Neonatal Spine Flashcards
Sonography of the spine is limited to babies under what age?
6 months
What is the most common indication of a spine ultrasound in peds?
Sacral dimples/sacral pit
What is another term for spina bifida?
Spinal dysraphism
How many vertebrae in a neonatal spine? What is the breakdown at each level?
33 total
C - 7
T- 12
L - 5
S - 5 fused
C - 4 fused
A vertebrae consists of what two main components?
Anterior body and posterior arch
What part of the vertebrae lacks a posterior arch and therefore, spinal cord does not pass through?
Coccyx
What is the weight bearing portion of the vertebrae? Which are the largest?
Anterior body and the lumbar is the largest
What part of the vertebrae form the posterior and lateral portion?
Vertebral arch
What portion of the vertebrae connects the transverse and spinous processes?
Laminae
What portion of the vertebrae connects the vertebral body to the transverse processes?
Pedicles
The spinal cord originates in the brain stem and typically terminates at the?
Conus medullaris/terminalis between L1 and L2
The conus gives way to a fibrous extension known as the?
Filum terminale
What is the filum terminale surrounded by?
Cauda equina - echogenic collection of nerve roots at the end of the spinal column
The filum terminale is an extension of what?
The pia mater
The filum terminale extends from what two landmarks?
From conus to the coccyx
