What Is Pineal Gland Tumour and How Is It Treated?
A pineal gland tumour grows in or around the pineal gland, a small brain structure that produces melatonin and regulates sleep. Its location near major draining veins and the cerebrospinal fluid pathway means hydrocephalus is usually the first sign, often presenting...
What Is Cortical Mapping in Awake Brain Surgery?
Cortical mapping identifies which brain areas control speech, movement, sensation and memory before tissue is removed during surgery. A small electrical current stimulates the brain’s surface while the patient performs simple tasks, and any disruption marks a...
Cubital Tunnel vs Carpal Tunnel: What Is the Difference?
Cubital tunnel compresses the ulnar nerve at the elbow, affecting the ring and little fingers and worsening with prolonged elbow bending. Carpal tunnel compresses the median nerve at the wrist, affecting the thumb, index and middle fingers and flaring with repetitive...