Kala-azar
Kallmann syndrome
Kaposi’s sarcoma
Katayama fever
Kawasaki disease
Keloid scar
Keloids
Keratin cyst
Keratitis interstitial
Keratitis sicca
Keratoconjunctivitis sicca
Keratoconus
Keratosis - actinic (solar)
Keratosis - seborrheic
Keratosis obturans
Keratosis pilaris
Ketoacidosis
Ketoacidosis - alcoholic
Kidney - polycystic
Kidney cancer
Kidney damage
Kidney disease
Kidney failure
Kidney failure - chronic
Kidney failure - chronic blockage
Kidney failure - end stage
Kidney infection (pyelonephritis)
Kidney injury
Kidney stones
Kidney tumor
Kimmelstiel-Wilson disease
Kinky hair disease
Kissing disease
Klinefelter syndrome
Klippel-Trenaunay syndrome
Klippel-Trenaunay-Weber Syndrome
Klumpke paralysis
Knock knees
Korsakoff psychosis
Krabbe disease
KTS
Kufs' disease
Kuru
Kwashiorkor
Kyphoscoliosis
Kyphosis