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Ossification of the roof of the porus trigeminus with duplicated abducens nerve / 대한해부학회지
Anatomy & Cell Biology ; : 211-213, 2019.
Article in English | WPRIM | ID: wpr-762210
ABSTRACT
Ossification of parts of the intracranial dura mater is common and is generally accepted as an age-related finding. Additionally, duplication of the abducens nerve along its course to the lateral rectus muscle is a known, although uncommon anatomical variant. During routine cadaveric dissection, an ossified portion of dura mater traveling over the trigeminal nerve's entrance (porus trigeminus) into the middle cranial fossa was observed unilaterally. Ipsilaterally, a duplicated abducens nerve was also observed, with a unique foramen superolateral to the entrance of Dorello's canal. To our knowledge, there has been no existing report of a simultaneous ossified roof of the porus trigeminus with an ipsilateral duplicated abducens nerve. Herein, we discuss this case and the potential clinical and surgical applications. We believe this case report will be informative for the skull base surgeon in the diagnosis of neuralgic pain in the frontomaxillary, andibular, orbital, and external and middle ear regions.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Abducens Nerve / Orbit / Trigeminal Neuralgia / Cadaver / Skull Base / Cranial Fossa, Middle / Diagnosis / Dura Mater / Ear, Middle Type of study: Diagnostic study Language: English Journal: Anatomy & Cell Biology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Abducens Nerve / Orbit / Trigeminal Neuralgia / Cadaver / Skull Base / Cranial Fossa, Middle / Diagnosis / Dura Mater / Ear, Middle Type of study: Diagnostic study Language: English Journal: Anatomy & Cell Biology Year: 2019 Type: Article