformation. What drives tumour initiation? Why do most benign tumours fail to metastasize? Oncogenic mutations, previously considered to be the hallmark drivers of cancers, are reported in benign cysts and tumours, including those that have an odontogenic origin. Despite the presence of such alterations, the vast majority of odontogenic lesions are benign and never progress to the stage of malignant transformation...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28791984/odontogenic-and-nonodontogenic-cysts-an-analysis-of-526-cases-in-turkey
#4
A Kilinc, B Gundogdu, N Saruhan, E Yalcin, U Ertas, G Urvasizoglu
PURPOSE: The aim of this study was to determine the age, gender, and sites of different types of odontogenic cysts (OCs) and non-OCs (nOCs) (seen in eastern Anatolian population in Turkey. MATERIALS AND METHODS: The following data were collected from the clinical records and histopathology reports of the Department of Oral and Maxillofacial Surgery and the Department of Oral Pathology, Ataturk University, Turkey, during a period of 10 years. They were analyzed descriptively in terms of incidence, age, sex, cyst type, and site...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28764980/20-year-follow-up-of-recurrent-glandular-odontogenic-cyst-mimicking-a-periapical-lesion
#5
Brunno Santos de Freitas Silva, Fernanda Paula Yamamoto-Silva, Marcondes Sena-Filho, Simone Sousa Silva Sant'Ana, Wilson José Mariano-Júnior, Oslei Paes de Almeida, Carlos Estrela
Periapical lesions usually are caused by root canal infection; nevertheless, other pathologies may eventually involve the tooth apex, making the correct diagnosis more difficult. Glandular odontogenic cysts (GOCs) are uncommon and, despite their cystic nature, may present an aggressive behavior and a high recurrence rate. This report describes a recurrent GOC mimicking a periapical lesion that was followed up for 20 years. A 45-year-old woman described tooth discomfort for several years in the anterior region of the mandible that was not exacerbated during eating or occlusion...
July 29, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28762440/the-use-of-oral-and-maxillofacial-pathology-services-by-general-pathologists-and-their-attitude-towards-it-in-saudi-arabia
#6
Nada O Binmadi, Soulafa A Almazrooa
To investigate the awareness and usage of oral and maxillofacial pathology (OMFP)  subspecialty services among pathologists in Saudi Arabia. Methods: In this cross-sectional study, we conducted an electronic questionnaire survey of pathologists in all regions of Saudi Arabia. The study was conducted between July 2015 and August 2016.  The questionnaire comprised 19 questions to evaluate the knowledge of pathologists regarding microscopic OMFP and their perceptions towards this subspecialty. Results: Most of the pathologists surveyed (94...
August 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28762355/bismuth-subnitrate-iodoform-parafin-paste-used-in-the-management-of-inflammatory-follicular-cyst-report-of-two-cases
#7
Abdul Morawala, Dayanand Shirol, Yusuf Chunawala, Nupur Kanchan, Mayuri Kale
Dentigerous cyst or follicular cyst is a type of odontogenic cyst which encloses the crown of an unerupted tooth and is attached to the amelocemental junction and is the second most common odontogenic cyst contributing about 16.6% to 21.3% of all odontogenic cysts. Occurrence of Dentigerous cysts according to Shear is usually in 3rd and 4th decade in contrast to this finding Shibata et al showed that the age of discovery of the dentigerous cyst was generally 9-11 years. The treatment indicated for dentigerous cysts are surgical enucleation of the cyst, along with removal of the involved tooth; or the use of a marsupialization technique, which removes the cyst while preserving the developing tooth...
July 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28761644/an-extensive-swelling-in-the-anterior-mandible-a-case-report
#8
Nikhil M Kurien, L K Surej Kumar, P B Uma, V Vivek, Anna P Joseph
INTRODUCTION: Glandular odontogenic cyst is a rare developmental odontogenic cyst, which often pose a challenge to diagnose it clinically. PRESENTATION OF A CASE: A 32 year old female patient was referred to the oral and maxillofacial surgery department with a chief complaint of a painless swelling in the anterior mandible, extending from mandibular left premolar to right first molar region, with fluctuancy and egg shell crackling at right premolar region. The associated teeth were firm...
