J Med Assoc Thai 2001; 84 (3):417

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Glioma of the Central Nervous System : Factors Affecting the Outcome
TangAroonsin S Mail

Glioma is one of the most common brain tumors but the outcome of treatment is still
uncertain. The author conducted this study to find the prognostic factors affecting the outcome.
The medical records of 41 patients, diagnosed as having glioma, admitted to the Neurosurgery
Division, Prasat Neurological Hospital, between January 1998 and December 1999 were retro-
spectively reviewed. Gender, age, history of smoking and alcohol drinking, symptoms and signs,
CT and MRI findings, underlying pathology, locations of lesions, treatments and outcomes were
analysed. There were 20 males and 21 females with ages ranging from 2 to 75 years. The mean
age was 39.78
เธ‘
19.81 years old. The three most common presenting symptoms were headache,
motor weakness, and seizures. The predominant location of the tumors was in the cerebral
hemisphere. Most low grade astrocytoma show low
I
iso-density with slight contrast enhanced
in CT scan. The patients were divided into two groups according to the outcome, improved
and dead. Gender, age, history of smoking and alcohol drinking, location of tumors did not
have any effect on the outcome. The factors affecting the outcome of treatment were histo-
logical subtypes and types of treatment. There was a statistically significantly better outcome in
low grade astrocytoma and tumor removal with irradiation. The overall mortality was 21.95
per cent after two years.
Key word : Brain Tumors, Glioma, Astrocytoma, Prognostic Factors, Outcome

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