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Diplopia. Diplopia. Other names. Double vision. One way a person might experience double vision. Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [ 1] Also called double vision, it is a loss of visual focus ...
Hyperparathyroidism is an increase in parathyroid hormone (PTH) levels in the blood. [ 1][ 4] This occurs from a disorder either within the parathyroid glands ( primary hyperparathyroidism) or as response to external stimuli ( secondary hyperparathyroidism ). [ 1] Symptoms of hyperparathyroidism are caused by inappropriately normal or elevated ...
Specialty. Neurology. Subacute combined degeneration of spinal cord, also known as myelosis funiculus, or funicular myelosis, [ 1] also Lichtheim 's disease, [ 2][ 3] and Putnam-Dana syndrome, [ 4] refers to degeneration of the posterior and lateral columns of the spinal cord as a result of vitamin B 12 deficiency (most common).
Myelitis is inflammation of the spinal cord which can disrupt the normal responses from the brain to the rest of the body, and from the rest of the body to the brain. Inflammation in the spinal cord can cause the myelin and axon to be damaged resulting in symptoms such as paralysis and sensory loss. Myelitis is classified to several categories ...
A spinal disc herniation is an injury to the intervertebral disc between two spinal vertebrae, usually caused by excessive strain or trauma to the spine. It may result in back pain, pain or sensation in different parts of the body, and physical disability. The most conclusive diagnostic tool for disc herniation is MRI, and treatment may range ...
Back pain ( Latin: dorsalgia) is pain felt in the back. It may be classified as neck pain (cervical), middle back pain (thoracic), lower back pain (lumbar) or coccydynia (tailbone or sacral pain) based on the segment affected. [ 1] The lumbar area is the most common area affected. [ 2] An episode of back pain may be acute, subacute or chronic ...
Diastematomyelia (di·a·stem·a·to·my·elia) is a congenital anomaly, often associated with spina bifida, in which the spinal cord is split into halves by a bony spicule or fibrous band, each half being surrounded by a dural sac. Myeloschisis (my·elos·chi·sis) is a developmental anomaly characterized by a cleft spinal cord, owing to ...
The study, undertaken by scientists at the Max Planck Institute, challenges long-standing views and could lead to new treatment approaches for the disease. Although Alzheimer’s disease remains ...