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Odontogenic cyst

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https://www.readbyqxmd.com/read/27891485/ameloblastic-carcinoma-a-report-of-three-cases
#1
Sravya Kodati, Sumit Majumdar, Divya Uppala, Madhurya Namana
Malignant odontogenic tumours are rare and represent approximately 1% of all oral malignancies. Ameloblastic carcinoma is a rare odontogenic tumour, which is aggressive in nature with extensive local bone destruction that has retained the features of ameloblastic differentiation and also exhibits cytological features of malignancy. It occurs primarily in the mandible in a wide range of age groups. It may arise de-novo or in pre-existing ameloblastoma or odontogenic cyst. The purpose of this report is to present three cases of ameloblastic carcinoma with varying presentations as central and peripheral entities...
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
#2
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/27876138/adenomatoid-odontogenic-tumor-what-is-the-true-nature
#3
Arush Thakur, Jagdish Vishnu Tupkari, Tabita Joy, Amrut V Hanchate
The Adenomatoid odontogenic tumor (AOT) is one of the most controversial benign odontogenic tumor, which has been known to the pathologists for the past 100years. Since then the history, histogenesis and histopathologic designation of AOT remains a matter of debate. Some authors consider it as a true benign neoplasm while others consider it as a hamartoma and still others as an odontogenic cyst. Here we propose that the AOT should not be considered as a cyst because its true cystic nature remains questionable...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27872132/cutaneous-neck-lesion-of-occult-odontogenic-origin-search-for-the-tooth
#4
Ronak Ved, Jonathan Jones, Nicholas Drage, Michael Fardy
The differential diagnosis for inflammatory neck swellings is vast. A swelling of dental origin should be considered because, while rare, they mimic more common causes of neck lumps. We report the case involving a recurrent submandibular swelling in a young female patient that was presumed to be an epidermoid cyst by her general medical practitioner. After 6 months of unsuccessful treatment in the community, an odontogenic source was identified and treated successfully following referral to a local Oral and Maxillofacial department...
November 21, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27865804/ghost-cell-tumors
#5
Jason Sheikh, Molly D Cohen, Naomi Ramer, Ali Payami
Ghost cell tumors are a family of lesions that range in presentation from cyst to solid neoplasm and in behavior from benign to locally aggressive or metastatic. All are characterized by the presence of ameloblastic epithelium, ghost cells, and calcifications. This report presents the cases of a 14-year-old girl with a calcifying cystic odontogenic tumor (CCOT) and a 65-year-old woman with a peripheral dentinogenic ghost cell tumor (DGCT) with dysplastic changes, a rare locally invasive tumor of odontogenic epithelium...
October 26, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27857903/orthokeratinized-odontogenic-cyst-masquerading-as-dentigerous-cyst
#6
Devi Charan Shetty, Ajit Singh Rathore, Anshi Jain, Natasha Thokchom, Neha Khurana
The orthokeratinized odontogenic cyst (OOC) is a rare developmental odontogenic cyst that has been considered as a variant of the keratocystic odontogenic tumor until Wright (1981) defined it as a different entity. Recognition of OOC as a unique entity has long been due, yet its inexplicable clinical, radiographic presentation resembling dentigerous cyst due to its association to an impacted tooth, and its histological features makes it rather perplexing. This is the report of a case of OOC in relation to an impacted maxillary canine and its immunohistochemical analysis with Ki-67...
October 2016: International Journal of Applied and Basic Medical Research
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
#7
(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/27853924/retrospective-analysis-of-nonendodontic-periapical-lesions-misdiagnosed-as-endodontic-apical-periodontitis-lesions-in-a-population-of-taiwanese-patients
#8
Hsun-Yu Huang, Yuk-Kwan Chen, Edward Cheng-Chuan Ko, Fu-Hsiung Chuang, Ping-Ho Chen, Ching-Yi Chen, Wen-Chen Wang
OBJECTIVE: We aimed to evaluate nonendodontic periapical lesions clinically misdiagnosed as endodontic periapical pathoses in a population of Taiwanese patients. MATERIALS AND METHODS: Cases (2000-2014) of histopathological diagnoses of nonendodontic periapical lesions were retrieved from all cases with a clinical diagnosis of radicular cyst, apical granuloma, or apical periodontitis in the institution. These cases were regarded as misdiagnosed nonendodontic periapical lesions, of which the types and frequencies, in addition to the demographic data, were determined...
