Wereport a case of mucousgland adenomaof the trachea in a 73-year-old male revealed by bronchoscopy. The tumor was resected with a contact neodymium:yttrium aluminum garnet (Nd-YAG)laser after five years of observation. The tumor was histologically peculiar because it presented numerous cystically dilated, or irregularly shaped mucus-filled glands lined with cuboidal or tall columnar cells. In some parts, the lining cells of the tumor showed papillary proliferation. Wediagnosed this tumor as a mucous gland ad…
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