Neurological Applications in Diagnosis and Treatment Extradural Spinal Lesions

The most common disorder seen while performing myelography is the extradural defect. Ventral extradural defects at the level of the disc space are caused by a variety of conditions, including disc bulges, disc herniations, posterior endplate spur formation, epidural hematomas, inflammatory processes, and epidural tumor, with or without associated adjacent bone involvement. Anterolateral extradural defects at the level of the disc space are routinely caused by posterolateral disc herniations,...

Pupillary Syndromes Anisocoria

It is commonly written that 20 percent of the population has anisocoria of at least 0.4 mm in dim light, although published series cite highly variable percentages from 2 to 60 percent. The most common sort of variable anisocoria among healthy people has been called see-saw anisocoria or simple central anisocoria whereas the mechanism is indeterminate, this benign condition may vary from one examination to the next or even reverse sides. Light stimulation of one or both eyes decreases the...