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Ingestion of foreign bodies is an avoidable accident that is seen mainly in children under 3 years-old. Most of them pass through the digestive tract without causing clinical manifestations or complications, but a significant percentage is impacted in the esophagus causing vomiting, sore throat, dysphagia and drooling. The most common foreign bodies are coins. Complications usually occur when there is a delay in diagnosis or with large, sharp or potentially toxic objects, as the button battery. It is essential to make differential diagnosis between coin and button battery, since the latter requires urgent removal due to the earliness of the injury caused. We report 115 cases of foreign bodies in the esophagus, and we alert the pediatrician in recognizing and preventing this problem.

A 48-year-old woman with a history of autosomal-dominant polycystic kidney disease (ADPKD), was found to have multiple renal angiomyolipomas on a pathological examination after nephrectomy. The clinical and pathological presentation is consistent with the diagnosis of TSC2/PKD1 contiguous gene syndrome, caused by the simultaneous loss of TSC2 and PKD1, the two major genes for tuberous sclerosis complex and ADPKD.