Results 11 to 20 of about 9,177 (236)

A complex histopathological challenge: suspicion of an osteoblastoma-like osteosarcoma arising from the second thoracic vertebra in a cat

BMC Veterinary Research, 2020
Background Reports of osteoblastic tumours are limited to a few case reports in veterinary medicine. Osteoblastoma-like osteosarcoma has been accepted by the World Health Organization as an intermediate form between an osteosarcoma and osteoblastoma ...
Felix Giebels, Franck Forterre, Simona Vincenti, Urs Geissbuehler, Monika M. Welle, Roy Pool, Sabina Soldati, Arianna Maiolini   +7 more
doaj   +2 more sources

Truncated FOS impairs osteogenic differentiation and induces prostaglandin and NFκB signalling in an in vitro cell-of-origin model for osteoid osteoma and osteoblastoma. [PDF]

J Pathol
Abstract Osteoid osteoma and osteoblastoma are non‐malignant bone‐forming tumours of the skeleton, characterised by the presence of irregular trabeculae of woven bone. Rearrangements in FOS, and less frequently FOSB, have recently been identified in osteoid osteoma and osteoblastoma.
Lam SW, Belova T, Franceschini N, van den Akker B, van IJzendoorn DG, Mikkers HM, Mei H, Cleton-Jansen AM, Kuijjer ML, Szuhai K, Bovée JV.   +10 more
europepmc   +2 more sources

Osteoblastoma

Archives of Pathology & Laboratory Medicine, 2010
Abstract Osteoblastoma is a rare benign bone tumor. Although the histologic features in most cases are distinctive, there are various permutations that make the diagnosis challenging. It can mimic a variety of other benign bone tumors, but more importantly, distinguishing it from osteoblastoma-like osteosarcoma can be difficult.
Felasfa M. Wodajo, Francis H. Gannon, Mark D. Murphey   +2 more
  +7 more sources

Patellar osteoblastoma: A case report and literature review [PDF]

Radiology Case Reports
An osteoblastoma is a benign bone tumor characterized by osteoblast proliferation that is more commonly diagnosed in young men during adolescence and youth.
Abdulrahman F. Alesawi, MBBS, Osamah H. Abualross, MBBS, Norah F. Alesawi, MBBS, Ramy S. Samargandi, MD   +3 more
doaj   +2 more sources

Multifocal Osteoblastoma of the Jaws: A Very Rare Case Report [PDF]

Journal of Dentistry, 2022
Osteoblastoma is a solitary benign bone-forming neoplasm, which comprises 1% of all primary bone tumors. Multifocal benign osteoblastoma of the jaws is very rare.
Mohammad Moshref, Alireza Modarresi, Negar Razzaghi   +2 more
doaj   +1 more source

Osteoblastoma of C2 vertebrae presented with lymphadenopathy and torticollis: Case report and review of literature

Interdisciplinary Neurosurgery, 2022
Osteoblastoma is a benign primary bone tumor. Previously, osteoblastoma has been reported to be associated with mild surrounding tissue edema. Herein, we report a case of osteoblastoma in a young boy with extensive surrounding edema, presenting as neck ...
Mohammad Samadian, Seyed Farzad Maroufi, Hooman Bahrami-Motlagh, Farahnaz Bidari Zerehpoosh, Shahrokh Khoshsirat, Armin Jafari   +5 more
doaj   +1 more source

Large skull osteoblastoma presented as aneurysmal bone cyst (ABC)

Neurosciences, 2023
Aneurysmal bone cysts (ABCs) are rare benign vascular bony lesions mostly encountered in young patients. These cysts can occur as primary lesions or, less frequently, secondary to other pathologies such as osteoblastomas.
Badriah Alsabbagh, A. Alessa, Hanan N Aljohani, Othman Alhammad   +3 more
semanticscholar   +1 more source

Osteoblastoma of the patella, a rare benign bone tumor with an uncommon site: A case report

Molecular and clinical oncology, 2023
Osteoblastoma is a rare, benign, bone-forming tumor that is frequently observed in the spine and long tubular bones. There are very few reports available on osteoblastoma of the patella.
Feng Li, Yong-jie Qiao, Sheng-hu Zhou, Xiaoyang Song, Haoqiang Zhang   +4 more
semanticscholar   +1 more source

Case report: Novel NIPBL-BEND2 fusion gene identified in osteoblastoma-like phosphaturic mesenchymal tumor of the fibula

Frontiers in Oncology, 2023
Phosphaturic mesenchymal tumor (PMT) is a rare tumor that secretes fibroblast growth factor 23 (FGF23) and causes hypophosphatemia and tumor-induced osteomalacia (TIO).
Tomohisa Sakai, Y. Okuno, Norihiro Murakami, Y. Shimoyama, S. Imagama, Y. Nishida   +5 more
semanticscholar   +1 more source

Osteoblastoma of the orbit: A rare case report and review of the literature

Oral and Maxillofacial Surgery Cases, 2023
Osteoblastoma is a benign tumor of bone representing less than 1% of all primary bone tumors [1]. Osteoblastomas are primarily reported in long bones and the spinal column, with craniofacial cases representing about 15% of the literature (Meli et al ...
Andrew C. Jenzer, Victoria Wickenheisser, Diana Marcella Cardona, David B. Powers   +3 more
doaj   +1 more source