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Odontogenic cyst

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https://www.readbyqxmd.com/read/29333372/ghost-cell-odontogenic-carcinoma-on-right-mandible-and-its-respective-surgical-reconstruction-a-case-report
#1
Sang Yoon Park, Joonhyoung Park, Do Hyun Kwon, Jae Ho Jeon, Soung Min Kim, Hoon Myoung, Jong Ho Lee
Calcifying cystic odontogenic tumor (CCOT) is defined as an odontogenic cyst-like benign neoplasm that characteristically contains several ghost cells, ameloblastoma-like epithelium, and occasional calcification. Ghost cell odontogenic carcinoma (GCOC), a malignant form of CCOT, is an exceptionally rare malignant tumor. In this report, we present a case of a 53-year-old man whose chief complaint was a solitary mass on the right mandible area. The mass was completely removed through an extraoral surgical approach and reconstructive surgery was performed in two phases...
December 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29326523/glandular-odontogenic-cyst-case-series
#2
Gokhan Gurler, Humam Al-Ghamian, Nihan Aksakalli, Cagri Delilbasi
Glandular odontogenic cyst (GOC) is an uncommon and aggressive jaw cyst with a high recurrence rate. It may grow into a large size. Diagnosis of the cyst is challenging since it may be confused with some other jaw cysts and malignancies. Treatment methods vary from conservative surgery to radical bone resection. In this case series, we briefly present five cases of GOC diagnosed and treated at our clinic. Thorough histopathological diagnosis and long-term follow-up are necessary in patients with GOC.
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29322252/-cystic-lesions-of-the-jaws
#3
D Baumhoer, S Höller
Cystic lesions of the jaws comprise a spectrum of inflammatory, developmental and neoplastic changes that can clinically appear strikingly similar. Squamous cell metaplasia due to superinfection can further blur the histologic hallmarks of the individual lesions. In this article an overview of the most important differential diagnoses and the novelties of the latest World Health Organisation (WHO) classification on head and neck tumours released in early 2017 is provided. In contrast to the previous edition, odontogenic cysts have been re-introduced and several changes in terminology and taxonomy have been complemented...
January 10, 2018: Der Pathologe
https://www.readbyqxmd.com/read/29311021/squamous-odontogenic-tumor-and-squamous-odontogenic-tumor-like-proliferations-in-odontogenic-cysts-an-updated-analysis-of-170-cases-reported-in-the-literature
#4
REVIEW
Bruno Ramos Chrcanovic, Ricardo Santiago Gomez
PURPOSE: To integrate the available data published on squamous odontogenic tumors (SOT) and squamous odontogenic tumor-like proliferations in odontogenic cysts (SOT-LPOC) into a comprehensive analysis of their clinical/radiologic features. MATERIALS AND METHODS: An electronic search was undertaken in January 2017. Eligibility criteria included publications having enough clinical/radiological/histological information to confirm a definite diagnosis. RESULTS: A total of 74 publications reporting 110 SOTs (102 central, 8 peripheral) and 60 SOT-LPOC were included...
December 26, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29302284/adenomatoid-odontogenic-tumor-case-series-of-14-with-wide-range-of-clinical-presentation
#5
Fatima Al-Shimari, Srinivasa Chandra, Dolphine Oda
Background: To present 14 cases of adenomatoid odontogenic tumor (AOT), highlighting their clinical, radiographic, and histologic characteristics. Material and Methods: Fourteen cases of AOT were retrieved from the archives of the Oral Pathology Biopsy Service (OPBS). Clinical, radiologic, and histologic findings are described. Results: Fourteen AOT cases were reviewed, of which 12 were intraosseous and two were peripheral (gingiva). The cases came from eight females and six males with an age range of 11-30...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29287708/intratarsal-keratinous-eyelid-cysts-in-gorlin-syndrome-a-review-and-reappraisal
#6
REVIEW
Natalie Wolkow, Frederick A Jakobiec, Michael K Yoon
A 38-year-old woman presented with multiple bilateral recurrent eyelid cysts. Her medical history was notable for Gorlin (nevoid basal cell carcinoma) syndrome. Histopathologic and immunohistochemical examinations revealed that the lesions were intratarsal keratinous cysts. They were similar in appearance to sporadic intratarsal keratinous cysts and closely resembled odontogenic keratocysts of the jaw. Eyelid cysts occur in up to 40 percent of patients with Gorlin syndrome; however, their description has been cursory and for the most part, outside of the ophthalmic literature...
December 26, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29274165/epidemiologic-study-of-odontogenic-and-non-odontogenic-cysts-in-children-and-adolescents-of-a-brazilian-population
#7
L-P da Silva, A Gonzaga, M Severo, C-S Barros, A de Medeiros, L de Souza, É da Silveira
BACKGROUND: the objective of this study was to describe the frequency of cystic lesions in a Brazilian population of patients histopathologically diagnosed in the first and second decade of life. MATERIAL AND METHODS: Retrospective descriptive cross-sectional study was performed. Biopsy records were obtained from the archives of a Brazilian referral center between 1980 and 2016. RESULTS: A total of 2.114 biopsy records of pediatric patients were analyzed with oral and maxillofacial lesions...
