The anatomy of the carotico-clinoid foramen and its relation with the internal carotid artery

Özdoğmuş, Ömer; Saka, Erdi̇nç; Tülay, Cumhur Murat; Gürdal, Esra; Üzün, İbrahim; Çavdar, Safiye

doi:10.1007/s00276-003-0111-4

Cited by 49 publications

(40 citation statements)

References 15 publications

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“…The presence of an ossifi ed CCL is likely to cause compression and straightening of the internal carotid artery. 3 In the present case, the clinical history of the patient was not available to corroborate this observation.…”

Section: Discussionmentioning

confidence: 68%

Ossification of caroticoclinoid ligament and its clinical importance in skull-based surgery

2007

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CONTEXT:The medial end of the posterior border of the sphenoid bone presents the anterior clinoid process (ACP), which is usually accessed for operations involving the clinoid space and the cavernous sinus. The ACP is often connected to the middle clinoid process (MCP) by a ligament known as the caroticoclinoid ligament (CCL), which may be ossifi ed, forming the caroticoclinoid foramen (CCF). Variations in the ACP other than ossifi cation are rare. The ossifi ed CCL may have compressive effects on the internal carotid artery. Thus, anatomical and radiological knowledge of the ACP and the clinoid space is also important when operating on the internal carotid artery. Excision of the ACP may be required for many skull-based surgical procedures, and the presence of any anomalies such as ossifi ed CCL may pose a problem for neurosurgeons. CASE REPORT:We observed the presence of ossifi ed CCL in a skull bone. A detailed radiological study of the CCL and the CCF was conducted. Morphometric measurements were recorded and photographs were taken. The ACP was connected to the MCP and was converted into a CCF. Considering the fact that standard anatomy textbooks do not provide morphological descriptions and radiological evaluations of the CCL, the present study may be important for neurosurgeons operating in the region of the ACP.

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Section: Discussionmentioning

confidence: 68%

Ossification of caroticoclinoid ligament and its clinical importance in skull-based surgery

2007

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“…Similarly, certain ligaments which connect the different parts of the sphenoid bone occasionally ossify such as the pterygospinous (between the lateral pterygoid plate and the spine of sphenoid), the interclinoid (between the anterior and posterior clinoid processes) and the carotico clinoid (between the anterior and middle clinoid processes) [4].…”

Section: Discussionmentioning

confidence: 99%

An Osteological Study of Ossified Carotico-Clinoid Ligaments as Potential Risk for Internal Carotid Artery Compression

Gupta¹,

Afroze²,

Rajasekaran³

2017

IJAR

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Introduction: Knowledge of morphological structure such as anterior clinoid process and the middle clinoid process is essential during the surgical approach of the cavernous sinus and internal carotid artery. In addition, osseous variations such as ossified interclinoid and carotico clinoid ligament are significant in clinical practice because they can produce various neurological disturbances or block the passage of an internal carotid artery which changes its direction and runs medially out of the cavernous sinus through the osseous bar. The aim of the present study was to evaluate the incidence of the ossified carotico clinoid ligament in Bengal population.

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“…Kim et al 37 suggested that if interclinoid bars are present extending from anterior clinoid process, then combined extra and intradural approach should be adopted for removal of anterior clinoid process. The existence of Type I interclinoid bony bar or carotico-clinoid foramen may cause compression, tightening or stretching of the internal carotid artery 23 .…”

Section: Resultmentioning

confidence: 99%

Incidence Of Ossified Interclinoid Bars In Dry Human Skulls Of Gujarat State

Kanjiya

Tandel

Patel

et al. 2013

Int J of Biomed & Adv Res

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A group of intrinsic ligaments of the sphenoid bone which connect the anterior, middle & posterior clinoid processes occasionally get ossified and give rise to various types of ossified interclinoid bars. In present study the incidence of various types of ossified interclinoid bars were observed in 200 dry human skulls of unknown age & sex belonging to department of Anatomy of various Medical Colleges of Gujarat region. The interclinoid bars are classified on the basis of two classifications, proposed by Rani Archana et al and Keyers. Rani Archana et al, classified interclinoid bars into four types : Type I (caroticoclinoid foramen) bridge present between anterior and middle clinoid process, Type II bridge between anterior, middle and posterior clinoid process, Type III bridge between anterior and posterior clinoid process and Type IV bridge between the middle and posterior clinoid process. Each interclinoid bar was classified into contact, incomplete, complete types based on the classification of Keyers. In present study total incidence of interclinoid bars was 18%. Type I were present in 10.5%, out of which 8% were complete and 2.5% were incomplete. Types II in 3.5%, amongst them 2% were complete and 1.5% was mixed. Type III in 4%, out of which 2% were complete and 2% were incomplete. Total incidence of caroticoclinoid foramens was 14.5%, out of which 11.5% were complete and 3% were incomplete. Total incidence of sellar bridge was 7.5%, out of which 4.5% were complete and 3% were incomplete. Presence of osseous interclinoid bars may cause compression of surrounding structures like the cavernous sinus and its content, sphenoid sinus and pituitary gland. Therefore, detailed anatomical knowledge of various types of interclinoid bars can increase the success of diagnostic evaluation and surgical approaches to the region.

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The anatomy of the carotico-clinoid foramen and its relation with the internal carotid artery

Cited by 49 publications

References 15 publications

Ossification of caroticoclinoid ligament and its clinical importance in skull-based surgery

Ossification of caroticoclinoid ligament and its clinical importance in skull-based surgery

An Osteological Study of Ossified Carotico-Clinoid Ligaments as Potential Risk for Internal Carotid Artery Compression

Incidence Of Ossified Interclinoid Bars In Dry Human Skulls Of Gujarat State

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