Dr. Mark Alexander Mahan MD

Spinal surgery usually requires that the surgeon makes a relatively huge incision on the patient’s back in order to have complete access to the spinal vertebrae. This is the usual procedure in dealing with defects of the spine, and it has been so because of the delicate nature of the...

Transorbital LobotomyTransorbital lobotomy was once considered as a form of neurosurgery that was labeled as "insane". A pioneer in this field was a Portuguese doctor named António Egas Moniz. He introduced frontal lobotomy in 1935 for certain cases of psychosis and won a Nobel Prize because of...

Decompressive laminectomy is done to release pressure exerted on the roots of the nerves found on the lower back. The condition is mostly brought by old age. There are, however, other reasons your surgeon may suggest surgery. These include herniated discs, traumas, and tumors. In case you are going...

What Is a Laminectomy?The lamina is the back part of your vertebra covering the spinal canal. Your doctor could decide to eliminate your lamina or the bone spurs around it when either causes compression of your spinal cord or the roots of your nerves. Pressure on the roots of your nerves can cause:...

Lobotomy is a neurosurgical procedure invented in 1935 by a Portuguese neurologist named Moniz. Moniz won the Nobel Prize in 1949 for his achievement. It was believed that lobotomy was successful in the treatment of various psychological diseases like depression, bipolar disorders, mania,...

Normal pressure hydrocephalus (NPH) is a type of brain disorder, wherein excess cerebrospinal fluid builds up in the ventricles of the brain. It causes problems in reasoning, thinking, difficulty in walking, and loss of bladder control.Brains ventricles are hollow fluid-filled chambers. Even...