Osseous arch connecting retroglenoid tubercle with posterior C1 arch
Latin: Little posterior bridge
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
DIAGNOSTIC CHECKLIST
Consider
Selected References
Arslan D et al: The ponticulus posticus as risk factor for screw insertion into the first cervical lateral mass. World Neurosurg. 113:e579-85, 2018
Lo Giudice A et al: Frequency and type of ponticulus posticus in a longitudinal sample of nonorthodontically treated patients: relationship with gender, age, skeletal maturity, and skeletal malocclusion. Oral Surg Oral Med Oral Pathol Oral Radiol. 126(3):291-7, 2018
Lukianchikov V et al: Minimally invasive surgical treatment for vertebral artery compression in a patient with one-sided ponticulus posticus and ponticulus lateralis. World Neurosurg. 117:97-102, 2018
Saleh A et al: How common is the ponticulus posticus?: A computed tomography based analysis of 2917 patients. Spine (Phila Pa 1976). 43(8):E436-41, 2018
Sanchis-Gimeno JA et al: The decreasing prevalence of the arcuate foramen. World Neurosurg. 110:521-5, 2018
Giri J et al: How common is ponticulus posticus on lateral cephalograms? BMC Res Notes. 10(1):172, 2017
Pękala PA et al: Prevalence of foramen arcuale and its clinical significance: a meta-analysis of 55,985 subjects. J Neurosurg Spine. 27(3):276-90, 2017
Song MS et al: Ponticulus posticus: morphometric analysis and Its anatomical Implications for occipito-cervical fusion. Clin Neurol Neurosurg. 157:76-81, 2017
Tambawala SS et al: Prevalence of ponticulus posticus on lateral cephalometric radiographs, its association with cervicogenic headache and a review of literature. World Neurosurg. 103:566-75, 2017
Bayrakdar IS et al: Cone beam computed tomography imaging of ponticulus posticus: prevalence, characteristics, and a review of the literature. Oral Surg Oral Med Oral Pathol Oral Radiol. 118(6):e210-9, 2014
OʼDonnell CM et al: Vertebral artery anomalies at the craniovertebral junction in the US population. Spine (Phila Pa 1976). 39(18):E1053-7, 2014
Lee SH et al: Posterior C1-2 fusion using a polyaxial screw/rod system for os odontoideum with bilateral persistence of the first intersegmental artery. J Neurosurg Spine. 14(1):10-3, 2011
Mellado JM et al: MDCT of variations and anomalies of the neural arch and its processes: part 2--articular processes, transverse processes, and high cervical spine. AJR Am J Roentgenol. 197(1):W114-21, 2011
Greiner HM et al: Rotational vertebral artery occlusion in a child with multiple strokes: a case-based update. Childs Nerv Syst. 26(12):1669-74, 2010
Koutsouraki E et al: Kimmerle's anomaly as a possible causative factor of chronic tension-type headaches and neurosensory hearing loss: case report and literature review. Int J Neurosci. 120(3):236-9, 2010
Sharma V et al: Prevalence of ponticulus posticus in Indian orthodontic patients. Dentomaxillofac Radiol. 39(5):277-83, 2010
Kim KH et al: Prevalence and morphologic features of ponticulus posticus in Koreans: analysis of 312 radiographs and 225 three-dimensional CT scans. Asian Spine J. 1(1):27-31, 2007
Cakmak O et al: Arcuate foramen and its clinical significance. Saudi Med J. 26(9):1409-13, 2005
Young JP et al: The ponticulus posticus: implications for screw insertion into the first cervical lateral mass. J Bone Joint Surg Am. 87(11):2495-8, 2005
Cushing KE et al: Tethering of the vertebral artery in the congenital arcuate foramen of the atlas vertebra: a possible cause of vertebral artery dissection in children. Dev Med Child Neurol. 43(7):491-6, 2001
Wight S et al: Incidence of ponticulus posterior of the atlas in migraine and cervicogenic headache. J Manipulative Physiol Ther. 22(1):15-20, 1999