September 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28744957/glandular-odontogenic-cyst-an-updated-analysis-of-169-cases-reported-in-the-literature
#9
REVIEW
Bruno Ramos Chrcanovic, Ricardo Santiago Gomez
OBJECTIVE: To integrate the available data published on glandular odontogenic cyst (GOC) into a comprehensive analysis of its clinical/radiologic and histopathological features. METHODS: An electronic search was undertaken in May/2017. Eligibility criteria included publications having enough clinical/radiological/histological information to confirm the diagnosis. RESULTS: 58 publications (169 GOCs) were included. The lesion was slightly more prevalent in men than in women...
July 26, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28726648/-cone-beam-computed-tomography-in-diagnostics-of-odontogenic-maxillary-sinusitis-case-reports
#10
E Demidova, G Khurdzidze
Diagnostic studies performed by cone beam computed tomography Morita 3D made possible to obtain high resolution images of hard tissues of upper jawbone and maxillary sinus, to detect bony tissue defects, such as odontogenic cysts, cystogranulomas and granulomas. High-resolution and three dimensional tomographic image reconstructions allowed for optimal and prompt determination of the scope of surgical treatment and planning of effective conservative treatment regimen. Interactive diagnostics helped to estimate cosmetic and functional results of surgical treatment, to prevent the occurrence of surgical complications, and to evaluate the efficacy of conservative treatment...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28721991/angiogenesis-concept-in-odontogenic-keratocyst-a-comparative-study
#11
Donia Sadri, Fatemeh Shahsavari, Sareh Farhadi, Zahra Shahabi, Zahra Mehran
CONTEXT: Recent reports have indicated that angiogenesis possibly affects the biologic behavior of the lesions. AIM: Given the different clinical behaviors of odontogenic keratocyst (OKC), the present study was undertaken to evaluate the concept of angiogenesis in pathogenesis and clinical behavior of OKC. SETTING AND DESIGN: This experimental study was carried out on 22 and 24 samples of OKCs and dentigerous cysts (DCs), respectively. METHODS: Immunohistochemical staining was approached using CD34 and vascular endothelial growth factor (VEGF) antibodies...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28716472/the-bone-lid-technique-in-oral-surgery-a-case-series-study
#12
S Sivolella, G Brunello, F Fistarol, E Stellini, C Bacci
The aim of this case series study was to illustrate the bone lid technique implemented using piezoelectric surgery to access mandibular alveolar bone diseases and to assess the clinical and radiographic outcomes. The technique was used to treat 21 consecutive patients with various conditions: cysts in six cases, impacted teeth with associated cysts in nine, keratocystic odontogenic tumours in three, impacted teeth in two, and an endodontic lesion in one. The bone lid was fashioned using piezoelectric surgery and a thin osteotomy insert...
July 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28706782/immunohistochemical-evaluation-of-podoplanin-in-odontogenic-tumours-cysts-using-anti-human-podoplanin-antibody
#13
Namrata Singhal, Nitin Khanduri, Deepak Kurup, Brijesh Gupta, Pranjan Mitra, Roshani Chawla
BACKGROUND: Odontogenic Cysts & tumors originate through some aberration from the normal pattern of odontogenesis. Ameloblastoma is one of the most frequent intraosseous odontogenic tumors. However it is no longer appropriate to use the diagnosis of ameloblastoma without specifying the type. Varied-clinical entities of ameloblastoma differ in their biologic behaviour. Odontogenic cysts like dentigerous and radicular cysts are less aggressive in nature than odontogenic tumors. Recently, podoplanin commonly used as a lymphatic endothelial marker in cancers has recently been found to play a possible role in odontogenic tumorigenesis also...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28688493/computer-aided-diagnosis-of-periapical-cyst-and-keratocystic-odontogenic-tumor-on-cone-beam-computed-tomography
#14
E Yilmaz, T Kayikcioglu, S Kayipmaz
BACKGROUND AND OBJECTIVES: In this article, we propose a decision support system for effective classification of dental periapical cyst and keratocystic odontogenic tumor (KCOT) lesions obtained via cone beam computed tomography (CBCT). CBCT has been effectively used in recent years for diagnosing dental pathologies and determining their boundaries and content. Unlike other imaging techniques, CBCT provides detailed and distinctive information about the pathologies by enabling a three-dimensional (3D) image of the region to be displayed...
