Congenital Absence of Lumbar Articular Facets with Computerized Axial Tomography Documentation

Phillips, Mark; Keagy, Robert D.

doi:10.1097/00007632-198806000-00014

Cited by 7 publications

(5 citation statements)

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“…However, despite these findings the disorder has been described in the human literature. The majority of people affected have pain in the lower back or hip (Pellegrini and Hardy 1983, Segal and Franchi 1986, Phillips and Keagy 1988. In some cases the radiographic anomaly was initially misinterpreted as a destructive or neoplastic lesion (Klinghoffer and others 1975).…”

Section: Discussionmentioning

confidence: 99%

Dysplasia of the caudal vertebral articular facets in four dogs: results of radiographic, myelographic and magnetic resonance imaging investigations

et al. 2005

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Congenital anomalies of the vertebral column associated with aberrations of one of the primary vertebral ossification centres have been frequently described in the veterinary literature, but clinically significant abnormalities of secondary vertebral ossification centres, particularly involving the caudal articular processes, are much less frequently reported. This paper describes three dogs with aplasia and one dog with hypoplasia of the caudal vertebral articular processes. Thoracolumbar spinal cord compression and ataxia was evident in the three dogs with aplasia but no clinical signs were evident in the dog with hypoplasia. The radiographic appearance was similar in all four cases, with aplasia or hypoplasia of the caudal articular facets at one or more intervertebral joints in the thoracolumbar region. Bone proliferation was evident secondary to an associated degenerative joint disease. Compensatory hyperplasia of the adjacent cranial articular facets and ligamentum flavum protruded into the vertebral canal, resulting in a compressive myelopathy observed by myelography and magnetic resonance imaging.

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Section: Discussionmentioning

confidence: 99%

Dysplasia of the caudal vertebral articular facets in four dogs: results of radiographic, myelographic and magnetic resonance imaging investigations

et al. 2005

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“…The congenital defect of the lumbar facet joint is a rare medical abnormality. There have been only 33 recorded cases since 1950 1,3–20 . (Table 1).…”

Section: Discussion and Literature Reviewmentioning

confidence: 99%

“…There have been only 33 recorded cases since 1950. 1 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 (Table 1 ). The disease affects individuals who have a mean age of 34.4 ± 15.0 years, with roughly equal proportions of males and females.…”

Section: Discussion and Literature Reviewmentioning

confidence: 99%

Classification of the Congenital Defect of the Lumbar Facet Joint: Case Report and Literature Review

Wang,

Lin,

Zhao

et al. 2024

Orthopaedic Surgery

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BackgroundCongenital lumbar facet joint defect is a rare congenital developmental disorder with only a few reported cases in the literature, primarily affecting the L5‐S1 segments. This study reports the first case of a defect in the left L3 inferior articular process; and presents a review of the existing literature on the subject, proposes a classification system, and validates the inter‐observer and intra‐observer reliability of this classification system.Case PresentationA 14‐year‐old boy presented to our orthopedic clinic with persistent lower back pain for 1 month. Imaging analysis, including CT scans, 3D reconstruction, and MRI, revealed a congenital lumbar facet joint defect at the L3 level, which has not been reported. Conservative treatment resulted in a significant improvement in his symptoms, and he is currently under follow‐up care.ConclusionCongenital defect of the lumbar facet joint is a rare spinal condition. This article reports the first patient with a defect in the left L3 inferior articular process and conducts a comprehensive literature review, proposing a classification of articular process defects into five types. The two most common types are Types B and C. We have demonstrated that this system is reliable and reproducible and have described the treatment of each type.

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“…The exact etiology is still unknown but the accepted explanation is as follows: there are three primary ossification centers in each vertebra: two centers in the neural arches and one center in the vertebral body. The facet defect is thought to be caused by failure of these ossification processes during fetal life [4–6]. It is postulated that this failure is due to insufficient blood supply during fetal life [4].…”

Section: Discussionmentioning

confidence: 99%

Isolated Congenital Absence of Lumbosacral Facet Joint

Maalouly

Aouad

Nour

et al. 2019

Case Reports in Orthopedics

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A congenital absence of the lumbar facet joint is a rare reported condition. This is the case of a 32-year-old male patient presenting with severe low back pain radiating to his right lower limb. Physical examination revealed no motor deficits, but right lower limb numbness was reported over dorsum aspect of the right foot. No other sensory or motor disturbances were reported or found on exam. Imaging studies, consisting of a spine MRI and spine CT scan with 3D reconstruction, revealed the absence of the right L5-S1 zygapophyseal joint. The patient was treated conservatively with resolution of his symptoms on one-month follow-up.

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Congenital Absence of Lumbar Articular Facets with Computerized Axial Tomography Documentation

Cited by 7 publications

References 0 publications

Dysplasia of the caudal vertebral articular facets in four dogs: results of radiographic, myelographic and magnetic resonance imaging investigations

Dysplasia of the caudal vertebral articular facets in four dogs: results of radiographic, myelographic and magnetic resonance imaging investigations

Classification of the Congenital Defect of the Lumbar Facet Joint: Case Report and Literature Review

Isolated Congenital Absence of Lumbosacral Facet Joint

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