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  • Title: Small nodular lesions in the lung periphery: new approach to diagnosis with CT.
    Author: Mori K, Saitou Y, Tominaga K, Yokoi K, Miyazawa N, Okuyama A, Sasagawa M.
    Journal: Radiology; 1990 Dec; 177(3):843-9. PubMed ID: 2243999.
    Abstract:
    To evaluate relationships between lesions in the lung periphery and surrounding structures, particularly vessels and bronchi, axial multiplanar reconstruction (AMPR) computed tomography (CT) was used to study 26 patients who underwent surgical resection of pulmonary nodules less than 3 cm in diameter. Findings at AMPR CT, conventional CT, and digital radiographic tomography were compared with findings obtained at evaluation of the resected specimen with regard to the ability to display the relationships between vessels, bronchi, and lesions. AMPR CT was significantly superior to conventional CT and digital radiographic tomography in detecting involvement of pulmonary vessels (P less than .001). Involvement of pulmonary veins was seen in all lung cancers, whereas such involvement was seen in only one of eight nonneoplastic lesions. Thus, involvement of pulmonary veins is strongly suggestive of malignancy. AMPR CT permits three-dimensional visualization and morphologic assessment of pulmonary nodules.
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