“…Less frequently, persistent headaches, gait disturbances, isolated nystagmus, opsoclonus-myoclonus syndrome, parkinsonian syndromes, spastic paraparesis, fatigue syndrome, sleep disturbances or visual and auditory hallucinations have been reported [ 60 , 61 ]. Patients treated for many years for schizophrenia, depressive disorders, Alzheimer’s disease or drug-resistant epilepsy have been described, in whom HE was finally diagnosed and corticosteroid therapy resulted in complete resolution of symptoms [ 82 , 85 ]. On the other hand, when analyzing the relationship between psychiatric disorders and thyroid diseases, Hashimoto’s thyroiditis, even in euthyroid state, increases the risk of their occurrence [ 86 ].…”