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Ossifying fibroma

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https://www.readbyqxmd.com/read/28737157/oral-neoplasms-in-pickhandle-barracuda-sphyraena-jello-from-india
#1
V Singaravel, A Gopalakrishnan, K Raja, R Vijayakumar, S Asrafuzzaman
We report the spontaneous occurrence of oral neoplasms in pickhandle barracuda Sphyraena jello Cuvier, 1829 from Parangipettai, on the southeast coast of India. A total of 11736 fish were examined, of which 43 were affected with oral tumours, with an overall prevalence of 0.37%. Gross and clinical symptoms included reddish to grayish-white distended tumourous growths on the gingiva, intra-oral bones and tongue. The tumours exhibited delayed eruption and intra- or extra-oral swelling, varied in consistency from extremely firm to fleshy and released mucinous material...
July 24, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28678972/the-role-of-osterix-protein-in-the-pathogenesis-of-peripheral-ossifying-fibroma
#2
Vivian Narana Ribeiro El Achkar, Raphaella da Silveira Medeiros, Fernanda Gargano Longue, Ana Lia Anbinder, Estela Kaminagakura
Peripheral ossifying fibroma (POF) is a reactive lesion of oral tissues, associated with local factors such as trauma or presence of dental biofilm. POF treatment consists of curettage of the lesion combined with root scaling of adjacent teeth and/or removal of other sources of irritants. This study aimed to analyze the clinical and pathological features of POF and to investigate the immunoexpression of Osterix and STRO-1 proteins. Data such as age, gender, and size were obtained from 30 cases of POF. Microscopic features were assessed by conventional light microscopy using hematoxylin-eosin staining and immunohistochemical markers, and by polarized light microscopy using Picrosirius red staining...
July 3, 2017: Brazilian Oral Research
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
#3
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/28642188/costal-graft-as-a-support-for-bone-regeneration-after-mandibular-juvenile-ossifying-fibroma-resection-an-unusual-case-report
#4
F Fauvel, R Pace, F Grimaud, F Marion, P Corre, B Piot
Spontaneous regeneration of bone tissue after mandibular resection is rare in adults, although it does often take place in children. Periosteum conservation appears to play a major role in this healing process. We here report regarding a 5-year-old boy who exhibited a large mandibular trabecular juvenile ossifying fibroma. The lesion was treated by mandibulectomy, with careful preservation of the periosteal layer and immediate reconstruction with a costal graft by an intraoral approach. Monitoring over the course of a year revealed spontaneous mandibular regeneration, and it allowed for a series of measurements of the graft to be made...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28588818/conglomeration-of-trabecular-and-psammomatoid-variants-of-juvenile-ossifying-fibroma-a-rare-case-report
#5
Lipsa Bhuyan, Abikshyeet Panda, Kailash Chandra Dash, Mohiddin S Gouse, Kiran Misra
Juvenile ossifying fibroma is an uncommon benign fibro-osseous lesion occurring in the craniofacial skeleton with a high recurrence rate. It has two distinct histopathologic variants: one trabecular and the other which are exclusive to each other. This case reveals a rare and unique combination of both the patterns in the same lesion.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28566876/trabecular-variant-a-rare-entity-of-juvenile-ossifying-fibroma-of-the-mandible
#6
Pallavi Malaviya, Sandeep Choudhary, Sahil Gupta, O D Toshniwal
One of the rarest entities of fibro-osseous lesions that arise within the craniofacial bones is Juvenile ossifying fibroma (JOF). It is an intraosseous expansile lesion of the jaw that imitate odontogenic lesions. WHO has described two distinct histopathological variants of JOF; trabecular and psammomatoid. Histologically, they are characterized by the presence of fibrous connective tissue stroma along with osteoblastic and osteoclastic cells. Clinical, characteristics show an early age of onset, typical histological patterns, high rate of aggressive behavior and recurrence...
