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Kaposi's sarcoma (juvenile rheumatoid arthritis, Still's disease)
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Kawasaki disease (mucocutaneous lymph node syndrome, Kawasaki's syndrome)
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Kawasaki's syndrome (Kawasaki disease, mucocutaneous lymph node syndrome)
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Klinefelter syndrome (XXY syndrome)
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Klumpke paralysis (brachial palsy in the newborn, Erb Palsy)
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keloid (JRA, Still's disease)
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keratitis (corneal ulcers)
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keratosis seborrheica (seborrheic keratosis, seborrheic warts, verruca seborrheica)
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kernicterus (Rh incompatibility, erythroblastosis fetalis, hydrops fetalis, Rh isoimmunization)
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kidney infection (pyelonephritis)
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kidney stones (nephrolithiasis, urolithiasis, urinary calculi)
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kyphosis (roundback, humpback, hunchback, Scheuermann's disease, dowager's hump, Pott's curvature)
