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History: An 18-year-old woman presents with lower back pain and numbness in the left sciatic region.

1. What should be included in the differential diagnosis? (Choose all that apply.)

a. Persistent terminal ventricle (ventriculus terminalis)

b. Syringomyelia

e. Dermoid cyst

2. Ventriculus terminalis may be associated with all of the following malformations of the central nervous system except:

a. Chiari malformation

b. Myelomeningocele

c. Diastematomyelia

d. Spinal bifida

3. Which of the following MRI findings does not suggest a diagnosis of ventriculus terminalis?

a. Hypointense T1 signal

b. Hyperintense T2 signal

c. Rim enhancement after contrast agent administration

d. Well-defined margins

4. All of the following embryologic structures give rise to ventriculus terminalis except:

a. Lamina terminalis

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Tags: Spine Imaging Case Review Series

Feb 14, 2016 | Posted by admin in MUSCULOSKELETAL IMAGING | Comments Off

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