نتایج جستجو برای: osteoblastoma
تعداد نتایج: 561 فیلتر نتایج به سال:
Background: Osteoblastoma is one of the rarest primary benign bone tumors which accounts for 1% of all bone neoplasms and 3.5% of benign bone tumors, with the potential for local invasion and recurrence. Osteoblastoma is not homogeneous. Differences in histological details have led to the division of these lesions into subtypes. The histologic features in most cases are distinctive, there are v...
STUDY DESIGN A case report and review of previous literature are presented. OBJECTIVE AND BACKGROUND The objective of this manuscript was to report a case of destructive osteoblastoma with secondary aneurysmal bone cyst of cervical vertebra in a child, and discuss the pathogenesis of this disease. The combination of osteoblastoma and aneurysmal bone cyst in the cervical spine is rare in prima...
AIM To determine if the malignant transformation, as perceived histologically, in a case of osteoblastoma from the right femur, was also expressed as a quantitative change in nuclear DNA during tumour progression over five months. METHODS Nuclear DNA microdensitometry by computer image analysis was used to acquire relative DNA distribution patterns. Tissue had been removed on four separate oc...
A recurrent spinal tumor confidently diagnosed as osteoblastoma eventually terminated as a sclerosing osteoblastic which metastasised nine years after the onset of symptoms.
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