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Pulmonary blastoma within bronchioloalveolar cell carcinoma
Toshiyuki Harada1, Noriaki Sukoh, Nobuyuki Hakuma
1Internal Medicine, Iwamizawa Municipal General Hospital, Iwamizawa, Japan. t-harada@hamanasu.com
Abstract:
Pulmonary blastoma is a rare tumour of the lung composed of epithelial and mesenchymal elements that morphologically resemble the embryonal structure of the lung. The authors report a 79-year-old man who was diagnosed with a pulmonary blastoma within bronchioloalveolar cell carcinoma. Macroscopic, histopathological and immunohistochemical findings suggested that the pulmonary blastoma was closely associated with the bronchioloalveolar cell carcinoma.