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Ossifying fibroma

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https://www.readbyqxmd.com/read/28299276/unusually-large-sized-peripheral-ossifying-fibroma
#1
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
#2
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
https://www.readbyqxmd.com/read/28289810/non-odontogenic-tumors-of-the-facial-bones-in-children-and-adolescents-role-of-multiparametric-imaging
#3
REVIEW
Minerva Becker, Salvatore Stefanelli, Anne-Laure Rougemont, Pierre Alexandre Poletti, Laura Merlini
Tumors of the pediatric facial skeleton represent a major challenge in clinical practice because they can lead to functional impairment, facial deformation, and long-term disfigurement. Their treatment often requires a multidisciplinary approach, and radiologists play a pivotal role in the diagnosis and management of these lesions. Although rare, pediatric tumors arising in the facial bones comprise a wide spectrum of benign and malignant lesions of osteogenic, fibrogenic, hematopoietic, neurogenic, or epithelial origin...
March 13, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28289785/-incidental-findings-in-musculoskeletal-radiology
#4
F Wünnemann, C Rehnitz, M-A Weber
BACKGROUND: Increasing numbers of conventional X‑rays, computed tomography and magnetic resonance imaging in the inpatient, outpatient and scientific routine leads to an increasing number of incidental findings. The correct interpretation of these incidental findings with respect to the relevance and the evaluation concerning further work-up is an important task of radiologists. OBJECTIVE: Description of common incidental findings in musculoskeletal imaging and their clinical classification...
March 13, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28288139/mice-deleted-for-cell-division-cycle-73-gene-develop-parathyroid-and-uterine-tumours-model-for-the-hyperparathyroidism-jaw-tumour-syndrome
#5
G V Walls, M Stevenson, K E Lines, P J Newey, A A C Reed, M R Bowl, J Jeyabalan, B Harding, K J Bradley, S Manek, J Chen, P Wang, B O Williams, B T Teh, R V Thakker
The hyperparathyroidism-jaw tumour (HPT-JT) syndrome is an autosomal dominant disorder characterized by occurrence of parathyroid tumours, often atypical adenomas and carcinomas, ossifying jaw fibromas, renal tumours and uterine benign and malignant neoplasms. HPT-JT is caused by mutations of the cell division cycle 73 (CDC73) gene, located on chromosome 1q31.2 and encodes a 531 amino acid protein, parafibromin. To facilitate in vivo studies of Cdc73 in tumourigenesis we generated conventional (Cdc73(+/-)) and conditional parathyroid-specific (Cdc73(+/L)/PTH-Cre and Cdc73(L/L)/PTH-Cre) mouse models...
March 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28252420/metaphyseal-cortical-defect-and-tumor-like-processes-of-long-bones-a-literature-review-and-own-observations
#6
N Lysenko, Ye Sharmazanova, I Voronzhev, A Sorochan, Yu Kolomiychenko
Metaphyseal cortical defect (metaphyseal fibrous defect, cortical fibrous defect) of the long bones is a quite common variant of the bone structure's pathologic changes. The cortical defects and similar to their tumor-like processes (non-ossifying fibroma, benign fibrous histiocytoma etc.) are characterized by particular qualities of the clinical symptoms and radiologic signs. The aim of this article is to analyze a known literature data about cortical fibrous defects of long bones and similar to their tumor-like processes and present results of our own observations...
January 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28245242/assessing-and-managing-wounds-of-buruli-ulcer-patients-at-the-primary-and-secondary-health-care-levels-in-ghana
#7
Naa Okaikor Addison, Stefanie Pfau, Eric Koka, Samuel Yaw Aboagye, Grace Kpeli, Gerd Pluschke, Dorothy Yeboah-Manu, Thomas Junghanss
BACKGROUND: Beyond Mycobacterium ulcerans-specific therapy, sound general wound management is required for successful management of Buruli ulcer (BU) patients which places them among the large and diverse group of patients in poor countries with a broken skin barrier. METHODS: Clinically BU suspicious patients were enrolled between October 2013 and August 2015 at a primary health care (PHC) center and a municipal hospital, secondary health care (SHC) center in Ghana...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28235628/denosumab-treated-giant-cell-tumor-of-bone-its-histologic-spectrum-and-potential-diagnostic-pitfalls
#8
Pablo Daniel Roitman, Federico Jauk, Germán Luis Farfalli, José Ignacio Albergo, Luis Alberto Aponte-Tinao
Giant cell tumor of bone (GCT) is a locally aggressive, rarely metastasizing primary bone neoplasm that occurs most frequently in the epiphysis of long bones of young adults. It is composed of round, oval or elongated mononuclear cells admixed with osteoclast-like giant cells that express receptor activator of nuclear factor- қB (RANK). The mononuclear stromal cells express RANK ligand (RANKL), a mediator of osteoclast activation. Denosumab, a monoclonal antibody that inhibits RANKL reducing tumor-associated bone lysis, has been used to treat selected cases of GCT...
