K

Kostmann disease

An inherited disorder in which there is a lower-than-normal number of neutrophils (a type of white blood cell that is important in fighting infections). Infants … [Read more...]

Kostmann neutropenia

An inherited disorder in which there is a lower-than-normal number of neutrophils (a type of white blood cell that is important in fighting infections). Infants … [Read more...]

Kostmann syndrome

An inherited disorder in which there is a lower-than-normal number of neutrophils (a type of white blood cell that is important in fighting infections). Infants … [Read more...]

KPS

A standard way of measuring the ability of cancer patients to perform ordinary tasks. The Karnofsky Performance scores range from 0 to 100. A higher score means … [Read more...]

Kras gene

A gene that may cause cancer when it is mutated (changed). The Kras gene makes the KRAS protein, which is involved in cell signaling pathways, cell growth, and … [Read more...]

kretek

A cigarette made of a mixture of tobacco and clove. … [Read more...]

KRN5500

A semisynthetic derivative of the nucleoside-like antineoplastic antibiotic spicamycin, originally isolated from the bacterium Streptomyces alanosinicus. KRN … [Read more...]

KRN7000

A drug being studied in the treatment of cancer. It is a biological response modifier that is a type of glycosphingolipid or agelasphin. … [Read more...]

Krukenberg tumor

A tumor in the ovary caused by the spread of stomach cancer. … [Read more...]

KSHV

A type of herpesvirus that may cause Kaposi sarcoma (a rare cancer that can cause skin lesions) and a type of lymphoma (cancer that begins in the lymph system), … [Read more...]