Unusual primary lung tumors: A radiologic-pathologic overview

Ana Giménez, Tomás Franquet, Rosa Prats, Pilar Estrada, Jordi Villalba, Silvia Bagué

    Research output: Contribution to journalReview articleResearchpeer-review

    52 Citations (Scopus)

    Abstract

    Although the great majority of lung carcinomas are histologically characterized as adenocarcinoma, squamous cell carcinoma, large cell undifferentiated carcinoma, or small cell carcinoma, a variety of rare benign and malignant lung tumors may sporadically affect the lung. Several nonneoplastic tumorlike lesions are seen infrequently but are also part of the differential diagnosis for lung masses. Conventional radiographic findings, although of limited value in the diagnosis of these entities, should be examined carefully when lung tumors are suspected. Computed tomography (CT) is well suited for making a definitive diagnosis of some disease processes. CT helps determine the location and features of the lesions and depicts associated findings to help document the extent of disease. The differential diagnosis can be narrowed when there are typical CT features (eg, the presence of fat in lipoid pneumonia). Although unusual primary lung tumors are difficult to diagnose on the basis of imaging findings alone because such findings are nonspecific in the majority of cases, cross-sectional imaging can play an important role in the diagnostic work-up of these unusual tumors by delineating their extent and directing the radiologist or bronchoscopist to the appropriate biopsy site. © RSNA, 2002.
    Original languageEnglish
    Pages (from-to)601-619
    JournalRadiographics
    Volume22
    Issue number3
    DOIs
    Publication statusPublished - 1 Jan 2002

    Keywords

    • Amyloidosis, 60.68
    • Granuloma, plasma cell, 60.3183
    • Lung neoplasms, 60.319, 60.321, 60.33, 60.34, 60.371
    • Lung neoplasms, CT, 60.1211
    • Lung neoplasms, diagnosis, 60.1211, 60.1214
    • Lung neoplasms, MR, 60.1214
    • Lung, nodule
    • Lung, radiography, 60.11

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