February 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28211081/h3f3a-mutation-in-giant-cell-tumour-of-the-bone-is-detected-by-immunohistochemistry-using-a-monoclonal-antibody-against-the-g34w-mutated-site-of-the-histone-h3-3-variant
#9
Julian Lüke, Alexandra von Baer, Jordan Schreiber, Christoph Lübbehüsen, Thomas Breining, Kevin Mellert, Ralf Marienfeld, Markus Schultheiss, Peter Möller, Thomas Fe Barth
AIMS: Giant cell tumour of bone (GCTB) is a neoplasm predominantly of long bones characterised by the H3F3A mutation G34W. Conventional diagnostic is challenged by the tumour's giant cell-rich morphology, which overlaps with other giant cell containing lesions of the bone. Recently, a monoclonal antibody specific for the H3F3A mutation has been generated. Our aim was to test this antibody on a cohort of giant cell containing lesions. METHODS AND RESULTS: We used the antibody for analysis of 22 H3F3A-mutated GCTB, including two patients with recurrences; for comparison we analysed a cohort of 36 H3F3A-wild-type giant cell-rich lesions of the bone and soft tissue, containing one brown tumour, six aneurysmal bone cysts, six chondroblastomas, five non-ossifying-fibromas, two fibrous dysplasias, nine tenosynovial giant cell tumours, one giant cell-rich sarcoma and six osteosarcomas...
February 17, 2017: Histopathology
https://www.readbyqxmd.com/read/28210024/juvenile-trabecular-ossifying-fibroma-of-the-maxilla-a-case-report
#10
Samia Aboujaoude, Georges Aoun
INTRODUCTION: Juvenile ossifying fibromas are uncommon benign tumors. Their aggressiveness added to their high tendency to recur, provoke real diagnostic and therapeutic challenges for the dental practitioner and make a postoperative follow-up over the years indispensable. CASE REPORT: In this report, we present a case of a seven-year-old girl presented with a swelling in the face at the upper right maxillary region. After clinical, radiological, and histopathological examinations the diagnosis of trabecular juvenile ossifying fibroma was made...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28195085/histological-evaluation-of-the-possible-transformation-of-peripheral-giant-cell-granuloma-and-peripheral-ossifying-fibroma-a-preliminary-study
#11
Ömür Dereci, Şivge Akgün, Bülent Celasun, Adnan Öztürk, Ömer Günhan
AIMS: The objective of this study is to describe shared morphological features of peripheral giant cell granuloma (PGCG) and peripheral ossifying fibroma (POF) in detail and discuss the possible relationship between them. MATERIALS AND METHODS: Ten intermediate cases with features resembling to both POF and PGCG were selected and type 3 and 1 collagen immunostainings were performed for evaluation of the connective tissue maturation. Immunohistochemical staining percentage (SP) for stromal cells in the slides of POF and PGCG counterparts of intermediate lesions was scored as 1 when the SP was above 10%, 2 when the SP was above 25%, 3 when the SP was above 50% and 4 when the SP was above 75%...
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28125310/juvenile-psammomatoid-ossifying-fibroma-in-paranasal-sinus-and-skull-base
#12
Mingjie Wang, Bing Zhou, Shunjiu Cui, Yunchuan Li
CONCLUSION: The endoscopic transnasal approach with IGS is a safe and effective technique, allowing completely resection of JPOF, with minimal morbidity and recurrence. OBJECTIVES: JPOF is a benign but locally aggressive fibro-osseous lesion. This study presents a series of JPOF cases, involving anterior skull base and orbit, treated by endoscopic transnasal approach with image guidance system (IGS) to resect the mass completely. METHOD: This study retrospectively reviewed the clinical presentations, surgical procedures, and complications of 11 patients with JPOF who were treated by endoscopic approach from May 2009 to April 2014...
January 26, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28125308/endoscopic-resection-of-ossifying-fibroma-involving-paranasal-sinuses-and-the-skull-base-in-a-series-of-15-cases
#13
Ping Ye, Qian Huang, Bing Zhou
CONCLUSION: The key technical challenges in the resection of OFs are rapid removal of tumors by image-guided navigation, determining the boundary of the resection and the proper control of blood supply through the anterior or posterior ethmoidal arteries. OBJECTIVE: This study aimed to analyze the clinical data of adult patients with paranasal ossifying fibromas involving the anterior skull base and orbit. The surgical technique and indications are also discussed...
