[Papillary adenoma of type-II pneumocytes as a rare differential diagnosis of a solitary pulmonary nodule].
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.
Gesierich
W
W
Abteilung für Innere Medizin/Pneumologie, Kreiskrankenhaus Erding. GesierichW@aol.com
Diwersy
C
C
Leinsinger
G
G
Massmann
J
J
Präuer
H
H
Höfler
H
H
Fend
F
F
Emslander
H-P
HP
D000236:Adenoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D000368:Aged; D001706:Biopsy; D001999:Bronchoscopy; D003937:Diagnosis, Differential; D006801:Humans; D033162:Incidental Findings; D008168:Lung / Q000473:pathology*; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008297:Male; D011013:Pneumonectomy; D003074:Solitary Pulmonary Nodule / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D014057:Tomography, X-Ray Computed