| Effect of Lung Volume and Gravity on the Attenuation and Size of a Pure Ground-Glass Nodule. | |
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MedLine Citation:
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PMID: 21436745 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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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. |
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Authors:
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Gilbert R Ferretti; François Arbib; Jean François Roux; Vincent Bland; Sylvie Lantuejoul |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-22 |
Journal Detail:
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Title: Journal of thoracic imaging Volume: - ISSN: 1536-0237 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8606160 Medline TA: J Thorac Imaging Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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*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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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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