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Year : 2021  |  Volume : 16  |  Issue : 1  |  Page : 89-95

Petroclival meningioma: Management strategy and results in 21st century

1 Department of Neurosurgery, G.R. Medical College, JAH Groups of Hospital, Gwalior, Madhya Pradesh, India
2 Department Neurosurgery and Gamma Knife Radiosurgery, P.D. Hinduja National Hospital and Medical Research Center, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Basant Kumar Misra
Department Neurosurgery and Gamma Knife Radiosurgery, P.D.Hinduja National Hospital2 and Medical Research Center, Mahim, Mumbai - 400 016, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajns.AJNS_357_20

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Background: Petroclival meningioma (PCM) is considered among the most difficult tumors to be treated by microneurosurgery because of its location and its relation to critical structures. The authors report on the outcome in a series of patients with PCM treated in the new millennium with a tailored approach of gross total excision or subtotal removal and adjuvant Gamma Knife Radiosurgery (GKR) depending on the particular case. Methods: Between 2001 and 2017, 72 consecutive PCMs were operated in a single center by the senior surgeon. Clinical presentation, operative approaches, intraoperative findings, complications, and imaging findings were retrospectively analyzed. Postoperative outcome, adjuvant Gamma knife, and follow-up findings were reviewed. Results: The average age was 47.95 years, and female-to-male ratio was 52:20. Cavernous sinus extension was present in 21 patients. The mean duration of follow-up was 66.65 months. Gross-total resection, near-total resection (NTR), and subtotal resection (STR) resection was achieved in 30, 24, and 18 (42.8%, 34.28%, and 25%) patients, respectively, with recurrences of 10%, 33%, and 50%, respectively. Twenty-two patients (18 STR and 4 NTR) had received postoperative GKR. Only four patients had recurrences following GKR. New cranial nerve deficits were more common in patients in whom a total resection was performed. There was no mortality. Conclusions: Gross total excision had the best recurrence free rate though with a higher morbidity. Upfront GKR is advisable in patients with residual tumor, if the preoperative temporal course had a rapid symptomatology, to reduce recurrence. Wait and watch for a small intracavernous residue and radiosurgery on growth is also a valid option as long as follow-up is not suspect. A flexible approach of individualizing the treatment protocol for a given patient goes a long way toward optimal outcome.

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