A mutation in the KRAS gene is one of the most frequently found genetic changes in cancer, affecting how cells grow and divide. Understanding this mutation can help guide treatment decisions for many patients with cancer.

Kaposi’s sarcoma is a type of cancer that forms in the lining of blood and lymph vessels, causing distinctive colored skin lesions that can also affect internal organs in more severe cases.

Kawasaki’s disease is a rare condition that causes inflammation in blood vessels throughout the body, mainly affecting young children. While it can seem frightening with its high fever and visible symptoms, early treatment can prevent serious complications and most children recover fully.

KBG syndrome is a rare genetic disorder that affects multiple body systems, characterized by distinctive facial features, unusually large front teeth, short stature, skeletal abnormalities, and developmental delays. Named after the initials of the first families diagnosed, this condition shows wide variation in how it affects individuals, even within the same family.

Kearns-Sayre syndrome is a rare condition that mainly affects the eyes, heart, and muscles, caused by problems in the tiny energy-producing structures within body cells. Most people develop symptoms before age 20, and while there is no cure, early diagnosis and supportive care can help manage the condition and improve quality of life.

Keratinising squamous cell carcinoma of the nasopharynx is a distinct type of throat cancer that forms in the upper part of the throat behind the nose, where cancer cells are covered with a protein called keratin.

Keratosis pilaris is a common and harmless skin condition that affects millions of people worldwide, causing small, rough bumps that many describe as “chicken skin” or “gooseflesh.”

Kidney transplant rejection happens when your body’s immune system recognizes your new kidney as foreign and tries to attack it. While this can sound frightening, understanding the signs and knowing that most rejection episodes can be successfully treated can help you protect your new kidney.

Klinefelter’s syndrome is a common genetic condition affecting males who are born with at least one extra X chromosome, leading to a wide range of physical and developmental differences that many may not even realize they have.

Knee arthroplasty is one of the most successful surgeries performed today, helping people with severe knee pain and limited mobility return to their daily activities and enjoy life again.

Krabbe’s disease is a rare, inherited condition that progressively damages the protective covering of nerve cells in the brain and nervous system, leading to severe neurological problems that worsen over time and usually result in death, most commonly affecting babies in their first year of life.