Osseous arch connecting retroglenoid tubercle with posterior C1 arch
Latin: Little posterior bridge
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
DIAGNOSTIC CHECKLIST
Consider
Selected References
Arslan D et al: The ponticulus posticus as risk factor for screw insertion into the first cervical lateral mass. World Neurosurg. 113:e579-85, 2018
Lo Giudice A et al: Frequency and type of ponticulus posticus in a longitudinal sample of nonorthodontically treated patients: relationship with gender, age, skeletal maturity, and skeletal malocclusion. Oral Surg Oral Med Oral Pathol Oral Radiol. 126(3):291-7, 2018
Lukianchikov V et al: Minimally invasive surgical treatment for vertebral artery compression in a patient with one-sided ponticulus posticus and ponticulus lateralis. World Neurosurg. 117:97-102, 2018
Saleh A et al: How common is the ponticulus posticus?: A computed tomography based analysis of 2917 patients. Spine (Phila Pa 1976). 43(8):E436-41, 2018
Sanchis-Gimeno JA et al: The decreasing prevalence of the arcuate foramen. World Neurosurg. 110:521-5, 2018
Giri J et al: How common is ponticulus posticus on lateral cephalograms? BMC Res Notes. 10(1):172, 2017
Pękala PA et al: Prevalence of foramen arcuale and its clinical significance: a meta-analysis of 55,985 subjects. J Neurosurg Spine. 27(3):276-90, 2017
Song MS et al: Ponticulus posticus: morphometric analysis and Its anatomical Implications for occipito-cervical fusion. Clin Neurol Neurosurg. 157:76-81, 2017
Tambawala SS et al: Prevalence of ponticulus posticus on lateral cephalometric radiographs, its association with cervicogenic headache and a review of literature. World Neurosurg. 103:566-75, 2017
Bayrakdar IS et al: Cone beam computed tomography imaging of ponticulus posticus: prevalence, characteristics, and a review of the literature. Oral Surg Oral Med Oral Pathol Oral Radiol. 118(6):e210-9, 2014
OʼDonnell CM et al: Vertebral artery anomalies at the craniovertebral junction in the US population. Spine (Phila Pa 1976). 39(18):E1053-7, 2014
Lee SH et al: Posterior C1-2 fusion using a polyaxial screw/rod system for os odontoideum with bilateral persistence of the first intersegmental artery. J Neurosurg Spine. 14(1):10-3, 2011
Mellado JM et al: MDCT of variations and anomalies of the neural arch and its processes: part 2--articular processes, transverse processes, and high cervical spine. AJR Am J Roentgenol. 197(1):W114-21, 2011
Greiner HM et al: Rotational vertebral artery occlusion in a child with multiple strokes: a case-based update. Childs Nerv Syst. 26(12):1669-74, 2010
Koutsouraki E et al: Kimmerle's anomaly as a possible causative factor of chronic tension-type headaches and neurosensory hearing loss: case report and literature review. Int J Neurosci. 120(3):236-9, 2010
Sharma V et al: Prevalence of ponticulus posticus in Indian orthodontic patients. Dentomaxillofac Radiol. 39(5):277-83, 2010
Kim KH et al: Prevalence and morphologic features of ponticulus posticus in Koreans: analysis of 312 radiographs and 225 three-dimensional CT scans. Asian Spine J. 1(1):27-31, 2007
Cakmak O et al: Arcuate foramen and its clinical significance. Saudi Med J. 26(9):1409-13, 2005
Young JP et al: The ponticulus posticus: implications for screw insertion into the first cervical lateral mass. J Bone Joint Surg Am. 87(11):2495-8, 2005
Cushing KE et al: Tethering of the vertebral artery in the congenital arcuate foramen of the atlas vertebra: a possible cause of vertebral artery dissection in children. Dev Med Child Neurol. 43(7):491-6, 2001
Wight S et al: Incidence of ponticulus posterior of the atlas in migraine and cervicogenic headache. J Manipulative Physiol Ther. 22(1):15-20, 1999
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