“…However, when intracranial involvement is suspected, an MRI is considered the gold standard. 1,3,5,6 Differential diagnoses include infected s e b a c e o u s c y s t , d e r m o i d c y s t , l i p o m a , lipoblastoma, frontal sinus mucocele, superficial temporal artery pseudoaneurysm, and malignant tumors. 7 The patient described in this article had no clinical manifestations compatible with intracranial compromise, so a CT scan was initially performed, which showed involvement of the anterior and posterior wall of the frontal sinus.…”