July 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28674741/new-tumour-entities-in-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumours-odontogenic-and-maxillofacial-bone-tumours
#15
REVIEW
Paul M Speight, Takashi Takata
The latest (4th) edition of the World Health Organization Classification of Head and Neck tumours has recently been published with a number of significant changes across all tumour sites. In particular, there has been a major attempt to simplify classifications and to use defining criteria which can be used globally in all situations, avoiding wherever possible the use of complex molecular techniques which may not be affordable or widely available. This review summarises the changes in Chapter 8: Odontogenic and maxillofacial bone lesions...
July 3, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28666498/stafne-bone-cavity-complicated-by-periapical-infection
#16
Fethi Atil, Mehmet Zahit Adisen, Melda Misirlioglu, Berkay Tolga Suer
Stafne bone cavity (SBC) is an uncommon lesion of the mandible; and generally found incidentally on routine radiographic examinations. The radiographic differential diagnosis of SBC includes a variety of lesions including odontogenic cysts, benign tumors, or bone metastases. In the present case, a 22-year female patient was admitted with chief complaint of pain in the right mandibular molar area. On panoramic radiographic examination, a non-specific large radiolucent lesion related to mandibular molar teeth was detected and extra-oral surgical intervention was planned...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28639881/suspected-lateral-periodontal-cyst-presenting-concurrently-with-canine-acanthomatous-ameloblastoma-in-a-2-year-old-standard-poodle
#17
Jennifer Tjepkema, Cynthia Bell
Lateral periodontal cysts (LPCs) are odontogenic epithelial cysts composed of nonkeratinized epithelial cells that are in the category of developmental cysts, rather than inflammatory cysts. Lateral periodontal cysts are rare in both people and domestic animals; they are associated with vital teeth and located lateral to a tooth root. Lateral periodontal cysts are typically asymptomatic lesions that are characterized radiographically as a unilocular lucency with well-defined corticated borders. Canine acanthomatous ameloblastoma (CAA) is the most common odontogenic neoplasm in dogs and rarely presents as a cystic lesion...
January 1, 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28638564/glandular-odontogenic-cyst-associated-with-ameloblastoma-case-report-and-review-of-the-literature
#18
Timothée Cousin, Samuel Bobek, Dolphine Oda
Glandular odontogenic cyst (GOC) associated with ameloblastoma is an exceedingly rare histologic presentation with no known clinical significance or treatment applications. Four cases have been reported, three in the mandible and one in the maxilla. The age range is 14-65 and with male predilection. All four presented with swellings and two with pain. We add one more case to the literature of a 58-year old male presenting with an expansile multilocular radiolucency between teeth #19-23. The ameloblastomatous changes in this case are consistent with those of a unicystic ameloblastoma-mural subtype...
June 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28635992/odontogenic-tumors-a-retrospective-clinicopathological-study-from-two-italian-centers
#19
C Rubini, M Mascitti, A Santarelli, A Tempesta, L Limongelli, G Favia, E Maiorano
Objective: The aim of this retrospective study was to perform an epidemiological analysis of all odontogenic tumors treated in the University Hospitals "Ospedali Riuniti" in Ancona and "Policlinico" in Bari, from 1990 to 2015. Materials and methods: A retrospective survey of 277 patients treated for odontogenic tumors from 1990 to 2015 was performed. Data were retrieved from the archives of the above quoted Sections of Pathology. The lesions were classified according to 2005 WHO histological classification, and the following variables were analyzed: age, sex, histopathological diagnosis, site distribution, tumor size, and relapses...
March 2017: Pathologica
https://www.readbyqxmd.com/read/28617410/-prof-v-a-semkin-and-prof-i-i-babichenko-odontogenous-cysts-and-tumors-diagnosis-and-treatment-textbook-review
#20
(no author information available yet)
No abstract text is available yet for this article.
2017: Stomatologii︠a︡
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