Hyperostosis frontalis interna presenting as a forehead scar in a young male.

Hyperostosis frontalis interna is a benign overgrowth of the inner table of the frontal bone. Exact etiology is unknown. The condition is often an incidental finding and requires no treatment unless there are neurological signs and symptoms.

Galassi type III arachnoid cyst presenting as a migraine of weariness.

A 24-year-old right-handed male presented with a 4-month history of migraine of weariness. Typical accompanying symptoms with migraine like nausea, vomiting, photophobia and aura were not present. Non-contrast CT brain revealed a left sided large frontotemporoparietal (Galassi Type III) arachnoid cyst.

Immediate improvement in GCS following needle aspiration of bilateral traumatic subdural effusion in a child in emergency room.

A minor head injury can cause traumatic subdural effusion in a child. They often present to pediatric emergencies initially, and there is a delayed referral to neurosurgery. In the emergency room, they should undergo subdural effusion needle aspiration, which can result in an immediate improvement in GCS.