Seed implantation
Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly in or near the target, often a tumor.
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- SEER program
The Surveillance, Epidemiology, and End Results (SEER) program of the National Cancer Institute (NCI), an authoritative source of information on cancer incidence and survival in the US. The SEER program is the only comprehensive source of population-based information in the US that includes stage of cancer at the time of diagnosis and survival rates within […]
- Segawa dystonia
An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in childhood or adolescence with progressive difficulty in walking and, in some cases, with spasticity. DRD, by definition, can be successfully treated with dopa. In Segawa dystonia, the symptoms fluctuate during the day from relative mobility in the morning to increasingly worse disability in […]
- Segment, genomic
A region of the genome; it encompasses objects described as loci or probes. Genomic segments can range in size from points to regions as large as an entire chromosome. There are many types of genomic regions. On a technical level, they include genes, gene elements, amplimers (PCR markers), breakpoints in chromosomes, clones, cytogenetic markers, fragile […]
- Seizure
Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor physical signs, thought disturbances, or a combination of symptoms. The type of symptoms and seizures depend on where the abnormal electrical activity takes place in the brain, what its cause is, and such factors as the patient’s age and general state of […]
- Seizure disorders
Lennox-Gastaut syndrome, Ramsey Hunt syndrome, seizure.