Results 11 to 20 of about 37,393 (248)

A case of primary osteosarcoma in the occipital bone: A relatively common tumor in an uncommon location [PDF]

open access: yesActa Radiologica Open
Osteosarcomas predominantly manifest in the long bones of the extremities, with rare occurrences in the skull. A case involving of a 53-year-old female who presented to the authors’ hospital for examination due to dizziness was incidentally found to have
Kezhou Xing   +3 more
doaj   +2 more sources

Surface bone histology of the occipital bone in humans and chimpanzees [PDF]

open access: yesThe Anatomical Record Part B: the New Anatomist, 2005
AbstractHuman and chimpanzee occipital bones are thought to grow and develop in distinctly opposite bone remodeling patterns. Preliminary research examining growth‐remodeling fields (GRFs) from the surfaces of the occipital bone in modern humans and chimpanzee indicates this may not be entirely correct.
exaly   +3 more sources

Comparison of structural occipital and iliac bone grafts for instrumented atlantoaxial fusions in pediatric patients: Radiologic research and clinical outcomes

open access: yesFrontiers in Surgery, 2023
BackgroundStructural autografts harvested from the iliac bone have been used in atlantoaxial fusion; they have been the gold standard for years. However, emerging occipital bone grafts have the advantage of avoiding donor-site morbidity and complications.
Zhi-Hui Liang   +5 more
doaj   +1 more source

Desmoplastic fibroma of the occipital bone in adult female: A case report

open access: yesInterdisciplinary Neurosurgery, 2021
Desmoplastic fibroma is a primary locally aggressive bone tumor which is exceedingly rare in the cranial bones. We report the first case of occipital bone desmoplastic fibroma.
Mohamed Kh. Elbadawy   +2 more
doaj   +1 more source

Incidence of Inca Bones among Dry Human Skull Bones: A Study in the Medical Colleges of a District in Southern India [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery, 2020
Introduction: The occipital bone in the human skull consists of two parts -supraoccipital and interparietal part. Sometimes the interparietal portion of the occipital bone remains separated from the supraoccipital part by a transverse suture, resulting ...
Anusha Donapudi, Borra Vijayanirmala
doaj   +1 more source

Malignant hemangioendothelioma of occipital bone [PDF]

open access: yesChinese Journal of Cancer Research, 2012
Epithelioidhemangioendothelioma is a rare vascular tumor of bone, and rarely these lesions can present as unique and extremely aggressive tumor. We report a case of highly aggressive epithelioidhemangioendothelioma and discuss the imaging findings. CT brain plain study revealed a poorly-defined, mixed density expansile and lytic lesion involving the ...
Agrawal, Amit   +3 more
openaire   +2 more sources

Occipitocervical Revision Surgery Using the Bicortical Screw and Plate System for Failed Craniovertebral Junction Stabilization

open access: yesOrthopaedic Surgery, 2022
Background To evaluate the clinical efficacy and safety of the modified technique utilizing the occipital bicortical screws and plate system in occipitocervical revision surgery.
Yan Sun   +7 more
doaj   +1 more source

Osteoclastoma of occipital bone

open access: yesYonsei Medical Journal, 1991
Osteoclastoma of the calvarial bone of membranous origin is a rare entity. This paper presents a case of osteoclastoma of the occipital bone and a brief review of literature.
V, Sharma, G, Newton
openaire   +2 more sources

Occipital neuralgia as the presenting symptom of osteoblastoma

open access: yesPAMJ Clinical Medicine, 2020
Osteoblastoma is an uncommon benign bone tumor. which accounts for approximately 1% of all primary bone tumors. It is commonly seen in the long tubular bones and in the vertebral column, It is rarely found in the calvarium. The tumor has a preference for
Hassan Baallal, Ali Akhaddar
doaj   +1 more source

Quantitative anatomy of primary ossification centres of the lateral and basilar parts of the occipital bone in the human foetus

open access: yesFolia Morphologica, 2021
BACKGROUND: Computed tomography (CT)-based quantitative analysis of primary ossification centres in the cranium has not been carried out to date due to the limited availability of the foetal human material.
M. Grzonkowska   +5 more
doaj   +1 more source

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