In this case report 52 years old woman having severe headache for two weeks, nausea, vomiting and intolerence to light has been reported. A year ago she was diagnosed as breast cancer; che-motherapy and radiotherapy treatment has finished 6 months ago. With findings of lomber punc-ture and magnetic resonance imaging (MRI), meningoencephalopathies has considered and am-piric antibiotic treatment has begun. In spite of appropriate antibiotics our case consciousness state has not changed so cytologic analyses of cerebrospinal fluid (CSF) and second MRI has been performed and reportes as lineer leptomeningeal infiltration at cerebellum. With clinical symp-toms and MRI findings our case was diagnosed as leptomeningeal metastases (LM). Three weeks later the patient died at intensive care unit (ICU). Diagnosis of LM is difficult because it can be pre-sented in different clinical situations. So some patients can diagnosed lately. This case is important in the cause of showing LM can be misdiagnosed as meningoencephalopathies.
Keywords: Bacterial menengitis, Leptomeningeal metastases, Fever
