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Optimal Patient Positioning for Microvascular Decompression of Trigeminal Neuralgia Utilizing the "Arrowhead" Technique: A Technical Report.
Cureus
December 2024
Neurosurgery, Desert Regional Medical Center, Palm Springs, USA.
Microvascular decompression (MVD) is a neurosurgical operation used to treat trigeminal neuralgia (TN). The surgery is performed through a retrosigmoid approach, where a Teflon pledget is placed in between the offending vessel (most commonly the superior cerebellar artery) and trigeminal nerve. The surgery is performed within the superior aspect of the cerebellopontine angle (CPA) through a small working corridor that is triangulated by the petrous bone and tentorium.
View Article and Find Full Text PDFOptimising diagnostics for hard-of-hearing infants: factors associated with successful MRI scanning without general anaesthesia.
Eur Arch Otorhinolaryngol
January 2025
Otolaryngology - Head and Neck Surgery, section Ear & Hearing, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, 1081 HV, The Netherlands.
Purpose: Scanning during infancy is often required in otology, preferably without general anaesthesia. This study aims to determine the success rate of MRI of the head without general anaesthesia for infants, and to identify predictors for a successful scan.
Methods: Data was extracted from the electronic patient file for patients who received MRI of the head without general anaesthesia between 01-01-2019 and 31-12-2022 at an age younger than 6 months.
Intracranial neurenteric cyst in the cerebellopontine angle: a case report.
J Surg Case Rep
January 2025
Neurosurgery Division, Department of Surgery, Faculty of Medicine, Udayana University, Prof. Dr. I.G.N.G. Ngoerah General Hospital, Denpasar, Bali, Indonesia.
Neurenteric cysts, rare benign tumors, are most often found in the cervical or thoracic spinal cord, with intracranial occurrences being extremely uncommon. This case report describes a 52-year-old female with a neurenteric cyst in the cerebellopontine angle, presenting with headaches and balance disturbances. Magnetic resonance imaging (MRI) revealed a cystic lesion causing hydrocephalus, and surgical removal was performed using a retrosigmoid approach.
View Article and Find Full Text PDFPeritumoral Hyperintense Signal on Post-contrast FLAIR Images Surrounding Vestibular Schwannomas Following Stereotactic Radiosurgery.
AJNR Am J Neuroradiol
January 2025
From the Department of Radiology (S.TN., J.C.B., G.B., P.J.F., J.I.L.), and Department of Otolaryngology-Head and Neck Surgery and Neurologic Surgery (M.L.C., M.J.L.), Mayo Clinic, Rochester, Minnesota, USA.
Background And Purpose: Prior investigations have noted the presence of peritumoral hyperintense signal (a "halo") around vestibular schwannomas on postcontrast 3D T2 FLAIR images. This study evaluated this phenomenon in a cohort of patients undergoing stereotactic radiosurgery.
Materials And Methods: A retrospective review was completed of consecutive patients with presumed vestibular schwannomas undergoing stereotactic radiosurgery.
Post-operative vestibular function outcomes evaluated by video Head Impulse Test in patients with non-vestibular schwannoma cerebellopontine angle tumors.
Auris Nasus Larynx
January 2025
Department of Otolaryngology-Head & Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-Ku, N15W7, Sapporo 0608638, Hokkaido, Japan.
Objectives: To evaluate post-operative semicircular canal function in patients with non-vestibular schwannoma (VS) cerebellopontine angle (CPA) tumors by video Head Impulse Test (vHIT).
Methods: Fourteen patients with non-VS CPA tumors who underwent surgery. The gain in vestibulo-ocular reflex (VOR) was examined pre- and post-operatively for the semicircular canals in patients with non-VS CPA tumors.
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