Document Detail

Effect of Lung Volume and Gravity on the Attenuation and Size of a Pure Ground-Glass Nodule.
MedLine Citation:
PMID:  21436745     Owner:  NLM     Status:  Publisher    
Detecting potentially malignant changes in a pure ground-glass nodule (GGN) is challenging. The development of a solid component is a known sign, which may help in differentiating benign from malignant GGN. We report the case of a 58-year-old man presenting with a pure GGN in the posterior segment of the right lower lobe. Follow-up computed tomographic scan after 1 year showed marked increase in attenuation (from -319 HU to +27 HU), whereas the average size of the nodule decreased (from 7 to 4.7 mm). On a computed tomographic scan in the prone position the nodule seemed larger (7.8 mm) and appeared as a pure GGN (-406 HU). Such changes were attributed to the reduction of lung volume and gravity.
Gilbert R Ferretti; François Arbib; Jean François Roux; Vincent Bland; Sylvie Lantuejoul
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-22
Journal Detail:
Title:  Journal of thoracic imaging     Volume:  -     ISSN:  1536-0237     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8606160     Medline TA:  J Thorac Imaging     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
*Clinique Universitaire de Radiologie et Imagerie Médicale ♯Department of Pathology §Clinique Universitaire de Pneumologie, CHU Grenoble †Department of Pathology, Université J Fourier ∥Chirurgie Viscérale et Thoracique ¶Cabinet Médical Anatomie Cytologie Pathologiques, Grenoble ‡Department of Pathology, Institut A Bonniot, la Tronche, France.
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