Accessory Articulation of the Cervical Transverse Process: A Very Rare Anatomic Variant

Braspenningx, S; Simons, Philip

doi:10.5334/jbsr.1348

Cited by 8 publications

(4 citation statements)

References 3 publications

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“…1 Within the English literature, our searched identified four previous case reports of such phenomena at the C5-6 vertebral level 2–5 and only one report at the C6-7 level. 6 Although it may have been seen previously, to our knowledge, we are the first to report an accessary articulation of both C4 and C5 right transverse processes.…”

Section: Introductionmentioning

confidence: 51%

Accessory articulation of cervical vertebral transverse process: a rare case

Aslam

Tsang

et al. 2022

BJR|case reports

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There are several anatomical variants of the cervical vertebrae described in literature ranging from benign findings to those with varying clinical implications, including association with congenital diseases. We describe a case of an extremely rare anatomical variant of the cervical spine consisting of an accessory articulation of the cervical vertebrae C4 and C5 right transverse processes. The case is of a 35-year-old female who presented to primary care with six-week history of intermittent, dull neck pain. An X-ray of the cervical spine was obtained which did not demonstrate radiological evidence of an acute fracture, dislocation, nor vertebral collapse. However, the X-ray revealed subtle multi level anterior marginal osteophytic lipping. As a minor fragmented fracture or osteophytic growth could not be excluded; the patient proceeded to have a computed tomography of the cervical spine. This revealed an accessory articulation of both the C4 and C5 right transverse processes, an extremely rare anatomical variant. Our comparison of both X-ray and CT imaging modality results highlighted the importance of utilising computed tomography in identification in the accessory articulation anomaly, which aids in directing patient to appropriate care. Although similar cases may have been seen in clinical practice, to our knowledge there are no previously documented C4-5 accessory articulations in the literature.

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Section: Introductionmentioning

confidence: 51%

Accessory articulation of cervical vertebral transverse process: a rare case

Aslam

Tsang

et al. 2022

BJR|case reports

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“…1 Our search revealed five previously reported cases in the literature that mainly occurred at the C5/C6 articulation. 2–6 This is only the second case documented at the C6/C7 level. 2 …”

Section: Discussionmentioning

confidence: 84%

“…The costal portion of the transverse process may enlarge and elongate the anterior tubercle, giving rise to an unusual variant, an accessory articulation of the transverse processes, which is a form of the more common supernumery cervical rib. 2–4,6–9 …”

Section: Discussionmentioning

confidence: 99%

Accessory articulation of the cervical vertebrae transverse processes simulating a fracture: Incidental findings of an uncommon anatomical variant

Naidoo

Khan

2021

BJR|case reports

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Accessory articulation of the transverse processes of the cervical vertebrae is an extremely rare congenital anomaly. We present two cases of accessory articulation of the transverse processes of the left C5/C6 and C6/C7 cervical vertebrae. The articulation at C5/C6 was found in a 34-year-old male following a mob assault, the C6/C7 accessory articulation occurred in a 28-year-old female involved in a high velocity motor-vehicle accident. Cervical spine fractures were suspected in both cases. Recognition of this variant anatomy and differentiation from a fracture is important especially in an acute trauma setting to prevent unnecessary immobilization and inappropriate specialist referral of these patients. Our search revealed only five previously reported cases in the literature mostly occurring at the C5/C6 level. This is only the second case ever described at the C6/C7 level.

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“…Our literature search revealed six prior descriptions of such accessory articulations occurring between the C5 and C6 levels [2] , [3] , [4] , [5] , [6] , [7] . However, there have been only two previously reported cases of accessory articulations between the C6 and C7 levels [ 7 , 8 ]. In this report, we provide an additional description of an accessory articulation of the transverse processes at C6-C7.…”

Section: Introductionmentioning

confidence: 99%