Document Detail

Fusiform enlargement of the nasolacrimal canal: a rare anatomic variation.
MedLine Citation:
PMID:  11490926     Owner:  NLM     Status:  MEDLINE    
To determine the standard width and shape of the nasolacrimal canal (NLC) in the coronal plane, a retrospective review of 950 coronal paranasal CT sections was undertaken. The coronal diameter of NLC was measured at its upper and lower ends and anomalies in its configuration noted. The mean diameters of the NLC were 4.8 +/- 1.2 mm and 4.7 +/- 1.1 mm on the right and left sides, respectively. There was no difference in the mean NLC diameter between the right and left sides, upper and lower portions or males and females. In two cases, an abnormal dilation of the NLC at its inferior portion was encountered. A marked enlargement of the NLC can occur in the absence of a neoplastic or obstructive process and may be detected as an isolated finding representing idiopathic or congenital enlargement. Segmental NLC dilatation is not always an indicator of pathology, particularly in asymptomatic cases, and should be considered a rare anatomic variation.
A Siricki; Y Bayazit; M Bayram; S Inaloz
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  23     ISSN:  0930-1038     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2001 Jun 
Date Detail:
Created Date:  2001-08-08     Completed Date:  2002-07-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  163-7     Citation Subset:  IM    
Department of Radiology, Faculty of Medicine, Gaziantep University, Gaziantep, Turkey.
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MeSH Terms
Middle Aged
Nasolacrimal Duct / anatomy & histology*,  radiography
Retrospective Studies
Tomography, X-Ray Computed

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