The Nigerian postgraduate medical journal · 2017
Some characteristics of gliomas managed at a Neurosurgery centre in Nigeria.
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Ndubuisi Chika A, Ohaegbulam Samuel C, Chikani Mark O, Mezue Wilfred C, Mbadugha Tobechi, Okhueleigbe Mark
Аннотация
BACKGROUND: Gliomas are important primary brain tumours with varying prognosis.
AIM: To study the histology characteristics of brain gliomas managed in a Neurosurgical centre in Nigeria.
MATERIALS AND METHODS: A retrospective analysis of prospectively recorded data of patients managed for intracranial gliomas at our Hospital for Neurosurgery, between year 2006 and 2015. Only the patients with conclusive histology diagnosis following surgery were analysed.
RESULTS: Glioma was 23.8% of the 252 histology-confirmed brain tumours. Male-to-female ratio was 1.4:1.0. Peak age at diagnosis was in the fifth decade of life. There was an increase in the frequency of diagnosis from seven (2006-2009) to 15 (2011 and 2012) and 39 patients managed (2013 and 2015). In sub-group analysis, grade IV tumour was the most common (34.6%) followed by grade II (30.7%), grade I (18.3%) and grade III (16.7%). Seven patients of grade II oligodendroglioma and one patient each of anaplastic oligodendroglioma, subependymal giant cell astrocytoma and astroblastoma were seen. The anatomical location of the tumour was the frontal lobe in 23.3% of patients followed by the parietal lobe in 16.7% of patients. The pre-operative Karnofsky score was ≥70% in 36.7% of the patients.
CONCLUSION: Gliomas are more common brain tumours than were imagined. Most patients present relatively late and with advanced disease. High-grade gliomas seem to mostly affect the middle age population in the study environment with higher proportion of grade IV lesions.
AIM: To study the histology characteristics of brain gliomas managed in a Neurosurgical centre in Nigeria.
MATERIALS AND METHODS: A retrospective analysis of prospectively recorded data of patients managed for intracranial gliomas at our Hospital for Neurosurgery, between year 2006 and 2015. Only the patients with conclusive histology diagnosis following surgery were analysed.
RESULTS: Glioma was 23.8% of the 252 histology-confirmed brain tumours. Male-to-female ratio was 1.4:1.0. Peak age at diagnosis was in the fifth decade of life. There was an increase in the frequency of diagnosis from seven (2006-2009) to 15 (2011 and 2012) and 39 patients managed (2013 and 2015). In sub-group analysis, grade IV tumour was the most common (34.6%) followed by grade II (30.7%), grade I (18.3%) and grade III (16.7%). Seven patients of grade II oligodendroglioma and one patient each of anaplastic oligodendroglioma, subependymal giant cell astrocytoma and astroblastoma were seen. The anatomical location of the tumour was the frontal lobe in 23.3% of patients followed by the parietal lobe in 16.7% of patients. The pre-operative Karnofsky score was ≥70% in 36.7% of the patients.
CONCLUSION: Gliomas are more common brain tumours than were imagined. Most patients present relatively late and with advanced disease. High-grade gliomas seem to mostly affect the middle age population in the study environment with higher proportion of grade IV lesions.