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Hydrosyringomyelia, case 2

 

Chiari malformation and hydromyelia

 

Clinical history
This 40-year-old female underwent CT and MRI for the radiological work-up of Ménières syndrome. At that time Chiari malformation and an associated hydromyelia were incidentally diagnosed. Subsequently neurological examination was positive only for discrete reduction of reflexes in the left hand. No other abnormalities were found. As this finding did not explain the clinical symptomatology and no major symptom related to this congenital malformation could be found, the patient was referred for serial MRI, without further treatment.
Sequential MRIs in 1992, 1993, 1994 show no evolution of the radiological anomalies at the cranio-cervical junction.

MRI
Image 1: Standard sagittal T1WI spin echo image.
Images 2 - 4: Sagittal 3D T1WI.
These thin sections nicely demonstrate the abnormally low position of the tonsils, as well as the intramedullary cavity.

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Fig. 1

Hydrosyringomyelia, case 2, Fig. 1
Hydrosyringomyelia, case 2, Fig. 2
Hydrosyringomyelia, case 2, Fig. 3
Hydrosyringomyelia, case 2, Fig. 4