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KMID : 1103720220830030719
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Journal of the Korean Society of Radiology
2022 Volume.83 No. 3 p.719 ~ p.723
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Isolated Intracranial Rosai?Dorfman Disease Mimicking Meningioma: A Case Report
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Shin Min-Ji
Heo Young-Jin
Kim Dong-Hyun
Jeong Hae-Woong
Park Ha-Young
Baek Jin-Wook
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Abstract
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Rosai?Dorfman Disease (RDD) is a rare lymphoproliferative disease, and the occurrence of isolated intracranial RDD is extremely rare. Most cases of intracranial RDDs present as dural masses showing homogenous enhancement on MRI, which makes it difficult to differentiate these masses from meningiomas before surgery unless massive cervical lymphadenopathy is observed. We herein report a rare case of isolated intracranial RDD in a 65-year-old male. Brain MRI revealed a well-defined enhancing mass-like lesion involving the right frontal convexity and subtle diffusion restriction. However, only a subtle blush was observed on the preoperative cerebral angiogram. Although instances of isolated intracranial RDD are rare, it should be considered as a potential differential diagnosis when a dural mass with hypovascularity is visualized on the cerebral angiogram.
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KEYWORD
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Angiography, Dura Mater, Magnetic Resonance Imaging, Meningioma, Rosai?Dorfman Disease
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