Peripheral carcinoidsGmelich and coworkers10 described a case of Kulschitzky-type cells proliferating in the periphery of the lung in association with multiple peripheral carcinoid tumors and suggested that these cells were the origin of peripheral pulmonary carcinoids. Bonikos and coworkers11 described 5 cases of peripheral carcinoid tumors, which they distinguished from the more usual type of bronchial carcinoid by location in distal airways. The histologic appearance of the tumors was the classic...