January 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28491178/ossifying-fibroma-an-uncommon-differential-diagnosis-for-t2-hypointense-sinonasal-masses
#7
Andrea Carolina Inacio Salina, Pedro Mansueto Melo de Souza, Camila Maria da Costa Gadelha, Lindenberg Barbosa Aguiar, José Daniel Vieira de Castro, André Rodrigues Façanha Barreto
Ossifying fibroma is a benign fibro-osseous lesion that occurs most commonly in the mandible of female patients. In rare cases, it affects the nasal cavity. The magnetic resonance imaging features may vary depending on the amount of fibrous and bony tissue in its composition. In these tumors, T2-hypointensity is a feature described in the peripheral ossified areas of the lesion, but it may present diffusely, especially when the degree of ossification is extensive. In this scenario, this particular characteristic on T2-weighted imaging is superimposable to the commonly described appearance of other lesions, such as non-Hodgkin's lymphoma, melanoma, and other sinonasal neoplasms with high cellularity and high nucleocytoplasmic ratio...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28479713/assessment-of-reactive-gingival-lesions-of-oral-cavity-a-histopathological-study
#8
Santosh Hunasgi, Anila Koneru, M Vanishree, Vardendra Manvikar
BACKGROUND: In the literature, many studies were attempted to analyze the distribution of oral reactive lesions in terms of age, gender and location. However, very few studies have focused on the detailed histopathological features of these reactive lesions of oral cavity. Thus, the purpose of this paper is to document the occurrence, distribution and various histopathological features of reactive gingival lesions. MATERIALS AND METHODS: This study is a retrospective archival review of reactive gingival lesions of oral cavity such as irritational fibroma (IF), inflammatory gingival hyperplasia (IGF), pyogenic granuloma (PG), peripheral giant cell granuloma (PGCG) and peripheral ossifying fibroma involving gingival tissues...
January 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28479709/epithelioid-osteoblastoma-a-histopathological-dilemma-between-juvenile-ossifying-fibroma-and-low-grade-osteosarcoma
#9
Sudeendra Prabhu, Soniya Adyanthaya, Maji Jose, B H Sripathi Rao
No abstract text is available yet for this article.
January 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28467645/radiotherapy-for-juvenile-ossifying-fibroma-of-the-maxillary-sinus-case-report-and-literature-review
#10
Scott Strickler, Kathryn E Hitchcock, Peter T Dziegielewski, William M Mendenhall
BACKGROUND: Juvenile ossifying fibroma (JOF) is a benign fibro-osseous lesion that can be locally aggressive. It is typically treated with surgical excision. A few cases using adjuvant radiotherapy have been reported in the literature. METHODS: We report a case of JOF treated with surgical excision and adjuvant radiotherapy to minimize the risk of local recurrence. We also review the literature. RESULTS: Our patient tolerated radiotherapy without complication and had not experienced a local recurrence at the time of writing this manuscript...
August 2017: Head & Neck
https://www.readbyqxmd.com/read/28454393/diagnosing-and-discriminating-between-primary-and-secondary-aneurysmal-bone-cysts
#11
Hiromi Sasaki, Satoshi Nagano, Hirofumi Shimada, Masahiro Yokouchi, Takao Setoguchi, Yasuhiro Ishidou, Osamu Kunigou, Kosuke Maehara, Setsuro Komiya
Aneurysmal bone cysts (ABCs) are benign bony lesions frequently accompanied by multiple cystic lesions and aggressive bone destruction. They are relatively rare lesions, representing only 1% of bone tumors. The pathogenesis of ABCs has yet to be elucidated. In the present study, a series of 22 cases of primary and secondary ABC from patients treated in Department of Orthopedic Surgery, Kagoshima University Hospital (Kagoshima, Japan) from 2001-2015 were retrospectively analyzed. The average age at the time of diagnosis of primary ABC was 17...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28439606/cemento-ossifying-fibroma-of-the-mandible-a-clinicopathological-report
#12
Tapas K Bala, Sarmeshta Soni, Prakriti Dayal, Indrajeet Ghosh
Cemento-ossifying fibromas are rare fibro-osseous benign neoplasms that affect the jaws. They are included in the group of mesodermal odontogenic tumors and commonly present as a progressively growing lesion that might attain enormous size with resultant deformity, if left untreated. A confusion prevails on the terminology, which can only be confirmed by histopathologic evaluation. A case of cemento-ossifying fibroma involving the right mandible is described in a 30 year-old female patient. The clinical, radiographic, histologic features are presented and the various differential diagnosis are discussed...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28402358/surgical-treatment-of-a-peripheral-ossifying-fibroma-and-reconstruction-with-a-porcine-collagen-matrix-a-case-report
#13
José González-Serrano, Rosa María López-Pintor, Ignacio Sanz-Sánchez, Víctor Manuel Paredes, Elisabeth Casañas, Lorenzo de Arriba, Gonzalo Hernández Vallejo
A 35-year-old woman was referred to the Department of Oral Medicine and Orofacial Surgery after several recurrences of an ossifying fibroma (OF) that affected the free and attached gingiva of the maxillary right central incisor. Surgery was performed with a complete excision of the lesion together with the surrounding healthy tissue up to the bone. To guide the healing of the anterior esthetic framework and the excised tissues, a porcine collagen matrix as an alternative to connective tissue graft was used...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28391267/a-clinical-and-radiological-approach-to-the-management-of-benign-mesenchymal-sinonasal-tumors
#14
Lukas Anschuetz, Melanie Buchwalder, Matthias Dettmer, Marco D Caversaccio, Franca Wagner
PURPOSE: Benign mesenchymal sinonasal neoplasms (BMSN) are rare and histologically heterogeneous. Differential diagnosis, appropriate management, and outcome are still a matter of debate. The aim of this study is to provide evidence for further refinement of assessment and treatment in the future. PROCEDURES: We retrospectively reviewed data on 93 patients with neuroradiologically verified BMSN treated at our university reference center during the past 22 years...
