Entrapment of the lingual nerve due to an ossified pterygospinous ligament

During a routine dissection course at the University of Muenster (Germany) an unusual course of the lingual nerve was found with entrapment of the nerve between a widely ossified pterygospinous ligament and the medial pterygoid muscle. Furthermore, the nerve‘s mobility was restricted by a more dista...

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Bibliographic Details
Published in:Clinical anatomy (New York, N.Y.) N.Y.), 2001-07, Vol.14 (4), p.282-284
Main Authors: Peuker, Elmar T., Fischer, Gerhard, Filler, Timm J.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Dissection
Humans
Ligaments - pathology
Lingual Nerve - pathology
lingual nerve entrapment
Male
Nerve Compression Syndromes - etiology
Nerve Compression Syndromes - pathology
Ossification, Heterotopic - complications
Ossification, Heterotopic - pathology
Pterygoid Muscles - pathology
pterygospinous ligament
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Summary:During a routine dissection course at the University of Muenster (Germany) an unusual course of the lingual nerve was found with entrapment of the nerve between a widely ossified pterygospinous ligament and the medial pterygoid muscle. Furthermore, the nerve‘s mobility was restricted by a more distal anastomosis with the inferior alveolar nerve. Although incomplete or complete ossification of the pterygospinous ligament is not uncommon, the combination with a medial course of the lingual nerve has not been described before. Besides practical importance for surgeons and anesthetists, the entrapment of the lingual nerve may lead to lingual numbness and pain associated with speech impairment. Clin. Anat. 14:282–284, 2001. © 2001 Wiley‐Liss, Inc.
ISSN:0897-3806
1098-2353
DOI:10.1002/ca.1048