November 16, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27849342/dentigerous-cyst-associated-with-ectopically-impacted-maxillary-second-premolar
#9
Sulabha An, Bhari Sharanesha Manjunatha, Madhusudan Astekar, Sameer C
Dentigerous cysts are benign odontogenic cysts that are accompanying with the crown of permanent teeth. They are typically single in incidence and are situated in the mandible. They are usually associated with impacted mandibular third molar and maxillary canines. Here we report a very rare presentation of dentigerous cyst in anterior maxilla accompanying with ectopically impacted maxillary second premolar. The cyst was enucleated along with extraction of premolar.
November 2016: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/27847737/treatment-of-nevoid-basal-cell-carcinoma-syndrome-a-case-report
#10
Dong-Uk Seo, Su-Gwan Kim, Ji-Su Oh, Jae-Seek You
Nevoid basal cell carcinoma syndrome (NBCCS), also known as Gorlin syndrome, is characterized by various embryological deformities and carcinoma formation. It is caused by PTCHI gene mutations and is autosomal dominantly inherited. Some of the main symptoms of NBCCS are multiple basal cell carcinomas, multiple keratocystic odontogenic tumors (KCOTs) of the mandible, hyperkeratosis of the palmar and plantar, skeletal deformity, calcification of the falx cerebri, and facial defomity. Recurrent KCOT is the main symptom of NBCCS and is present in approximately 90% of patients...
October 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/27843264/mandibular-dentigerous-cyst-in-a-10-year-old-child
#11
Bindu Bhardwaj, Sunil Sharma, Punit Chitlangia, Prateek Agarwal, Amit Bhamboo, Komal Rastogi
: Dentigerous cyst is the most common odontogenic cyst. It is characterized by a unilocular radiolucent lesion that encloses permanent tooth buds or, under certain circumstances, displaced tooth buds. Buccal bony expansion and a missing tooth is the most common clinical feature. Various treatment modalities have been mentioned in the literature for management of dentigerous cysts. This article presents a left mandibular dentigerous cyst in a 10-year-old boy. Marsupialization was the treatment of choice and a denturelike space maintainer was provided...
July 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27843260/gorlin-goltz-syndrome-a-rare-case-report-of-a-11-year-old-child
#12
Sandeep Tandon, Yashwant Chauhan, Meenakshi Sharma, Manish Jain
: Gorlin-Goltz Syndrome, also known as nevoid basal cell carcinoma syndrome (NBCCS), is an autosomal dominant trait caused due to mutations in the patched tumor suppressor gene (PTCH) gene found on the long arm of chromosome 9. The syndrome is characterized by the presence of odontogenic keratocysts (OKCs), basal cell carcinomas, and skeletal malformations. Early diagnosis of the syndrome can be done by pedodontist as OKC is one of the early manifestations of the syndrome. Early diagnosis and treatment is important for long-term prognosis of the syndrome by reducing the severity of cutaneous carcinomas and deformities due to jaw cyst...
July 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27833347/treatment-of-keratocystic-odontogenic-tumours-a-prospective-study-of-30-cases
#13
Ashish Gupta, Pankaj Bansal, Rahul Sharma, Sneha D Sharma
AIM: This prospective study aimed at presenting different treatment modalities and its association with the recurrence rate of KCOT. MATERIAL AND METHOD: The study was conducted on 30 patients diagnosed with KCOT between March 2009 and 2012. The patients were followed up for a period of at least 1 year. The clinical, radiographic and demographic data were recorded and four different treatment modalities were followed to assess the recurrence of the tumour. RESULTS: In the study, KCOT showed male predominance with a male: female ratio of 23:7...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27829777/aggressive-nasopalatine-duct-cyst-with-complete-destruction-of-palatine-bone
#14
D Sankar, Veerabahu Muthusubramanian, J A Nathan, Ravi Sankar Nutalapati, Yasmin Mary Jose, Y Naren Kumar
Nasopalatine duct cyst is the nonodontogenic developmental cyst, frequently occurring in the midline of the anterior maxillary region. The clinical presentation of the cyst is often varied and presents a diagnostic difficulty and frequently misdiagnosed as developmental or inflammatory odontogenic cystic lesion. This paper represents a large infected nasopalatine duct cyst presenting with complete destruction of anterior palate and pyriform rim.
