Epidemiology of primary brain tumors in dr. Kariadi Hospital Semarang in 2015-2018

Background: Primary brain tumors are neoplasm originated from brain parenchyma and its surrounding structures. Although primary brain tumors is only 1,4% of all cancers, they causes significant morbidity and mortality. Objective: To study the epidemiology of primary brain tumors in Dr. Kariadi General Hospital Semarang between 2015 and 2018. Methods: a descriptive epidemiological study taken from medical records of hospitalized patients with primary brain tumors during 2015 - 2018. The data includes demographic characteristics and clinical characteristics. Results: There were 175 suspected cases of primary brain tumor, 38.3% occurred in males and 61.7% in females. The peak incidence is in 41-50 years (34.3%). 61.1% live in coastal areas. The frequent symptoms is headache (44.9%), with the most common location was in the frontal lobe (17.7%). The most common type was meningioma (24.5%). Meningioma were more common in females (90.7%), whereas glioma were more common in males (60%). 46.3% patients experienced clinical improvement at the time of discharge. Conclusions: The incidence of primary brain tumors are more common in females, the peak incidence are age 41-50 years, and most of them live in coastal areas