Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + • Uncommon• < 1% of pulmonary tumors• Include:-Fibromas-Leiomyomas-Neurofibromas-Myoblastomas-Benign metastasizing leiomyomas• Most lesions peripheral +++ Symptoms and Signs + • Peripheral: Asymptomatic• Central lesions: Cough, wheezing, hemoptysis, recurrent pneumonia +++ Imaging Findings + • Chest film: 1-2 cm well-circumscribed, bosselated lower lung nodule with calcifications in 10-30% + • May be difficult to distinguish from malignant lesions; distinction may occur only after excision + • Chest x-ray• Bronchoscopy may be needed for central lesions• Pathologic diagnosis obtained by surgery or fine-needle aspiration + • Wedge resection• Lobectomy if involves proximal airway and associated with infections or bronchiectasis +++ Surgery +++ Indications + • Tissue diagnosis, if unobtainable by bronchoscopy +++ Prognosis + • Excellent +++ References ++Gould MK et al. Accuracy of positron emission tomography for diagnosis of pulmonary nodules and mass lesions: a meta-analysis. JAMA. 2001;285:914. [PubMed: 11180735] Your MyAccess profile is currently affiliated with '[InstitutionA]' and is in the process of switching affiliations to '[InstitutionB]'. Please click ‘Continue’ to continue the affiliation switch, otherwise click ‘Cancel’ to cancel signing in. Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Username Error: Please enter User Name Password Error: Please enter Password Forgot Username? Forgot Password? Sign in via OpenAthens Sign in via Shibboleth