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Management of Left Cerebello-Pontine Angle Tumour Using Intraoperative Neurophysiological Monitoring and Cavitron Ultrasonic Surgical Aspirator in a Pregnant Patient: A Case Report |
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Swapnilkumar Nakhale, TP Jeyaselva Senthilkumar, Bhaurao D Nakhale 1. Senior Resident, Department of Neurosurgery, SRM Medical College, Chennai, Tamil Nadu, India. 2. Professor and Head, Department of Neurosurgery, SRM Medical College, Chennai, Tamil Nadu, India. 3. Professor, Department of General Medicine, Datta Meghe Medical College, Wardha, Maharashtra, India. |
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Correspondence Address : Dr. Swapnil Kumar Nakhale, Senior Resident, Department of Neurosurgery, SRM Medical College, Chennai-603203, Tamil Nadu, India. E-mail: swapnilnakhale20@gmail.com |
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| ABSTRACT |  | ||||||
: Vestibular Schwannoma (VS) is a benign tumour of the vestibulocochlear nerve and accounts for nearly 85% of Cerebello-Pontine (CP) angle tumours. Its occurrence during pregnancy is infrequent, with only a few cases reported worldwide. Managing VS in pregnant patients presents unique challenges, as both maternal neurological status and foetal safety must be considered when deciding the timing and approach to surgery. We report the case of a 23-year-old primigravida at 12 weeks of gestation who presented with progressive headache, blurred vision, imbalance, and left-sided hearing loss. Neurological examination revealed bilateral papilloedema, left facial nerve involvement, sensorineural hearing loss, with Magnetic Resonance Imaging (MRI) brain showing a left CP angle tumour with hydrocephalus. The patient initially underwent an emergency right ventriculoperitoneal shunt for symptomatic relief, followed by a retromastoid suboccipital craniotomy for tumour excision under Intraoperative Neurophysiological Monitoring (IONM). The tumour was safely debulked using a Cavitron Ultrasonic Surgical Aspirator (CUSA), which allowed selective tumour removal with the preservation of critical neurovascular structures. The patient recovered without new neurological deficits, continued her pregnancy to term, and delivered a healthy baby via caesarean section. Histopathological examination confirmed VS, and postoperative MRI at six months showed gross total resection with no recurrence. | |||||||
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| Keywords : Cerebellopontine angle tumour, Foetal safety, Pregnancy, Ventriculoperitoneal shunt, Vestibular schwannoma | |||||||
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DOI and Others :
DOI: 10.7860/IJARS/2026/80555.3075
Date of Submission: May 13, 2025 Date of Peer Review: Aug 21, 2025 Date of Acceptance: Oct 29, 2025 Date of Publishing: Jan 01, 2026 AUTHOR DECLARATION: • Financial or Other Competing Interests: None • Was informed consent obtained from the subjects involved in the study? Yes • For any images presented appropriate consent has been obtained from the subjects. Yes PLAGIARISM CHECKING METHODS: • Plagiarism X-checker: Sep 18, 2025 • Manual Googling: Oct 20, 2025 • iThenticate Software: Oct 28, 2025 (10%) ETYMOLOGY: Author Origin EMENDATIONS: 6 |
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Case report
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