Psychiatric symptoms are common among brain tumor patients. Meningiomas are the most common benign brain tumors accounting for 13 to 26% of all intracranial tumors and might present exclusively with psychiatric symptoms. To diagnose a manic episode according to DSM-5 criteria the episode must not be attributable to the physiological effects of a substance or to another medical condition.

Describe a case of first manic episode with a frontal meningioma along with a brief review of available literature.

The case we report is based on information collected from interviews with the patient and the family members as well as from the clinical files. The literature review was performed using the PubMed database.

We describe the case of a 58-year-old woman presenting with symptoms of a first manic episode with psychotic features. There were no previous hypomanic or major depressive episodes. In order to exclude organic causes a brain CT scan was performed that revealed a possible frontal lesion. A brain MRI confirmed the presence of a frontal meningioma with an approximate diameter of 1.4 cm.

The majority of the cases described in the literature refer to large tumors presenting with major depressive symptoms. Given the absence of similar cases in the literature, it seems unlikely that such a small benign lesion may cause a manic episode with psychotic features. Nevertheless, we cannot exclude that possibility.

The authors have not supplied their declaration of competing interest.