| Nonspecific interstitial pneumonia associated with polymyositis and dermatomyositis: serial high-resolution CT findings and functional correlation. | |
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MedLine Citation:
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PMID: 12684299 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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STUDY OBJECTIVES: We described the features seen on serial high-resolution CT scans of nonspecific interstitial pneumonia (NSIP) that was associated with polymyositis (PM) and dermatomyositis (DM), and we correlated the changes in the CT scan findings with those of pulmonary function test results. Design, setting and patients: Serial CT scans of 14 patients with histologically proven NSIP and PM/DM from two university hospitals were evaluated retrospectively (follow-up period, 3 to 61 months; mean follow-up period, 27.6 months). Using initial and follow-up CT scan findings, the extent of each type of opacity and the total area of increased opacity were calculated and correlated with the results of pulmonary function tests. MEASUREMENTS AND RESULTS: The predominant findings on the initial CT scans were of reticular and/or ground-glass opacities with or without consolidation. Reticular and ground-glass opacities predominated in the lower zone of each lung, and consolidation predominated at the lung periphery. Thirteen patients showed significant improvement of the total area of increased opacity (p < 0.05), and this decrease in extent inversely correlated with changes in FVC (r = -0.650; p = 0.031). Ground-glass and reticular opacities also were improved significantly in 11 and 13 patients, respectively. The decrease in the extent of ground-glass opacity correlated inversely with the changes in FVC (r = -0.758; p = 0.0119) and diffusion capacity for carbon monoxide (r = -0.669; p = 0.0448). In one patient, ground-glass opacity progressed, and death occurred after 3 months. Traction bronchiectasis was seen in 12 patients, and it improved in four patients after treatment. Honeycomb lung was not noted in any patient during follow-up. CONCLUSIONS: With treatment, serial CT scans of PM/DM patients with NSIP showed significant improvement in the abnormal opacities, and radiographic progression of lung fibrosis was limited. The CT scan features and clinical course of NSIP in PM/DM patients were relatively uniform, and this constitutes a subset of NSIP. |
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Authors:
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Hiroaki Arakawa; Hidehiro Yamada; Yasuyuki Kurihara; Yasuo Nakajima; Akira Takeda; Yasutsugu Fukushima; Mutsuhisa Fujioka |
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Publication Detail:
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Type: Journal Article; Multicenter Study |
Journal Detail:
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Title: Chest Volume: 123 ISSN: 0012-3692 ISO Abbreviation: Chest Publication Date: 2003 Apr |
Date Detail:
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Created Date: 2003-04-09 Completed Date: 2003-05-08 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0231335 Medline TA: Chest Country: United States |
Other Details:
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Languages: eng Pagination: 1096-103 Citation Subset: AIM; IM |
Affiliation:
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Departments of Radiology, Dokkyo University School of Medicine, Tochigi, Japan. arakawa@dokkyomed.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Dermatomyositis / complications*, physiopathology Female Humans Image Processing, Computer-Assisted Lung / radiography* Lung Diseases, Interstitial / complications*, physiopathology, radiography* Male Middle Aged Polymyositis / complications*, physiopathology Respiratory Function Tests Retrospective Studies Tomography, X-Ray Computed* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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