Spinous process/lamina unfused in midline without underlying neural or dural abnormality
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
Goto T et al: An adolescent athlete with low back pain associated with spina bifida occulta at the thoracolumbar junction : a case report. J Med Invest. 66(1.2):199-200, 2019
Sakai T et al: Bony healing of discontinuous laminar stress fractures due to contralateral pars defect or spina bifida occulta. Spine Surg Relat Res. 3(1):67-70, 2019
Urrutia J et al: Does the prevalence of spondylolysis and spina bifida occulta observed in pediatric patients remain stable in adults? Clin Spine Surg. 30(8):E1117-21, 2017
Hama S et al: Sacral fatigue fractures in children with sacral spina bifida occulta. J Pediatr Orthop B. 25(3):278-82, 2016
Kurt EE et al: Are transitional vertebra and spina bifida occulta related with lumbar disc herniation and clinical parameters in young patients with chronic low back pain? Eurasian J Med. 48(3):177-80, 2016
Babbi L et al: Spina bifida occulta in high grade spondylolisthesis. Eur Rev Med Pharmacol Sci. 18(1 Suppl):8-14, 2014
Urrutia J et al: Spondylolysis and spina bifida occulta in pediatric patients: prevalence study using computed tomography as a screening method. Eur Spine J. 25(2):590-5, 2014
Shin SH et al: Spina bifida occulta: not to be overlooked in children with nocturnal enuresis. Int J Urol. 20(8):831-5, 2013
Healy KA et al: Occult spinal dysraphism and urolithiasis: are patients at higher risk of stone disease? J Endourol. 21(11):1293-6, 2007
Karacan I et al: Facet angles in lumbar disc herniation: their relation to anthropometric features. Spine (Phila Pa 1976). 29(10):1132-6, 2004
Frymoyer et al: The Adult Spine. Vol 2. 2nd ed. Philadelphia, Lippincott-Raven. 1923-26, 1997
Avrahami E et al: Spina bifida occulta of S1 is not an innocent finding. Spine. 19(1):12-5, 1994
Murtagh FR et al: The role and incidence of facet tropism in lumbar spine degenerative disc disease. J Spinal Disord. 4(1):86-9, 1991
Boone D et al: Spina bifida occulta: lesion or anomaly? Clin Radiol. 36(2):159-61, 1985
Related Anatomy
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
Spina bifida occulta is outdated term
Definitions
Spinous process/lamina unfused in midline without underlying neural or dural abnormality
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
Goto T et al: An adolescent athlete with low back pain associated with spina bifida occulta at the thoracolumbar junction : a case report. J Med Invest. 66(1.2):199-200, 2019
Sakai T et al: Bony healing of discontinuous laminar stress fractures due to contralateral pars defect or spina bifida occulta. Spine Surg Relat Res. 3(1):67-70, 2019
Urrutia J et al: Does the prevalence of spondylolysis and spina bifida occulta observed in pediatric patients remain stable in adults? Clin Spine Surg. 30(8):E1117-21, 2017
Hama S et al: Sacral fatigue fractures in children with sacral spina bifida occulta. J Pediatr Orthop B. 25(3):278-82, 2016
Kurt EE et al: Are transitional vertebra and spina bifida occulta related with lumbar disc herniation and clinical parameters in young patients with chronic low back pain? Eurasian J Med. 48(3):177-80, 2016
Babbi L et al: Spina bifida occulta in high grade spondylolisthesis. Eur Rev Med Pharmacol Sci. 18(1 Suppl):8-14, 2014
Urrutia J et al: Spondylolysis and spina bifida occulta in pediatric patients: prevalence study using computed tomography as a screening method. Eur Spine J. 25(2):590-5, 2014
Shin SH et al: Spina bifida occulta: not to be overlooked in children with nocturnal enuresis. Int J Urol. 20(8):831-5, 2013
Healy KA et al: Occult spinal dysraphism and urolithiasis: are patients at higher risk of stone disease? J Endourol. 21(11):1293-6, 2007
Karacan I et al: Facet angles in lumbar disc herniation: their relation to anthropometric features. Spine (Phila Pa 1976). 29(10):1132-6, 2004
Frymoyer et al: The Adult Spine. Vol 2. 2nd ed. Philadelphia, Lippincott-Raven. 1923-26, 1997
Avrahami E et al: Spina bifida occulta of S1 is not an innocent finding. Spine. 19(1):12-5, 1994
Murtagh FR et al: The role and incidence of facet tropism in lumbar spine degenerative disc disease. J Spinal Disord. 4(1):86-9, 1991
Boone D et al: Spina bifida occulta: lesion or anomaly? Clin Radiol. 36(2):159-61, 1985
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