WS

An inherited disorder marked by rapid aging that begins in early adolescence. Patients may be shorter than average, and have health problems such as loss and … [Read more...]

WX-671

A substance being studied in the treatment of several types of cancer. It blocks the action of certain enzymes, and it may help keep cancer cells from growing … [Read more...]

x-ray

A type of high-energy radiation. In low doses, x-rays are used to diagnose diseases by making pictures of the inside of the body. In high doses, x-rays are used … [Read more...]

x-ray therapy

A type of radiation therapy that uses high-energy radiation from x-rays to kill cancer cells and shrink tumors. … [Read more...]

Xeloda

A drug used to treat stage III colon cancer in patients who had surgery to remove the cancer. It is also used to treat metastatic breast cancer that has not … [Read more...]

XELOX

An abbreviation for a chemotherapy combination used to treat colorectal cancer that has spread. It is also being studied in the treatment of other types of … [Read more...]

XELOX regimen

An abbreviation for a chemotherapy combination used to treat colorectal cancer that has spread. It is also being studied in the treatment of other types of … [Read more...]

xenograft

The transplant of an organ, tissue, or cells to an individual of another species. … [Read more...]

xeroderma pigmentosum

A genetic condition marked by an extreme sensitivity to ultraviolet radiation, including sunlight. People with xeroderma pigmentosum are not able to repair skin … [Read more...]

xerogram

A picture of the body recorded on paper rather than on film. Also called xeroradiograph. … [Read more...]