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2025, Vol: 15, Issue: 1
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Original Article
Online Published: 29 Jun 2025
 


Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety

Suniti Pandey, Shailendra Singh, Nidhi Gupta, Alka Nagar, Arti, Sandeep Arya, Rohit Sachan.


Abstract
The clivus is recognized as one of the most challenging areas for neurosurgeons due to its limited space and complex anatomical surroundings. This study focuses on the morphology of the extracranial clivus and its topographic relationship with adjacent vital anatomical landmarks. Conducted on 50 dry human skull bases from the Anatomy Department's Museum at our Medical College, the study measured the extracranial dimensions of the clivus. The clivus exhibited a typically triangular shape. The mean extracranial clival length was 28.46±2.52 mm. The mean width between the medial ends of the right and left foramen lacerum was 20.78±1.99 mm, while the mean width between the anterior ends of the right and left hypoglossal canals was 31.19±2.71 mm. The mean width between the anterior ends of both occipital condyles measured 15.76±2.07 mm. Additionally, the mean width between the right and left jugular foramina was 37.75±4.39 mm, and the average distance from the pharyngeal tubercle to the rostrum was 17.42±1.85 mm. The mean thickness of the clivus, measured just anterior to the pharyngeal tubercle, was 10.38±3.01 mm. This data is valuable for neurosurgeons and ENT surgeons, providing crucial insights for achieving safe access to the clivus in extracranial surgical procedures.

Key words: Basion, Chiari malformation, Dorsum sellae, Foramen lacerum, Jugular foramen, Skull base


 
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How to Cite this Article
Pubmed Style

Pandey S, Singh S, Gupta N, Nagar A, Arti , Arya S, Sachan R. Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. J Med Allied Sci. 2025; 15(1): 47-51. doi:10.5455/jmas.216610

Web Style

Pandey S, Singh S, Gupta N, Nagar A, Arti , Arya S, Sachan R. Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. https://jmas.in/?mno=216610 [Access: July 12, 2025]. doi:10.5455/jmas.216610

AMA (American Medical Association) Style

Pandey S, Singh S, Gupta N, Nagar A, Arti , Arya S, Sachan R. Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. J Med Allied Sci. 2025; 15(1): 47-51. doi:10.5455/jmas.216610


Vancouver/ICMJE Style

Pandey S, Singh S, Gupta N, Nagar A, Arti , Arya S, Sachan R. Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. J Med Allied Sci. (2025), [cited July 12, 2025]; 15(1): 47-51. doi:10.5455/jmas.216610


Harvard Style

Pandey, S., Singh, . S., Gupta, . N., Nagar, . A., Arti, ., Arya, . S. & Sachan, . R. (2025) Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. J Med Allied Sci, 15 (1), 47-51. doi:10.5455/jmas.216610


Turabian Style

Pandey, Suniti, Shailendra Singh, Nidhi Gupta, Alka Nagar, Arti, Sandeep Arya, and Rohit Sachan. 2025. Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. Journal of Medical and Allied Sciences, 15 (1), 47-51. doi:10.5455/jmas.216610


Chicago Style

Pandey, Suniti, Shailendra Singh, Nidhi Gupta, Alka Nagar, Arti, Sandeep Arya, and Rohit Sachan. "Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety." Journal of Medical and Allied Sciences 15 (2025), 47-51. doi:10.5455/jmas.216610


MLA (The Modern Language Association) Style

Pandey, Suniti, Shailendra Singh, Nidhi Gupta, Alka Nagar, Arti, Sandeep Arya, and Rohit Sachan. "Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety." Journal of Medical and Allied Sciences 15.1 (2025), 47-51. Print. doi:10.5455/jmas.216610


APA (American Psychological Association) Style

Pandey, S., Singh, . S., Gupta, . N., Nagar, . A., Arti, ., Arya, . S. & Sachan, . R. (2025) Extracranial clivus morphometry in Indian skulls: A study for optimizing surgical safety. Journal of Medical and Allied Sciences, 15 (1), 47-51. doi:10.5455/jmas.216610


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