Spina bifida occulta

Case contributed by Dr Jose Ignacio Aragon


Asymptomatic patient came for a pre-employment evaluation.

Patient Data

Age: 33 years
Gender: Male

Lumbosacral Spine

Failure of closure of the vertebral arch at the level of L5.

Case Discussion

Spina bifida occulta is a congenital malformation, consisting of a defect in the closure of the vertebral arch. It is the mildest form of spina bifida, and usually asymptomatic.

This defect in the vertebral arch is the result of the failure of the embryonic halves of the neural arch to grow together and fuse in the midline.

Occurs in about L5 or S1 vertebrae in ~10% of otherwise normal people.

Coauthor of this case include Dr Jose R Zuniga.

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Case information

rID: 44116
Published: 7th Apr 2016
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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