• Brian Y L Chan, Khurshid Z Merchant, Jennifer G C Teo, Chang Kenneth T E KTE Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore., Low David C Y DCY Department of Neurosurgery, National Neuroscience Institute, Singapore; Neurosurgical Service, KK Women's and Children's Hospital, Singapore; Singhealth, and Low Sharon Y Y SYY Department of Neurosurgery, National Neuroscience Institute, Singapore; Neurosurgical Service, KK Women's and Children's Hospital, Singapore; Singhealt.
• Department of Neurosurgery, National Neuroscience Institute, Singapore.
• World Neurosurg. 2020 May 1; 137: 247-251.

BackgroundMeningioangiomatosis is an extremely rare meningovascular disease of the central nervous system that is characterized by the proliferation of leptomeninges, cortical vessels, and perivascular spindled cells. Although it is a benign, neoplastic disorder that carries a good prognosis after surgical excision, initial diagnosis may be challenging as radiologic findings are often variable and nonspecific.Case DescriptionIn this report, we describe an unusual presentation of meningioangiomatosis presenting as a symptomatic middle cranial fossa arachnoid cyst.ConclusionsIn view of the unexpected diagnosis and infrequency of this condition, the case is discussed in collaboration with current literature and management strategies.Copyright © 2020 Elsevier Inc. All rights reserved.

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