Abstract
Intraosseous cavernous hemangiomas of the skull are rare. Meningiomas are quite frequently encountered in a neurosurgical practice. The association between these two entities is nevertheless very uncommon. The authors present a case of a 72-year-old woman suffering from headache. The MRI showed a parietal meningioma with adjacent thick bone. The meningioma and the bone were removed. The histological examination confirmed the diagnosis of meningioma and revealed a cavernoma of the skull. The relationship between the lesions suggests more than a coincidental association. Several hypotheses are proposed to explain common causal connections.
Highlights
Primary intraosseous cavernous hemangiomas (PICH) are benign tumors arising from intrinsic vasculature of the bone [1]
Histologic examination of the bone revealed bone trabeculae widely separated by loose connective tissue enclosing multiple thin-walled vascular spaces lined by endothelial cells, suggesting cavernous hemangioma of the skull (Figure 2(a))
We report the first case of a calvarial cavernous hemangioma located nearby a meningioma
Summary
Primary intraosseous cavernous hemangiomas (PICH) are benign tumors arising from intrinsic vasculature of the bone [1]. Intraosseous hemangiomas are classified as venous, cavernous, or capillary type according to their vascular network. They most commonly occur in spinal vertebral column. They are rarely seen in the calvarium and account for only 10% of all benign skull tumors [2]. Meningiomas are benign tumors frequently encountered in the neurosurgical practice. The development of a calvarial cavernous hemangioma and a meningioma in the same region has never been reported to date. We present a case in which this unusual association was found
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