Foreign body ingestion in trachea is a common occurrence children. However, pharyngeal foreign bodies are rare. Unlike the trachea, lumen of pharynx not kept patent by tracheal cartilage. Therefore, it difficult to distinguish from surrounding tissues. In addition, photographed lung window, so radiolucent objects may be seen, but mediastinal window sometimes appear invisible. If suspected, then...

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PURPOSE In this paper we present our experience with dissolution therapy of radiolucent calculi. MATERIALS AND METHODS This was a retrospective analysis of patients who were offered urinary dissolution therapy between January 2010 and June 2011. Patients were treated with tablets containing potassium citrate and magnesium oxide. Partial dissolution was defined as at least a 50% reduction in s...