December 23, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29251408/odontogenic-parakeratinized-cyst-resulting-in-exophthalmos-and-palatine-maxillary-and-zygomatic-bone-erosion-in-a-dog
#8
Vanessa L Holly, Lesley A Zwicker, Gregory Starrak, Marina L Leis, Bianca S Bauer, Stephanie Osinchuk, Lynne S Sandmeyer, Bruce H Grahn
A novel case of a canine odontogenic parakeratinized cyst (COPC) that resulted in exophthalmos and palatine, maxillary, and zygomatic bone erosion in a 5-year-old Chihuahua dog is reported. Final diagnosis was aided by cross-sectional imaging (magnetic resonance imaging and computed tomography) and confirmed with histologic examination of the cyst wall.
December 18, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29243681/conservative-management-of-large-mandibular-dentigerous-cysts-with-a-novel-approach-for-follow-up-two-case-reports
#9
Ieva Gendviliene, Paul Legrand, Laura Ferreira Pinheiro Nicolielo, Deepti Sinha, Yannick Spaey, Constantinus Politis, Reinhilde Jacobs
BACKGROUND: Dentigerous cysts are odontogenic cysts of the jaws accounting for approximately 24% of all epithelium-lined jaw cysts. Rarely, these cysts can become extremely large causing additional symptoms, while challenging treatment. This article represents a novel approach for radiological treatment follow up of large dentigerous cysts. MATERIAL AND METHODS: Dentigerous cysts were treated by marsupialization, using dedicated obturators and enucleation of the cyst afterwards...
2017: Stomatologija
https://www.readbyqxmd.com/read/29239923/primary-closure-of-oroantral-communication-using-pedicled-buccal-fat-pad-following-maxillary-cyst-enucleation
#10
Yusuf Emes, Uğur Aga, Anil Cesur, Merva Soluk-Tekkesin, Büket Aybar, Canan Alatli
Odontogenic keratocyst (OKC) is a clinically aggressive developmental odontogenic cyst with a high recurrence rate as 62%. Oroantral communication (OAC) is a gateway through the maxillary sinus and the oral cavity, which, if not treated, will develop into oroantral fistula or chronical sinus diseases. Different methods for closure of OAC were described but only few of them have common usage. In recent years, the use of a pedicled buccal fat pad (BFP) in closure of large oroantral defects has been become popular...
December 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29238382/a-case-of-central-mucoepidermoid-carcinoma-associated-with-dentigerous-cyst
#11
Sayed Mohammad Razavi, Roya Yahyaabadi, Saeedeh Khalesi
Mucoepidermoid carcinoma (MEC) is the most common malignant salivary gland neoplasm. Central MEC (CMEC) is a rare primary intraosseous bony lesion with an incidence of 2%-4.3% of all MECs reported. In this article, we present a rare case of a CMEC in the anterior region of maxilla at a 43-year-old female patient that was arising from a dentigerous cyst. CMECs are extremely rare tumor. They are usually low-grade lesions with favorable prognosis. Odontogenic cysts are one of the origins of this lesion. Treatment of impacted tooth is necessary in the early stage for prevention of this neoplasm...
November 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29233700/volumetric-analysis-of-keratocystic-odontogenic-tumors-and-non-neoplastic-jaw-cysts-comparison-and-its-clinical-relevance
#12
Martin Kauke, Ali-Farid Safi, Andrea Grandoch, Hans-Joachim Nickenig, Joachim Zöller, Matthias Kreppel
The keratocystic odontogenic tumor (KCOT) is capable of causing vast osseous destruction. Histopathological examination is pivotal for diagnosis. The diagnostic process can sometimes be hindered by tissue inflammation of KCOTs with loss of defining criteria, resulting in misdiagnosis as an odontogenic jaw cyst. We discuss the possible merits of volumetric analysis when facing this particular diagnostic dilemma and for pathophysiological characterization of KCOTs. We included 114 patients, of whom 27 were histopathologically diagnosed with a KCOT and 87 with dentigerous (n = 41) and periapical cyst (n = 46)...
