Indian Journal of Radiology Indian Journal of Radiology  

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Year : 2002  |  Volume : 12  |  Issue : 2  |  Page : 271-273
Unilocular primary spinal extradural hydatid cyst-MR appearance

Department of Radiology and Imaging, University College of Medical Sciences and GTB Hospital, Shahadara Delhi-110095, India

Correspondence Address:
S Gupta
E-3, GTB Hospital Campus, Dilshad Garden, Delhi 110 095
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Source of Support: None, Conflict of Interest: None

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Primary extradural hydatid disease of the spine is a very rare condition. A 9 year old boy presented to the hospital with paraplegia of sudden onset. MRI study revealed an oval, unilocular, well-defined extradural cyst posterior to the thecal sac opposite to D4-D6 vertebrae in the middle. it was hypointense on T1W and uniformly hyperintense on T2W images. An operation was performed and histopathological findings confirmed the diagnosis of a hydatid cyst. Primary extradural hydatid disease should be considered in the differential diagnosis of a unilocular extradural cyst on MRI.

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