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Unusual radiological presentation of intracranial dermoid cyst: A case series
Sunitha Palasamudram Kumaran1, Rakshith Srinivasa2, Nandita Ghosal3
1 Department of Radiology, Sri Sathya Sai Institute of Higher Medical Sciences, Bengaluru, Karnataka, India
2 Department of Neurosurgery, Sri Sathya Sai Institute of Higher Medical Sciences, Bengaluru, Karnataka, India
3 Department of Pathology, Sri Sathya Sai Institute of Higher Medical Sciences, Bengaluru, Karnataka, India
Correspondence Address:
Sunitha Palasamudram Kumaran,
Department of Radiology, Sri Sathya Sai Institute of Higher Medical Sciences, Epip Area, Whitefield, Bengaluru - 560 066, Karnataka
India
 Source of Support: None, Conflict of Interest: None DOI: 10.4103/ajns.AJNS_304_17
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Intracranial dermoids are rare congenital lesions of the brain that account for <1% of all intracranial tumors. Even though they are rare, typical computed tomography (CT) scan and magnetic resonance imaging (MRI) features along with location allow radiological diagnosis in the majority of patients. Radiologically, dermoid cysts typically appear as nonenhancing low-density masses on CT scan and are hyperintense on T1-weighted (T1-W) MRI sequences with variable signal on T2-W sequences. We describe two cases of dermoid with unusual imaging appearance with the presence of mural nodule in both the cases. The recognition of atypical radiological features can avoid diagnostic pitfalls and is clinically relevant for overall surgical management.
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