Anxiety, phobia, and depression in patients with temporal arachnoid cyst–a case report

Arachnoid cysts accounts for around 1% of all intracranial space– occupying lesions and is a relatively common neurodevelopmental disorder with an estimated prevalence of 0.2% to 1.7%.1–3 The most common locations for intracranial arachnoid cysts are near the temporal lobe and there are genetic mechanisms behind its formation.1 In most cases, arachnoid cysts are present at birth (congenital) and may appear to be increasing in size.1–5 However, patients may live their entire life without any explicit symptoms from the cyst, even if the cyst is large.3–6 In the cases which symptoms occurred, their clinical manifestations differ and are often unspecific. When clinical symptoms are present, the most frequent manifestations are headache, dizziness, and convulsive episodes.1–4 But some articles have reported patients with intracranial arachnoid cysts presenting with psychiatric symptom.1–11