open access

Vol 53, No 1 (2019)
Research papers
Published online: 2019-01-10
Submitted: 2018-12-06
Accepted: 2018-12-06
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Trigone ventricular meningiomas — clinical characteristics, histopathology and results of surgical treatment

Kamil Leśniewski, Przemysław Kunert, Ewa Matyja, Tomasz Czernicki, Katarzyna Wójtowicz, Jakub Wojciechowski, Andrzej Marchel
DOI: 10.5603/PJNNS.a2019.0007
·
Pubmed: 30628049
·
Neurol Neurochir Pol 2019;53(1):34-42.

open access

Vol 53, No 1 (2019)
Research papers
Published online: 2019-01-10
Submitted: 2018-12-06
Accepted: 2018-12-06

Abstract

Aim of the study. Intraventricular meningiomas (IVMs) are rare tumours accounting for 0.5–3.0% of all meningiomas. IVMs require different surgical approaches and preparation in deep brain areas. The aim of our study was to present the clinico-

-histopathological characteristics and treatment outcomes of trigone IVMs in a series of 15 patients.

Materials and methods. Eight women and seven men (mean age 52) with 15 trigone IVMs were retrospectively analysed. Patients presented with headache (47%), psychoorganic syndrome (40%), hemianopsia (33%) or paresis (20%), including three (20%) patients with Karnofsky Performance Scale (KPS) < 80. Mean tumour size was 55.2 mm (range: 30–100 mm).

Results. Gross total tumour resection was performed in 14 (93%) cases, and subtotal in one (7%). A new deficit appeared in 83% (5/6) following a transparietal approach, in 14% (1/7) following a transtemporal approach, and in none of two patients following a transoccipital approach. Postoperative complications occurred in six (40%) patients; no patient died, but in two (13%) the new deficit was permanent. Tumour re-growth was found in two (13%) patients after 14 and 31 months. Meningiomas of WHO grade I occurred in 12, grade II in three, and grade III in one tumour recurrence. In long-term follow-up (mean: 60.8 months), including

the results of revision operations, KPS: 80–100 was in 13 (87%) patients, KPS: 50 in one (severe hemiparesis after revision) and one patient was lost to follow-up (KPS: 100 on discharge).

Conclusions. 20% of IVMs in our series were atypical. The results of surgery for IVMs, although satisfactory in general, require further improvement by reducing the rate of focal deficits resulting from a surgical approach.

Abstract

Aim of the study. Intraventricular meningiomas (IVMs) are rare tumours accounting for 0.5–3.0% of all meningiomas. IVMs require different surgical approaches and preparation in deep brain areas. The aim of our study was to present the clinico-

-histopathological characteristics and treatment outcomes of trigone IVMs in a series of 15 patients.

Materials and methods. Eight women and seven men (mean age 52) with 15 trigone IVMs were retrospectively analysed. Patients presented with headache (47%), psychoorganic syndrome (40%), hemianopsia (33%) or paresis (20%), including three (20%) patients with Karnofsky Performance Scale (KPS) < 80. Mean tumour size was 55.2 mm (range: 30–100 mm).

Results. Gross total tumour resection was performed in 14 (93%) cases, and subtotal in one (7%). A new deficit appeared in 83% (5/6) following a transparietal approach, in 14% (1/7) following a transtemporal approach, and in none of two patients following a transoccipital approach. Postoperative complications occurred in six (40%) patients; no patient died, but in two (13%) the new deficit was permanent. Tumour re-growth was found in two (13%) patients after 14 and 31 months. Meningiomas of WHO grade I occurred in 12, grade II in three, and grade III in one tumour recurrence. In long-term follow-up (mean: 60.8 months), including

the results of revision operations, KPS: 80–100 was in 13 (87%) patients, KPS: 50 in one (severe hemiparesis after revision) and one patient was lost to follow-up (KPS: 100 on discharge).

Conclusions. 20% of IVMs in our series were atypical. The results of surgery for IVMs, although satisfactory in general, require further improvement by reducing the rate of focal deficits resulting from a surgical approach.

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Keywords

Intraventricular meningioma, surgical approach, morbidity, tumour recurrence

About this article
Title

Trigone ventricular meningiomas — clinical characteristics, histopathology and results of surgical treatment

Journal

Neurologia i Neurochirurgia Polska

Issue

Vol 53, No 1 (2019)

Pages

34-42

Published online

2019-01-10

DOI

10.5603/PJNNS.a2019.0007

Pubmed

30628049

Bibliographic record

Neurol Neurochir Pol 2019;53(1):34-42.

Keywords

Intraventricular meningioma
surgical approach
morbidity
tumour recurrence

Authors

Kamil Leśniewski
Przemysław Kunert
Ewa Matyja
Tomasz Czernicki
Katarzyna Wójtowicz
Jakub Wojciechowski
Andrzej Marchel

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