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At the time the article was created Ali Alsmair had no recorded disclosures.View Ali Alsmair's current disclosures
At the time the article was last revised Ammar Ashraf had no financial relationships to ineligible companies to disclose.View Ammar Ashraf's current disclosures
Dragonfly sign describes the appearance of the cerebellum on coronal images, which is seen secondary to cerebellar atrophy in pontocerebellar hypoplasia 1.
The sign is so called as the whole cerebellum resembles the shape of a dragonfly if one imagines the vermis is the body of the insect and the cerebellar hemispheres are the wings 2.
- 2. Bosemani T, Orman G, Boltshauser E, Tekes A, Huisman T, Poretti A. Congenital Abnormalities of the Posterior Fossa. Radiographics. 2015;35(1):200-20. doi:10.1148/rg.351140038 - Pubmed