Medicine has many vividly named signs. We have compiled a list of radiological cerebral signs inspired by phenomena in outer space. These range from the well-known ‘starry sky’ appearance of neurocysticercosis or tuberculomas, to various lesser known signs including the ‘starfield’ pattern of fat embolism; ‘sunburst’ sign of meningiomas; ‘eclipse’ sign of neurosarcoidosis; ‘comet tail’ sign of cerebral metastases; ‘Milk Way’ sign of progressive multifocal leukoencephalopathy; ‘satellite’ and ‘black hole’ sign of intracranial haemorrhage; ‘crescent’ sign of arterial dissection and ‘crescent moon’ sign of Hirayama disease.
- ARTERIAL DISSECTION
- INFECTIOUS DISEASES
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All data relevant to the study are included in the article or uploaded as online supplemental information.
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Contributors All authors contributed towards drafting, editing and proof reading the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned. Externally peer reviewed by Sian Ebden, Cardiff, UK.