2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28384511/osteoblast-specific-deletion-of-hrpt2-cdc73-results-in-high-bone-mass-and-increased-bone-turnover
#15
Casey J Droscha, Cassandra R Diegel, Nicole J Ethen, Travis A Burgers, Mitchell J McDonald, Kevin A Maupin, Agni S Naidu, PengFei Wang, Bin T Teh, Bart O Williams
Inactivating mutations that lead to loss of heterozygosity within the HRPT2/Cdc73 gene are directly linked to the development of primary hyperparathyroidism, parathyroid adenomas, and ossifying fibromas of the jaw (HPT-JT). The protein product of the Cdc73 gene, parafibromin, is a core member of the polymerase-associated factors (PAF) complex, which coordinates epigenetic modifiers and transcriptional machinery to control gene expression. We conditionally deleted Cdc73 within mesenchymal progenitors or within mature osteoblasts and osteocytes to determine the consequences of parafibromin loss within the mesenchymal lineage...
May 2017: Bone
https://www.readbyqxmd.com/read/28381325/ossifying-fibroma-of-the-maxilla-and-sinonasal-tract-case-series
#16
Jack J Liu, Lester D R Thompson, Agnieszka M Janisiewicz, Terry Y Shibuya, David B Keschner, Rohit Garg, Jivianne T Lee
BACKGROUND: Head and neck ossifying fibroma (OF) is a rare, benign, locally aggressive, fibro-osseous tumor. The mandible is the most common site of involvement, followed by the maxilla, and, less frequently, the sinonasal cavities, orbit, skull base, and calvarium. In this study, we aimed to expand our understanding of this entity by presenting a case series of OF that involved the maxilla and sinonasal tract. METHODS: A multicenter retrospective review was performed on all the patients with a diagnosis of OF from 2004 to 2013...
March 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28376635/intraosseous-venous-malformations-of-the-zygoma-report-of-4-cases-and-literature-review
#17
REVIEW
Xiuling Huang, Jingang An, Yi Zhang, Zhigang Cai
OBJECTIVES: As intraosseous venous malformations (IVMs) of the zygoma are very rare and clinical features are not typical, a correct preoperative diagnosis may be difficult to make. This study presents 4 cases of IVM of the zygoma and gives a review of their clinical manifestations, radiographic features, preoperative diagnosis, and differentials. METHODS: The report of 4 cases was performed with an average 6-year follow-up. Medical records including clinical, radiographic, and histopathological information were reviewed...
June 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28357086/a-large-psammomatoid-ossifying-fibroma-with-proptosis-a-case-report
#18
Zhi-Yuan Zhang, Mei-Ping Min, Yang Liu, Hong-Qun Jiang, Jian Zhang
The psammomatoid ossifying fibroma (POF) is a rare and benign fibro-osseous lesion predominantly affecting the paranasal sinuses and orbits of children and young adults. The diagnosis and management of the lesion remains challenging. The present study reported a rare case of a large POF in a 39-year-old male patient. The patient had a 30 year history of a slowly growing tumor and this had resulted in right craniofacial deformity, as well as right lateral displacement of the eye ball. Due to the large tumor size, surgical removal of the lesion was the predominant treatment...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28299276/unusually-large-sized-peripheral-ossifying-fibroma
#19
Reena Rachel John, Saravanan Kandasamy, Narendran Achuthan
Fibrous growths in the gingiva with the histopathological presence of calcifications are a common occurrence in the oral cavity. These lesions can be neoplastic in nature with either odontogenic or non odontogenic origin or they can be reactive lesions. This is a case report of an unusual presentation of peripheral ossifying fibroma , unusual because of its abnormally large size with review of literature.
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28292370/psammomatoid-juvenile-ossifying-fibroma-of-mandible-in-a-41-year-male-patient
#20
Betina Chandolia, Manas Bajpai
Juvenile ossifying fibroma (JOF) is a rare fibro-osseous neoplasm that develops among the craniofacial bones at an early age; and in majority of patients, it is diagnosed in the first or second decade of life. We present a case in 41-year male patient having it in the left anterior mandibular region. Peripheral eosinophilic areas resembling psammomatoid bodies along with other features impelled the diagnosis of psammomatoid ossifying fibroma. However, the term juvenile seems to be losing impact with the patients showing such features in old age...
January 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
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