January 26, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28119439/successful-treatment-of-tumour-induced-osteomalacia-after-resection-of-an-oral-peripheral-ossifying-fibroma
#14
Mark Anthony Santiago Sandoval, Majorie Amoroto Palermo, Ryner Carrillo, Rafael Bundoc, Jose Ma Carnate, Romelito Jose Galsim
Tumour-induced osteomalacia is a paraneoplastic syndrome wherein bone is affected by a hormone from a tumour that causes renal phosphate wasting and hypophosphataemia. Here, we present the case of a 31-year-old man who has been suffering from generalised bone pains and a spine deformity that led to loss of height. Pertinent findings are low serum phosphorus, low vitamin D and decreased bone mineral density. These findings led to a diagnosis of osteomalacia. However, the finding of an oral mass raised some questions as to what role it plays in the patient's disease...
January 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28111211/the-drawer-like-resection-and-reconstruction-with-titanium-mesh-a-novel-surgical-technique-for-treatment-of-giant-ossifying-fibroma-in-the-maxilla
#15
Mingming Lv, Jun Li, Yi Shen, Liang Wang, Jian Sun
PURPOSE: The aim of this article is to introduce a new surgical method for the treatment of ossifying fibroma (OF) in the maxilla with dislocation of the eyeball and to evaluate the postoperative outcomes and prognosis. PATIENTS AND METHODS: Cases of maxillary OF treated with "drawer-like" resection from 2014 to 2015 were reviewed. The surgical procedure consisted of total removal of the orbital floor and most of the maxilla with preservation of the alveolar ridge immediately followed by reconstruction with titanium mesh...
December 29, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27998739/can-differences-in-vascularity-serve-as-a-diagnostic-aid-in-fibro-osseous-lesions-of-the-jaws
#16
Tom Shmuly, Dror M Allon, Marilena Vered, Gavriel Chaushu, Benjamin Shlomi, Ilana Kaplan
PURPOSE: Different lesions in the fibro-osseous group share microscopic features; thus, establishing a definitive diagnosis based on microscopic features alone can be a challenge. There is a need for additional microscopic tools to aid in differentiating these lesions. This study compared parameters related to vascularity among 3 lesions in the fibro-osseous group: fibrous dysplasia (FD), central ossifying fibroma (COF), and cemento-osseous dysplasia (COD). MATERIALS AND METHODS: This study was a cross-sectional analysis of biopsied lesions retrieved from 3 medical centers over a 14-year period...
November 24, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27922957/ossifying-fibroma-involving-three-quadrants-of-the-jaws-in-a-patient-with-vitamin-d-deficiency
#17
Adnan Kilinç, Tahsin Tepecik, Ertunç Dayi, Betül Gündoğdu
No abstract text is available yet for this article.
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27891263/coverage-root-after-removing-peripheral-ossifying-fibroma-5-year-follow-up-case-report
#18
Paulo S G Henriques, Luciana S Okajima, Marcelo P Nunes, Victor A M Montalli
When lesions in soft tissue reach the gingival margin, they can produce aesthetic defects during its permanence and after its removal. Periodontal plastic surgery allows the correction of the gingival contour using different techniques. This paper is a case report of a peripheral ossifying fibroma removal in the interproximal area of teeth 21 and 22 in addition to root coverage of the affected area through two surgical phases: keratinized gingival tissue augmentation surgery with free gingival graft concurrent with removal of the lesion and, in a second stage, root coverage by performing coronally advanced flap technique with a follow-up of five years...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27831973/conservative-management-of-central-cemento-ossifying-fibroma
#19
Pedro Henrique Silva Gomes-Ferreira, Leandro Carlos Carrasco, Danila de Oliveira, Járede Carvalho Pereira, Luis Fernando Azambuja Alcalde, Leonardo Perez Faverani
Central cemento-ossifying fibroma is characterized by the combined production of osteoid and cementoid tissue. Radiographically, this lesion is presented as an outlined cortical and variable radiopaque spots, also can be present complete radiolucent or different degrees of radiopacity. The recommended treatment is curettage or enucleation, and the recurrence rate is less than 5%. Considering that surgical treatment is invasive, mainly in large lesions, this study aims to report a patient in whom conservative treatment was carried out by involving the preservation of teeth, with a long-term follow-up...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27826699/a-unique-case-of-multiple-non-ossifying-fibromas-with-polyostotic-monomelic-distribution-and-aggressive-clinical-course
#20
Alessandro Corsi, Cristina Remoli, Mara Riminucci, Ernesto Ippolito, John Dimitriou
Multiple non-ossifying fibromas (MNOFs) occur either isolated or in association with other anomalies, are usually localized in the long bones of the lower limbs, may be radiographically confused with other skeletal lesions, and tend to heal spontaneously with the completion of the skeletal growth. Segmental distribution, either monomelic or polymelic and ipsilateral, is rare and commonly observed in the context of developmental diseases known as "RASopathies", which are caused by mutations in genes that encode components or regulators within the Ras/mitogen-activated protein kinase signaling pathway...
February 2017: Skeletal Radiology
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