Persistent trigeminal artery (PTA) is the most common residual manifestation of persistent carotid-vertebrobasilar anastomosis, with the medial-type (intrasellar or sphenoidal) PTA being exceptionally rare. Aneurysms originating from the PTA trunk are not common. We present a unique case of an aneurysm located at the trunk of the medial-type PTA in a patient presenting with trigeminal neuralgia who successfully received endovascular treatment. Furthermore, we discuss the anatomical features of this aneurysm and relevant reports, and examine the possible pathomechanism of the associated pain.
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http://dx.doi.org/10.3340/jkns.2024.0107 | DOI Listing |
J Korean Neurosurg Soc
January 2025
Department of Neurosurgery, Daejeon St. Mary's Hospital, The Catholic University of Korea, Daejeon, Korea.
Persistent trigeminal artery (PTA) is the most common residual manifestation of persistent carotid-vertebrobasilar anastomosis, with the medial-type (intrasellar or sphenoidal) PTA being exceptionally rare. Aneurysms originating from the PTA trunk are not common. We present a unique case of an aneurysm located at the trunk of the medial-type PTA in a patient presenting with trigeminal neuralgia who successfully received endovascular treatment.
View Article and Find Full Text PDFSurg Radiol Anat
January 2024
Department of Neurology, Saitama Sekishinkai Hospital, 2-37-20 Irumagawa, Sayama, Saitama, 350-1305, Japan.
Purpose: To describe a case of persistent trigeminal artery variant (PTAV) and presumed ophthalmic artery (OA) simultaneously arising from the inferolateral trunk (ILT).
Methods: A 53-year-old woman with an initial episode of convulsion underwent cranial magnetic resonance imaging (MRI) and MR angiography (MRA) of the intracranial region for the evaluation of brain and vascular lesions. The MR machine was a 3-T scanner.
Surg Radiol Anat
December 2023
Department of Neuroendovascular Therapy, Saitama Sekishinkai Hospital, 2-37-20 Irumagawa, Sayama, Saitama, 350-1305, Japan.
Purpose: To describe a case of a medial-type persistent trigeminal artery (PTA) associated with multiple arterial variations.
Methods: A 34-year-old woman with multiple sclerosis underwent cranial magnetic resonance (MR) angiography from the aortic arch to the neck region and intracranial region for the evaluation of an unruptured cerebral aneurysm that was previously detected on MR imaging. The MR machine was a 3-T scanner.
Surg Radiol Anat
March 2021
Saitama Sekishinkai Hospital, Sayama, Japan.
There are four types of fetal anastomosis between the carotid and vertebrobasilar arteries at 5 weeks gestation; from caudal to cranial position, these involve the proatlantal intersegmental, hypoglossal, otic, and trigeminal arteries. Excluding otic artery, these arteries may persist rarely. Persistent trigeminal artery (PTA) is the most common carotid-vertebrobasilar anastomosis, and the medial type (intrasellar) PTA is quite rare, accounting for approximately 10% of all PTA cases.
View Article and Find Full Text PDFNeuroRehabilitation
March 2018
Department of Rehabilitation, Fujita Health University Hospital, Toyoake, Japan.
Background: Patients with tetraplegia can achieve independent gait with lateral-type powered exoskeletons; it is unclear whether medial-type powered exoskeletons allow for this.
Objective: To investigate gait training with a medial-type powered exoskeleton wearable power-assist locomotor (WPAL) in an individual with incomplete cervical (C5) and complete thoracic (T12) spinal cord injury (SCI).
Methods: The 60-session program was investigated retrospectively using medical records.
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