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/27829208/glandular-odontogenic-cyst-the-value-of-intraepithelial-hemosiderin
#15
Badr AbdullGaffar, Mohamed Koilelat
Glandular odontogenic cyst (GOC) is a relatively rare but well-described clinicopathologic entity. Its rarity and unpredictable clinical behavior are challenging to managing clinicians. Its variable and overlapping histomorphologic features are also diagnostically challenging for pathologists. Other odontogenic cysts and oral cystic neoplasms can simulate GOC. There are specific histologic criteria that help distinguish GOC from other mimickers. To our knowledge, the phenomenon of hemosiderin pigments deposition within the lining glandular epithelium of GOC has not been covered in detail or specifically reported so far in the literature...
October 7, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27818958/giant-keratocystic-odontogenic-tumor-a-challenging-diagnosis
#16
Rachna Kaushik, Kumar Pushpanshu, Silky Rajesh Punyani, Vineet Raj
The keratocystic odontogenic tumor, although a benign lesion, is peculiarly aggressive with a high recurrence rate. Its involvement with the maxillary antrum is atypical. We report the unusual case of a 20-year-old male patient with an extensive antral tumor associated with an impacted third molar, which was initially misdiagnosed as a dentigerous cyst. Clinical, radiographic, and histopathologic aspects were analyzed to provide useful information for the correct diagnosis, treatment, and prognosis within a multidisciplinary approach...
July 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/27799973/the-oral-pathology-related-articles-published-in-iranian-journal-of-pathology-from-2006-to-2015
#17
Thorakkal Shamim
BACKGROUND: There is a paucity of information about the oral pathology related articles published in a pathology journal. This study aimed to audit the oral pathology related articles published in Iranian Journal of Pathology (Iran J Pathol) from 2006 to 2015. METHODS: Bibliometric analysis of issues of Iran J Pathol from 2006 to 2015 was performed using web-based search. The articles published were analyzed for type of article and individual topic of oral pathology...
2016: Iranian Journal of Pathology
https://www.readbyqxmd.com/read/27795861/value-of-magnetic-resonance-imaging-for-diagnosis-of-dentigerous-cyst
#18
Antonione Santos Bezerra Pinto, André Luiz Ferreira Costa, Neiandro Dos Santos Galvão, Thásia Luiz Dias Ferreira, Sérgio Lúcio Pereira de Castro Lopes
Odontogenic cysts have a high prevalence in the dental clinic population, with dentigerous cyst being one of the most frequent ones and whose aetiology involves accumulation of fluid between the reduced enamel epithelium and the crown of an unerupted tooth. In the diagnostic process of these lesions, one should consider complementary imaging exams such as conventional radiography and computed tomography, which are commonly used for providing anatomical information on the tissues compromised by the lesion, but not on the nature of it...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27770472/whatsapp-is-an-effective-tool-for-obtaining-second-opinion-in-oral-pathology-practice
#19
Sachin C Sarode, Gargi S Sarode, Rahul Anand, Shankargouda Patil, Hemant Unadkat
BACKGROUND: The aim of this study was to find out the efficacy of WhatsApp application for obtaining second opinion on histopathological diagnosis in oral pathology practice. METHODS: A total of 247 cases comprising of 34 different oral pathologies were photomicrographed using smartphone cameras through compound microscopes and sent for second opinion diagnosis (SOD) to 20 different oral pathologists using WhatsApp. RESULTS: Of 4795 (97.06%) total second opinion received, correct SOD were received for 4710 (98...
October 22, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27765332/keratinizing-odontogenic-cysts-with-a-spectrum-of-verrucoid-morphology-investigation-of-a-potential-role-of-human-papillomavirus
#20
Kalpesh Lalla, Farzana Mahomed, Shabnum Meer
OBJECTIVE: The role of human papillomavirus (HPV) in keratinizing odontogenic cysts (OC) has only rarely been studied. We describe the clinicopathologic findings in a series of OCs that had unusual keratinization patterns and were investigated for a possible HPV etiology. STUDY DESIGN: Tissue samples from 29 patients with keratinizing OCs were studied for light microscopic features suggestive of HPV infection and by an HPV DNA polymerase chain reaction assay. RESULTS: The mean age at presentation was 31...
November 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
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