Document Detail


Interstitial line: sonographic finding in interstitial (cornual) ectopic pregnancy.
MedLine Citation:
PMID:  8372223     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To evaluate the relationship of the endometrial canal and decidua vera to the interstitial gestational sac and to determine if this relationship can be used to increase the predictive value of ultrasound (US) in the diagnosis of interstitial ectopic pregnancy. MATERIALS AND METHODS: The US findings in 12 patients with interstitial ectopic pregnancy were reviewed. Radiologists also reviewed the cases of 40 patients with various diagnoses to assess the accuracy of the interstitial line sign. RESULTS: US showed a definite gestational sac in four of the 12 patients (33%); the rest had a heterogeneous mass in the cornual region. Thinning of the myometrial mantle was seen in these four patients. The gestational sac appeared eccentric in three of these but in only three of 12 (25%) overall. The endometrial canal or interstitial portion of the tube was identified in 11 of 12 patients (92%). The interstitial line had better sensitivity (80%) and specificity (98%) than eccentric gestational sac location (sensitivity, 40%; specificity, 88%) and myometrial thinning (sensitivity, 40%; specificity, 93%) for the diagnosis of interstitial ectopic pregnancy. CONCLUSION: The interstitial line sign is a useful diagnostic sign of interstitial ectopic pregnancy.
Authors:
T E Ackerman; C S Levi; S M Dashefsky; S C Holt; D J Lindsay
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Radiology     Volume:  189     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  1993 Oct 
Date Detail:
Created Date:  1993-10-14     Completed Date:  1993-10-14     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  83-7     Citation Subset:  AIM; IM    
Affiliation:
Section of Ultrasound Health Sciences Centre, Winnipeg, Manitoba, Canada.
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MeSH Terms
Descriptor/Qualifier:
Adult
Amnion / ultrasonography*
Chorion / ultrasonography*
Decidua / ultrasonography*
Diagnosis, Differential
Endometrium / ultrasonography*
Female
Forecasting
Humans
Observer Variation
Pregnancy
Pregnancy, Ectopic / ultrasonography
Pregnancy, Tubal / ultrasonography*
Sensitivity and Specificity

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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