November 21, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29208801/grossing-of-oral-pathologies-revisited
#13
Raju Shashidara, Shankargouda Patil, Roopa S Rao, Ebi Scindiya, Ann Tryphena
Grossing pathologies, otherwise known as macroscopic cutup for diagnostic information, is a vital laboratory step as it impacts the patient treatment and prognosis. However, it is a challenging skill acquired with keen observation, experience, and correlation between macroscopy and microscopy. Before we make an attempt to gross, it is imperative to have sound knowledge about its general principles and its applications as it differs among different lesions. Thereby, we have made an attempt to enhance the guidelines for gross description and also updated on the general principles...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29208793/assessment-of-proliferative-potential-of-odontogenic-keratocyst-and-dentigerous-cyst-using-podoplanin-an-immunohistochemical-study
#14
Sandeep Gupta, Aparna Paliwal, Nidhi Choudaha, Anish Gupta, Prashant Rao, Shekhar Grover
INTRODUCTION: Odontogenic cysts are commonly encountered lesions among head and neck pathologies. Odontogenic keratocyst (OKC) has unique features of recurrence and local aggressiveness. Podoplanin (PDP) is a lymphatic endothelial marker and is shown to be expressed in a variety of tissues. Hence, we planned to assess the significance of PDP in OKC and dentigerous cyst (DC). MATERIALS AND METHODS: The present study included assessment of immunoexpression of PDP in OKC and DC...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29201968/clinicopathologic-study-of-intra-osseous-lesions-of-the-jaws-in-southern-iranian-population
#15
Zohreh Jaafari-Ashkavandi, Behrooz Akbari
Statement of the Problem: It is necessary for surgeons and practitioners to know about relative incidence and clinicopathologic features of lesions for accurate diagnosis and approach of pathologic lesions. Data are limited about overall incidence of intra-osseous lesions of the jaws in Iranian patients. Purpose: This study evaluated the clinicopathologic features of intra- osseous lesions of the jaws in an Iranian population, in a 22-year period. Materials and Method: In this cross- sectional retrospective analytical study, 4500 specimens in a 22- year period were reviewed...
December 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29191248/squamous-cell-carcinoma-arising-from-a-keratocystic-odontogenic-tumor-a-case-report
#16
Rajapakse Mudiyanselage Sumudu Himesha Bandara Medawela, Nadeena Sri Swarnaguptha Jayasuriya, Dugganna Ralalage Dilini Lalanthi Ratnayake, Ajith Manjula Attygalla, Bogahawatte Samarakoon Mudiyanselage Samadarani Siriwardena
BACKGROUND: The term "primary intraosseous squamous cell carcinoma" was introduced in 2005 by the World Health Organization with three subcategories. Squamous cell carcinoma arising from the lining of an odontogenic cyst is one important rare subcategory of such lesions with an incidence of 0.01 to 0.02%. Furthermore, the appearance of such malignancy in an odontogenic tumor such as keratocystic odontogenic tumor is considered extremely rare. CASE PRESENTATION: In this case report we report a case of a 50-year-old Sri Lankan woman who complained of pain and increase in the size of a swelling at the anterior mandible, which had been present for over 1 year...
December 1, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29184770/dentinogenic-ghost-cell-tumor-a-rare-case-report-with-review-of-literature
#17
Yash Agrawal, Giridhar S Naidu, Ramanpal Singh Makkad, Ravleen Nagi, Supreet Jain, Dilip R Gadewar, Raman Kataria
Dentinogenic ghost cell tumors (DGCT) are very rare tumors considered as solid variants of calcifying epithelial odontogenic cysts (CEOC). They are locally invasive neoplasms and their main characteristic features are ameloblastoma like odontogenic epithelial proliferation, an aberrant keratinization in the form of ghost cells and dysplastic dentin. DGCT occur as two forms intraosseous (central) and extra osseous (peripheral), of which more aggressive intraosseous variety requires careful monitoring and aggressive local resection to prevent recurrence...
October 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29167684/demographic-profile-of-non-odontogenic-jaw-lesions-in-an-iranian-population-a-30-year-archive-review
#18
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/29161784/calcifying-epithelial-odontogenic-cyst
#19
Balaji Manohar, Dhritiman Baidya, Neema Shetty, Aditi Mathur, Barkha Makhijani
The Calcifying Odontogenic Cyst was first described as a distinct clinicopathologic entity by Gorlin and his colleagues in 1962. Gold (1963) chose a similar, but not identical term for the lesion, namely 'keratinizing and calcifying odontogenic cyst'. The calcifying cystic odontogenic tumor (CCOT) is a new designation of calcifying odontogenic cyst (COC) recommended by the 2005 classification of the World Health Organization (WHO). The calcifying odontogenic cyst is not a common lesion; the dentinogenic ghost cell tumor is even less common and should be considered rare...
November 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29157548/imaging-of-benign-odontogenic-lesions
#20
REVIEW
William C Scarfe, Shiva Toghyani, Bruno Azevedo
Numerous benign cysts or solid tumors may present in the jaws. These arise from tooth-forming tissues in the dental alveolus or from nonodontogenic tissues in the basal bone of the mandible and maxilla. Radiologists provide 2 deliverables to assist in diagnosis and management: (1) appropriately formatted images demonstrating the location and extent of the lesion and (2) interpretive reports highlighting specific radiologic findings and an impression providing a radiologic differential diagnosis. This article provides guidance on essential image protocols for planning treatments, a radiologic differential diagnostic algorithm based on location and pattern recognition, and a summary of the main features of benign odontogenic lesions...
January 2018: Radiologic Clinics of North America
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