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The oncocytoma constitutes 3-6% of the kidney neoplasiae. The authors report one case of calcified kidney tumor, Its presentation as a calcified kidney mass is exceptional and is not present in the largest series of calcified kidney tumors. The calcification prognosis is much debated, even more in the case of oncocytoma due to the very limited series available. For calcified kidney tumor, the oncocytoma should be included as one of the differential diagnosis, even if it is not very frequent.

In 11 years (1971-1981) 1.040 cases of anomalies of the cardio-hiatal sector have been controlled in the Children's Hospital of the Social Security of Barcelona, 101 patients were operated. Surgical indication was based on the following facts: size of the hernia, poor clinical evolution with postural treatment, or infants of more than 2 years who also presented a high gastric acidity or a clearly pathological pHmetry, or, lastly, a social cause. We have used a much more physiological technique than that of Nissen, based on the obtention of a large segment of the abdominal esophagus on which changes of pressure existing in the abdominal and thoracic cavities can act, clearly registered in manometric studies effected before and after operation. The few complications observed in this large series of operated children speak clearly in favour of its necessary diffusion and utilization.

Two cases of mediastinal lipoblastomatosis have been observed and cured by surgical excision: one, a circumscribed form, in a 6 months old boy, other, a diffuse form, in a 20 months old girl. Both are in good health for a 11 and 2 years period of follow-up observation respectively. The subject is reviewed.