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Definition A kidney stone is a hard, crystalline mineral material formed within the kidney or urinary tract. Kidney stones are a common cause of blood in the urine (hematuria) and often severe pain in the abdomen, flank, or groin. Kidney stones are sometimes called renal calculi. The condition of having …

Description Kabuki syndrome is a rare, multisystem disorder characterized by multiple abnormalities including distinctive facial features, growth delays, varying degrees of intellectual disability, skeletal abnormalities, and short stature. A wide variety of additional symptoms affecting multiple different organ systems can potentially occur. The specific symptoms associated with Kabuki syndrome can …

Definition Koilonychia is a condition where the nails do not develop normally and are very thin and concaved with raised edges. Due to the concavity of the nails, they are also known as “spoon” nails. Other than the concavity, koilonychia also affects the texture, color, shape, and thickness of the …

Definition Krabbe disease is an inherited disorder characterized by progressive muscle weakness and stiffness, feeding problems, slowed mental and physical development, vision loss, and seizures. It involves the deficiency in the enzyme galactocerebrosidase (GALC), which is important in the growth and maintenance of myelin, the protective covering around the nerve …

Definition Klinefelter is a genetic disorder that affects males; this is due to when a male born with an extra copy of X chromosome, which causes infertility, low testosterone and other abnormalities such as breast development. This syndrome affects the testicular growth, results in smaller testicles and may cause reduced …

Definition Kawasaki disease causes inflammation in the walls of medium-sized arteries throughout the body. It primarily affects children. The inflammation tends to affect the coronary arteries, which supply blood to the heart muscle. Kawasaki disease is sometimes called mucocutaneous lymph node syndrome because it also affects lymph nodes, skin, and …

Introduction Keratomalacia is a pathological condition of the eyes which is caused as a result of deficiency of vitamin A. This disease causes scarring of the cornea and fibrotic deformity of the eyeballs. The role of vitamin A for the eyes is to maintain structures like cornea and conjunctiva. In …