Kaposi sarcoma ; KS ; Kaposi / sarc.flesh+oma.tumor
keloid ; kel.hoof+oid.like
keratin ; kerat.horn+in.protein
keratinization ; ( kerat.horn+in)+iz.make+at+ion.n
keratitis ; kerat.horn+itis.inflammation
keratocentesis ; kerat.horn+o+cent.prick+esis.n
keratosis ; kerat.horn+osis.abnormalstate
kidney ; kid.belly+ney.nephros.kidney
kidney transplantation ; kidney / trans.across+plant.plant+at+ion.n
kidneys, ureter, and bladder ; KUB
kleptomania ; klept.steal+o+man.obsession+ia.n
kraurosis : kraur.shrinking+osis.abnormalstate
kyphosis ; kyph.humpback+osis.abnormalstate