Erratum to “Trigeminal neuralgia: differences in magnetic resonance imaging characteristics of neurovascular compression between symptomatic and asymptomatic nerves” [Oral Surg Oral Med Oral Pathol Oral Radiol 2015;119:113-118]

2015 ◽  
Vol 119 (3) ◽  
pp. 366
Author(s):  
Madoka Suzuki ◽  
Norio Yoshino ◽  
Masahiko Shimada ◽  
Akemi Tetsumura ◽  
Tomoka Matsumura ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Trigeminal Neuralgia ◽  
Neurovascular Compression ◽  
Resonance Imaging ◽  
Imaging Characteristics

TRIGEMINAL NEURALGIA AND VASCULAR COMPRESSION IN PATIENTS WITH TRIGEMINAL SCHWANNOMAS

Neurosurgery ◽  
2008 ◽  
Vol 62 (4) ◽  
pp. E974-E975 ◽  
Author(s):  
Jonathan P. Miller ◽  
Feridun Acar ◽  
Kim J. Burchiel
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Trigeminal Neuralgia ◽  
Trigeminal Nerve ◽  
Gamma Knife Radiosurgery ◽  
Vascular Compression ◽  
Neurovascular Compression ◽  
Intracranial Tumors ◽  
Resonance Imaging

Abstract OBJECTIVE Trigeminal neuralgia (TN) is often associated with neurovascular compression. However, intracranial tumors are occasionally observed, particularly when symptoms are atypical. We describe three patients with Type-1 TN and trigeminal schwannoma diagnosed by magnetic resonance imaging, with concomitant arterial compression of the trigeminal nerve. CLINICAL PRESENTATION All three patients had Type-1 TN with spontaneous onset, paroxysm-triggered pain, and response to antiepileptic medication. Contrast-enhanced T1-weighted magnetic resonance imaging scans demonstrated an ipsilateral enhancing perineural mass consistent with a schwannoma. Two of the three patients had previously undergone gamma knife radiosurgery without improvement. Subsequent high-resolution magnetic resonance imaging in all three patients revealed obvious compression of the trigeminal nerve by an arterial structure. INTERVENTION Two patients underwent retrosigmoid craniectomy followed by microvascular decompression and remain pain-free. One patient elected not to pursue surgical intervention. CONCLUSION Although intracranial tumors are occasionally observed in patients with TN, neurovascular compression must still be considered as an etiology, especially if typical TN symptoms are reported.

NEUROVASCULAR COMPRESSION ANATOMY AND PAIN OUTCOME IN PATIENTS WITH CLASSIC TRIGEMINAL NEURALGIA TREATED BY RADIOSURGERY

Neurosurgery ◽  
2008 ◽  
Vol 62 (2) ◽  
pp. 368-376 ◽  
Author(s):  
Josè G. Lorenzoni ◽  
Nicolas Massager ◽  
Philippe David ◽  
Daniel Devriendt ◽  
Francoise Desmedt ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Trigeminal Neuralgia ◽  
Three Dimensional ◽  
Large Vessel ◽  
Superior Cerebellar Artery ◽  
Neurovascular Compression ◽  
Resonance Imaging ◽  
Total Pain ◽  
Pain Outcome

Abstract OBJECTIVE To study the influence of the anatomy of neurovascular compression (NVC) on pain outcome in patients with classic trigeminal neuralgia treated by radiosurgery. METHODS Analysis of the anatomy of the trigeminal nerve, brainstem, and vessels was performed in 89 consecutive patients treated by Leksell gamma knife (Elekta Instruments, Stockholm, Sweden) for classic trigeminal neuralgia. One-millimeter axial magnetic resonance imaging slices (T1-weighted, T1-weighted enhanced, and T2-weighted selected partial inversion recovery) with coronal, sagittal, and three-dimensional reconstructions were viewed. The end point for outcome was total pain remission and no medication. The follow-up period ranged between 6 and 42 months. RESULTS In 82 patients (92%), a vascular structure in contact with the nerve was observed. In four patients, the NVC was produced by a large vessel (basilar or vertebral artery) and in 78 by a smaller vessel. The superior cerebellar artery was the cause of the NVC in 64 patients (78%). The NVC was proximal (<3 mm to the brainstem) in 34 patients (41%) and distal in 43 patients (52%). Nerve dislocation was present in 29 patients (33%), and nerve atrophy was present in 21 (24%) patients. Visualization of NVC on magnetic resonance imaging scans was not associated with outcome. The two variables associated with poor outcome were a large vessel contacting the nerve with brainstem deformation and proximal NVC. Nerve atrophy and nerve dislocation were not associated with outcome. CONCLUSION The visualization of NVC, nerve atrophy, and nerve dislocation on magnetic resonance imaging scans was not associated with pain outcome. A large vessel compressing the nerve and deforming the brainstem and proximal NVC were associated with a lesser pain control.

scholarly journals Role of Magnetic Resonance Imaging in Evaluation of Trigeminal Neuralgia with its Anatomical Correlation

2019 ◽  
Vol 12 (1) ◽  
pp. 289-296 ◽  
Author(s):  
M. Subha ◽  
M. Arvind
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Trigeminal Neuralgia ◽  
Neurovascular Compression ◽  
Resonance Imaging ◽  
The Face ◽  
Mri Sequences ◽  
The Brain ◽  
Motor Root

Neuropathic Pain is caused by a primary lesion or dysfunction of the peripheral or central nervous system. Trigeminal neuralgia is one such disease which is characterized by episodes of unilateral, lancinating, shock- like pains and are also intermixed with pain free episodes. It has a primary or classic and secondary type. Primary TN is due to neurovascular compression whereas secondary TN is due to any tumor in the brain stem. Trigeminal nerve has a sensory and motor root arising from the pons and travels to the face where it ends as three branches namely ophthalmic, maxillary and mandibular. Magnetic resonance Imaging is a gold in identifying these lesions. However, it is not always prescribed due to lack of insight in using MRI as an evaluating tool. It results in over dosage of medication as the physician prescribes the drug without identifying whether the lesion is primary or secondary. This article give an insight on the various MRI sequences imaged various studies available and also throws light on other sequence which has to be explored in this disease.

Is preoperative high-resolution magnetic resonance imaging accurate in predicting neurovascular compression in patients with trigeminal neuralgia?

2005 ◽  
Vol 28 (2) ◽  
pp. 131-136 ◽  
Author(s):  
Ludwig Benes ◽  
Kiyoshi Shiratori ◽  
Mariana Gurschi ◽  
Ulrich Sure ◽  
Wuttipong Tirakotai ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
High Resolution ◽  
Trigeminal Neuralgia ◽  
Neurovascular Compression ◽  
Resonance Imaging
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