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Title: [Papillary adenoma of type-II pneumocytes as a rare differential diagnosis of a solitary pulmonary nodule]. Author: Gesierich W, Diwersy C, Leinsinger G, Massmann J, Präuer H, Höfler H, Fend F, Emslander HP. Journal: Pneumologie; 2007 Nov; 61(11):697-9. PubMed ID: 17886196. Abstract: The case of a 66-year-old, asymptomatic patient with a papillary adenoma of type-II pneumocytes is reported. Following the coincidental radiologic finding of a solitary pulmonary nodule, the diagnosis could be established in a bronchoscopically obtained endobronchial biopsy. A resection of the involved segments S8-10 on the left side was performed. Papillary adenoma of type-II pneumocytes is a rare tumor, whose origin is suspected in progenitor cells of the bronchioloalveolar epithelium with the potential to differentiate towards type-II pneumocytes and clara cells. The tumor is regarded as benign, however, a malignant potential is not excluded by some authors.[Abstract] [Full Text] [Related] [New Search]