Document Detail


The solitary pulmonary nodule: update 1995.
MedLine Citation:
PMID:  7485206     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: This study analyzed the clinical characteristics, diagnostic evaluation, prevalence of malignancy, and outcome of patients with a solitary pulmonary nodule (SPN) encountered in the outpatient practice of a pulmonologist in an urban university hospital from 1990 to 1993. PATIENTS AND METHODS: SPN was defined as a round or ovoid density < or = 3 cm in diameter within the lung parenchyma. Patients with and without lung cancer in SPNs were compared. RESULTS: Forty patients had a mean age of 65 years, an almost equal sex distribution, high prevalences of cardiovascular disease (53%) and chronic obstructive pulmonary disease (COPD) (33%), but a low incidence of tuberculosis. The mean size of SPNs was 1.8 cm. The prevalence of malignancy was 53%. In SPNs < or = 2 cm in diameter, the prevalence of malignancy was 43%. Nonsurgical biopsy techniques made a diagnosis in 78% of patients. In 94% of patients with lung cancer in SPNs, the tumor was resectable (stage 1, 2, or 3A), emphasizing the need for early detection. Despite the small size of the SPNs, the prevalence of malignancy was high. CONCLUSION: Despite the advanced age and high prevalence of cardiovascular disease and COPD in patients with SPNs, lung cancer that occurs in these lesions appears to have a favorable prognosis if detected promptly.
Authors:
D M Libby; C I Henschke; D F Yankelevitz
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of medicine     Volume:  99     ISSN:  0002-9343     ISO Abbreviation:  Am. J. Med.     Publication Date:  1995 Nov 
Date Detail:
Created Date:  1995-12-14     Completed Date:  1995-12-14     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0267200     Medline TA:  Am J Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  491-6     Citation Subset:  AIM; IM    
Affiliation:
Department of Medicine, New York Hospital-Cornell Medical Center, New York, USA.
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MeSH Terms
Descriptor/Qualifier:
Aged
Biopsy, Needle
Bronchoscopy
Diagnosis, Differential
Female
Humans
Lung Diseases / diagnosis*,  pathology,  radiography
Lung Neoplasms / diagnosis
Male
Middle Aged
Prevalence
Thoracoscopy / methods
Tomography, X-Ray Computed
Video Recording

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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