Hong Kong Med J 2013;19:80–1 | Number 1, February 2013
An uncommon mimic of spontaneous subarachnoid haemorrhage
Rebecca YT Ng, Deyond YW Siu, George KC Wong, HK Ng, WS Poon
Division of Neurosurgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
We here presented a rare disease entity with a clinical presentation mimicking aneurysmal subarachnoid haemorrhage. A 43-year-old woman presented with a 1-week history of neck pain and dizziness. Computed tomography of brain showed communicating hydrocephalus and subarachnoid hyperintensity suspicious of previous subarachnoid haemorrhage. Investigations revealed no underlying vascular lesion and leptomeningeal biopsy showed diffuse melanocytosis. We go on to discuss the diagnostic features and clinical course of this entity.
Key words: Melanoma; Melanosis; Meningeal neoplasms; Subarachnoid hemorrhage
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