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In most instances, congenital arteriovenous fistula is only one manifestation of a more widespread abnormality; 60% of patients also have hereditary hemorrhagic telangiectasis (Rendu-Osler-Weber syndrome). Among those with congenital pulmonary arteriovenous fistula, the diagnosis is made during infancy in only 15% of patients. We present a case of pulmonary arteriovenous fistula in a newborn and review the literature. This rare condition of newborns can be treated with different surgical procedures. Only 17 cases of newborn pulmonary arteriovenous fistula/have been reported, and only two of those had associated Rendu-Osler-Weber syndrome. The results of surgical procedures were good in most of these cases. We treated our case with lobectomy successfully.

We report a case of mucopolysaccharidoses I with severe cardiac involvement, which was diagnosed on the basis of clinical and laboratory findings even though, symptoms begin to occur in mucopolysaccharidoses after the first year of life. In our case cardiac failure occurred in the third month of life, which resulted in the patient's death after one month.