Facial colliculus
Last revised by Mostafa El-Feky on 5 Apr 2021
Citation, DOI, disclosures and article data
Citation:
Gaillard F, El-Feky M, Rasuli B, et al. Facial colliculus. Reference article, Radiopaedia.org (Accessed on 09 Dec 2023) https://doi.org/10.53347/rID-1318
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rID:
1318
Article created:
2 May 2008, Frank Gaillard ◈
Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosuresLast revised:
5 Apr 2021, Mostafa El-Feky ◉
Disclosures:
At the time the article was last revised Mostafa El-Feky had no recorded disclosures.
View Mostafa El-Feky's current disclosuresRevisions:
20 times, by 12 contributors - see full revision history and disclosures
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Synonyms:
- Facial colliculus
The facial colliculus is an elevation on the floor of the fourth ventricle and is not formed by the facial nucleus, but by the fibers of the facial nerve arching backward around the abducent nucleus before turning forwards once more in the caudal pons.
Related pathology
A lesion involving the facial colliculus is, therefore, likely to result in facial colliculus syndrome by involving:
- abducens nerve (CN VI) nucleus
- facial nerve (CN VII) fibers at the genu
- medial longitudinal fasciculus
The facial colliculus may be symmetrically absent in horizontal gaze palsy with progressive scoliosis, giving a tent shape to the floor of the fourth ventricle.
References
- 1. Sinnatamby CS. Last's Anatomy, Regional and Applied. Churchill Livingstone. (2011) ISBN:0702033952. Read it at Google Books - Find it at Amazon
- 2. Clemente CD. Anatomy, A Regional Atlas of the Human Body. Hubsta Ltd. (2010) ISBN:1582558892. Read it at Google Books - Find it at Amazon
- 3. Jacobs DA, Galetta SL. Neuro-ophthalmology for neuroradiologists. AJNR Am J Neuroradiol. 2007;28 (1): 3-8. AJNR Am J Neuroradiol (full text) - Pubmed citation
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