Document Detail

Minute pulmonary meningothelial-like nodules: clinicopathologic analysis of 121 patients.
MedLine Citation:
PMID:  19144385     Owner:  NLM     Status:  MEDLINE    
Minute pulmonary meningothelial-like nodules (MPMNs) are generally detected incidentally in resected lung specimens. With the development of diagnostic radiology, MPMNs have occasionally been detected on thin-section computed tomography. Their clinicopathologic background remains unclear because there have been no reports of a large series of patients with them. Among 1724 pulmonary resections during a 4 1/2 year period, 271 MPMNs were identified in 121 patients (7.0%) after pathologic examination. Minute pulmonary meningothelial-like nodules were seen more often in females than in males (10.7% versus 4.5%; odds ratio, 2.01; 95% confidence interval, 1.36-2.97; P < .001). Minute pulmonary meningothelial-like nodules were present in all lobes, and the frequency of incidence was not different between lobes. The incidence frequency of MPMNs was not different between age groups. Minute pulmonary meningothelial-like nodules were found more often in patients with malignant pulmonary tumors than in those with benign disease (7.3% versus 2.5%; P = .044). In particular, MPMNs were found more often in patients with lung adenocarcinoma than with other primary pulmonary malignant tumors (9.4% versus 4.5%; odds ratio, 2.33; 95% confidence interval, 1.35-4.02; P < .01). There was no significant difference in clinicopathologic factors between patients with single and multiple MPMNs, except for the size of each nodule.
Eiki Mizutani; Koji Tsuta; Akiko M Maeshima; Hisao Asamura; Yoshihiro Matsuno
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Publication Detail:
Type:  Journal Article     Date:  2009-01-14
Journal Detail:
Title:  Human pathology     Volume:  40     ISSN:  1532-8392     ISO Abbreviation:  Hum. Pathol.     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-04-13     Completed Date:  2009-06-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9421547     Medline TA:  Hum Pathol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  678-82     Citation Subset:  IM    
Clinical Laboratory Division, National Cancer Center Hospital, Tokyo 104-0045, Japan; Thoracic Surgery Division, National Cancer Center Hospital, Tokyo 104-0045, Japan.
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MeSH Terms
Aged, 80 and over
Lung Diseases / complications,  epidemiology*,  pathology*
Lung Neoplasms / complications
Middle Aged
Sex Factors

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