Obsessive–Compulsive Disorder Secondary to Bilateral Frontal Damage Due to a Closed Head Injury

The patient presented in this report had both frontal lobe dysfunction signs and obsessive-compulsive disorder secondary to bilateral frontal damage due to a closed head injury. The etiological significance of head injury and frontal lobe involvement in obsessive-compulsive disorder is discussed in the context of the clinical and neuroimaging findings and of previous series of brain injured patients.