Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?

Malignant gliomas account for approximately 60% of all primary brain tumors in adults. Prognosis for these patients has not significantly changed in recent years—despite debulking surgery, radiotherapy and cytotoxic chemotherapy—with a median survival of 9–12 months. Virtually no patients are cured...

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Main Author: Patrick Beauchesne
Format: Article
Language:English
Published: MDPI AG 2011-01-01
Series:Cancers
Subjects:
Online Access:http://www.mdpi.com/2072-6694/3/1/461/
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author Patrick Beauchesne
author_facet Patrick Beauchesne
author_sort Patrick Beauchesne
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description Malignant gliomas account for approximately 60% of all primary brain tumors in adults. Prognosis for these patients has not significantly changed in recent years—despite debulking surgery, radiotherapy and cytotoxic chemotherapy—with a median survival of 9–12 months. Virtually no patients are cured of their illness. Malignant gliomas are usually locally invasive tumors, though extra-neural metastases can sometimes occur late in the course of the disease (median of two years). They generally appear after craniotomy although spontaneous metastases have also been reported. The incidence of these metastases from primary intra-cranial malignant gliomas is low; it is estimated at less than 2% of all cases. Extra-neural metastases from gliomas frequently occur late in the course of the disease (median of two years), and generally appear after craniotomy, but spontaneous metastases have also been reported. Malignant glioma metastases usually involve the regional lymph nodes, lungs and pleural cavity, and occasionally the bone and liver. In this review, we present three cases of extra-neural metastasis of malignant gliomas from our department, summarize the main reported cases in literature, and try to understand the mechanisms underlying these systemic metastases.
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spelling doaj.art-be9f686322174c90ab748cb9aa920e3d2023-08-02T05:07:08ZengMDPI AGCancers2072-66942011-01-013146147710.3390/cancers3010461Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?Patrick BeauchesneMalignant gliomas account for approximately 60% of all primary brain tumors in adults. Prognosis for these patients has not significantly changed in recent years—despite debulking surgery, radiotherapy and cytotoxic chemotherapy—with a median survival of 9–12 months. Virtually no patients are cured of their illness. Malignant gliomas are usually locally invasive tumors, though extra-neural metastases can sometimes occur late in the course of the disease (median of two years). They generally appear after craniotomy although spontaneous metastases have also been reported. The incidence of these metastases from primary intra-cranial malignant gliomas is low; it is estimated at less than 2% of all cases. Extra-neural metastases from gliomas frequently occur late in the course of the disease (median of two years), and generally appear after craniotomy, but spontaneous metastases have also been reported. Malignant glioma metastases usually involve the regional lymph nodes, lungs and pleural cavity, and occasionally the bone and liver. In this review, we present three cases of extra-neural metastasis of malignant gliomas from our department, summarize the main reported cases in literature, and try to understand the mechanisms underlying these systemic metastases.http://www.mdpi.com/2072-6694/3/1/461/extraneural metastasismalignant gliomasradiotherapychemotherapyneurosurgery
spellingShingle Patrick Beauchesne
Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?
Cancers
extraneural metastasis
malignant gliomas
radiotherapy
chemotherapy
neurosurgery
title Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?
title_full Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?
title_fullStr Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?
title_full_unstemmed Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?
title_short Extra-Neural Metastases of Malignant Gliomas: Myth or Reality?
title_sort extra neural metastases of malignant gliomas myth or reality
topic extraneural metastasis
malignant gliomas
radiotherapy
chemotherapy
neurosurgery
url http://www.mdpi.com/2072-6694/3/1/461/
work_keys_str_mv AT patrickbeauchesne extraneuralmetastasesofmalignantgliomasmythorreality