Intracranial benign fibrous histiocytomas: A case report and review
Department of Neurosurgery, Yale University School of Medicine, New Haven, CT, USA. Journal of Neuro-Oncology
(Impact Factor: 3.07).
12/2008; 92(2):203-9. DOI: 10.1007/s11060-008-9743-x
Fibrous histiocytomas are rare lesions, more commonly encountered in soft tissues and bones. They are uncommon as an intracranial lesion. Although there have been several reports about malignant fibrous histiocytomas, less is known about the benign variant of these intracranial tumors as they are often misclassified as other types of tumors. We describe a child who presented with seizure and was subsequently found to have a large temporal lesion. Pathology revealed benign fibrous histiocytoma. We also review other cases reported in the literature in an effort to provide further insight into the diagnosis and management of this rare tumor.
Available from: Vikram Singh
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ABSTRACT: Benign fibrous histiocytomas (BFH) are neoplasms of the soft tissue and bone composed of fibroblastic and histiocytic components without any nuclear pleomorphism or histological anapalsia. Primary intracranial fibrous histiocytomas are rare entities. In comparison with the malignant counterpart, BFH are more uncommon. We describe a case of a 54-year-old woman, who presented with complaints of headache, giddiness, and gait instability of six months' duration. Magnetic resonance imaging (MRI) studies revealed an extra-axial lesion in the inferior aspect of the left temporal lobe suggestive of en-plaque meningioma. Subsequent histopathological examination of the biopsy sample revealed a benign fibrous histiocytoma, with involvement of the overlying temporal bone. Immunohistochemical analysis showed positivity for vimentin and CD68, with MIB-1 labeling index (MIB-1LI) of 2%, confirming the diagnosis.
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