Abstract
Two cases of intracranial adenoid cystic carcinoma mimicking meningioma are reported. In one, MRI showed not only a homogeneously enhancing extra-axial tumour attached to the dura mater of the posterior cranial fossa, but also surrounding dural enhancement, the “dural tail sign”. In the second, CT demonstrated a well-demarcated enhancing extra-axial tumour, indistinguishable from a sphenoid ridge meningioma extending into the orbit. The neuroradiological features of intracranial adenoid cystic carcinoma may thus closely resemble those of meningioma.
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Morioka, T., Matsushima, T., Ikezaki, K. et al. Intracranial adenoid cystic carcinoma mimicking meningioma: report of two cases. Neuroradiology 35, 462–465 (1993). https://doi.org/10.1007/BF00602833
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DOI: https://doi.org/10.1007/BF00602833