• Masahide Oki and Hideo Saka.
• Department of Respiratory Medicine, Nagoya Medical Center, Nagoya, Japan. masahideo@aol.com
• J Bronchology Interv Pulmonol. 2013 Jan 1;20(1):21-7.

BackgroundAirway stenting has become a popular method for palliation of airway stenosis; however, little has been reported about their use for patients with malignant lymphoma that occasionally causes a life-threatening condition. The aim of the study was to evaluate the efficacy and safety of airway stenting in chemoradiotherapy naive patients with severe airway stenosis due to malignant lymphoma.MethodsPatients who underwent airway stent placement from April 2007 to July 2011 in a single center were retrospectively reviewed. All stenting procedures were performed using rigid and flexible bronchoscopes under general anesthesia.ResultsWe performed 174 airway stenting procedures (silicone stents in 154 procedures and metallic in 20 procedures) for 150 patients during the study period. Of the patients, 7 had untreated malignant lymphomas (4 diffuse large B-cell lymphomas, 2 lymphoblastic lymphomas, 1 mucosa-associated lymphoid tissue lymphoma). All patients underwent stenting using the silicone Y-stent (6 on the main carina and 1 on the primary right carina). Dyspnea was relieved immediately in 6 of 7 patients including the mechanically ventilated patient. Stents could be removed in all patients (median 90 d after stenting; range, 32 to 245 d) because of the tumor response to tumor-specific therapy. One granuloma formation and 1 mucus retention triggered the decision to remove the stents.ConclusionsAirway stenting using silicone stents is safe and effective in palliation of airway stenosis in patients with untreated malignant lymphoma, and permits postprocedural tumor-specific therapy. The response to tumor-specific therapy can be expected, and so removable stents should be selected.

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