Results 11 to 20 of about 6,987 (215)

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

Benign Osteoblastoma of Maxilla: A Case Report Emphasizing the Histopathological Differential Diagnosis [PDF]

Journal of Clinical and Diagnostic Research, 2014
Benign osteoblastoma is a rare bone tumour characterized histologically by production of woven bone spicules, which are bordered by prominent osteoblasts. It mainly affects male teenagers and young adults.
Deepak Pandiar, Shameena P M, Saakshi Gulati, Vishal Singh Banyal, Amit Kumar   +4 more
doaj   +1 more source

Unusual Case of Painless Osteoblastoma of Rib: A Case Report with Review of Literature

Medical Journal of Dr. D.Y. Patil Vidyapeeth, 2023
Osteoblastoma is a rare benign bone tumor commonly located at spine and long bones. However, rib involvement has been reported less frequently. In this report, we describe a young adult female presenting with osteoblastoma of third rib, with the purpose ...
Advait A. Vaidya, Tejus V. Nagireddy, Samir Gupta, Pankaj Kshirsagar, Mangesh M. Londhe   +4 more
doaj   +1 more source

Osteoblastoma of the breast:An uncommon and easily overlooked location

Radiology Case Reports, 2021
Osteoblastoma is a rare benign osseous neoplasm that accounts for 1%–3% of all primary bone tumors. Osteoblastomas can involve any part of the skeleton, but mainly occurs in the spine and other long bones, rarely in extra-skeletal areas.
Lu Chen, Shu-hai Zhang, Xiao-min Tang, Cheng-cheng Ma, Li Yang, Zhi-zhen Gao   +5 more
doaj   +1 more source

Consensus recommendations in the management of jaw (gnathic) osteosarcoma. [PDF]

Cancer
Abstract Gnathic osteosarcoma (OS), which includes mandibular and maxillary jaw OSs, account for 6%–9% of OS. Single‐institutional and multi‐institutional retrospective studies, as well as population‐level databases, suggest that clinical differences exist among gnathic OS and OS of other sides, including other craniofacial OS.
Dietz MS, Davis LE, Prasad PK, Campbell SR, Reith JD, Olsen MR, Kilpatrick SE, Ku JA, Silver NL, Park EP, Tirtei E, Meazza C, Murphy ES, Mallory NC, Palmerini E, Kager L, Hol MLF, van Ewijk R, Lopez J, Elliott LA, Shepard DR, Gupta A, Trucco MM.   +22 more
europepmc   +2 more sources

Osteoblastoma of mandible in child: A case report

Journal of Pharmacy and Bioallied Sciences, 2020
Osteoblastoma is considered as a bone tumor, which is benign and arises from non-odontogenic epithelium. This condition is quite rare in children and very few cases of osteoblastoma are reported. The case report describes osteoblastoma affecting mandible
Sudhir Gonuguntla, Ravikiran Nama, C N Vanajakshi, Sharan Reddy Mandadi, Jhansi Reddy Madireddy   +4 more
doaj   +1 more source

Case Report: Multilevel Ossification of the Ligamentum Flavum in a Patient With Spinal Osteoblastoma

Frontiers in Surgery, 2022
IntroductionSpinal osteoblastomas are primary benign bone tumors most commonly presenting as diffuse back pain in young adults. Rarely, spinal osteoblastoma is associated with ossification of the ligamentum flavum (OLF), a form of ectopic bone formation,
Canada T. Montgomery, Stephen P. Miranda, Ernest Nelson, Katie Louka, MacLean Nasrallah, Paul J. Zhang, Joel Stein, Dmitriy Petrov   +7 more
doaj   +1 more source

Report of 3 cases of pediatric sinus osteomas with osteoblastoma-like features

Radiology Case Reports, 2020
Osteomas are one of the most common benign fibro-osseous lesions affecting the sinonasal tract. Rarely osteomas have osteoblastoma-like areas histologically, which are often misdiagnosed radiologically and pathologically as osteoblastomas.
Michael Evans, M.D., Nathan Priddy, M.D., Brandon Tran, M.D.   +2 more
doaj   +1 more source

Malignant osteoblastoma [PDF]

The Journal of Bone and Joint Surgery. British volume, 1976
The clinical, radiographic and pathological features are described of eight cases of a bone tumour which we propose to classify as "malignant osteoblastoma". It presents the characteristics of genuine osteoblastoma but of an aggressive pattern, with more abundant and often plump hyperchromatic nuclei, greater nuclear atypia, and numerous giant cells ...
F, Schajowicz, C, Lemos
openaire   +2 more sources

Computer navigation-guided transpedicular excision of L4 vertebral body osteoblastoma

Indian Spine Journal, 2023
Osteoblastoma is a benign bone tumor that accounts for 10% of all spinal tumors and mostly arises from the posterior spinal elements. Isolated vertebral body osteoblastoma is relatively rare and generally requires extensive surgery. We report a rare case
Karthik Ramachandran, Ashish Shankar Naik, Ajoy Prasad Shetty, Shanmuganathan Rajasekaran   +3 more
doaj   +1 more source