Introduction:

Othello syndrome, an eponym of Shakespeare's character, is a transnosological diagnostic term that designates a clinical picture characterised by the presence of delusions of infidelity with respect to a partner and that, consequently, can lead to typical jealousy attitudes and violent behaviour towards the partner. In its pure form, it corresponds to delusional disorder of infidelity, but it may also be secondary to brain organicity and drug use.

Methods:

Case report and non-systematic review of the relevant literature.

Case presentation:

A 26-year-old man, with a history of drug abuse and a victim of domestic violence as a child, presented with tonic-clonic seizures and intracranial hypertension three years ago, for which he underwent a craniotomy with the finding of a right frontal cerebral tuberculoma. After a lapse, he developed a clinical picture of delusions of infidelity regarding his partner and violent behaviour towards her.

Literature review:

Delusional jealousy is associated, like other delusions, with lesions of the right frontal lobe. Despite the high and growing prevalence of tuberculosis worldwide, there are no reported cases of Othello syndrome secondary to cerebral tuberculoma in the literature.

Conclusion:

Othello syndrome, although not the main cause of domestic violence, can be associated with particularly violent manifestations and be secondary to cerebral tuberculoma. This is the first published case of its kind.

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