Lymphomatosis Cerebri associated with Movement Disorders: rare disease with uncommun presentation

This study is about a case of lymphomatosis cerebri (LC), reporting the difficulties to reach the diagnosis. Case report. woman, 64-year-old, two months of involuntary movements of the left limbs and dizziness. Had hemichorea, myoclonus in left upper and lower limbs, excessive blinking and gait ataxia. Mini-mental score was 23. At investigation, nuclear magnetic resonance was abnormal. Patient was treated for auto-immune and infectious encephalitis, without improvements. Brain biopsy confirmed the diagnosis of LC, therapy was started with good results. Conclusion. LC is a rare and devastating disease. Knowledge about it is important because faster diagnosis could improve prognosis.