Diagnostic Sonography

The neonatal coccyx should not be mistaken for a ______________.

The vascular membrane that closely covers the spinal cord is the ___________.

Identify the spinal structure that images as a hypoechoic structures located directly over the spinal canal.

Dilation of the central canal of the spinal cord is ________________.

Indications for spinal sonography include all of the following abnormalities except:

A transverse projection across the midline from the lowest palpable rib is _____.

Failure of the neural tube to fold and fuse in the midline results in a ___________.

The spinal cord tapers off into which one of the following?

The sacrum consists of _____ fused bones.

The spinal cord in the younger child ends at the upper border of the _______ lumbar vertebra.

Spina bifida with a portion of the spinal cord and membranes protruding is called _____________.

An anechoic mass in the cauda equina region is most likely which one of the following?

The lumbar peduncles are strong and directed ___________.

Pathologic fixation of the spinal cord in an abnormal caudal location is known as which one of the following?

A dimple may indicate a spinal abnormality if it is more than _____ from the anus.

The spinal cord is surrounded by three meninges, which include all of the following except:

A severe form of spinal bifida is called ___________________.

Which of the following structures are responsible for one fourth of the vertebral column's length?

Sonography is able to image the spinal cord because the:

The most important determination in ruling out tethered spinal cord is determining which one of the following?