Document Detail


Comparison of tubal ring and corpus luteum echogenicities: a useful differentiating characteristic.
MedLine Citation:
PMID:  11149525     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this report is to compare the echogenicity of the tubal ring of an ectopic pregnancy and the corpus luteum with that of the ovary for improved detection of early ectopic pregnancy. In patients with ectopic pregnancy diagnosed at sonography on the basis of the presence of an adnexal tubal ring, echogenicity of the ring was compared with the echogenicity of the ovarian parenchyma. Twenty-six patients with tubal rings containing either a yolk sac or cardiac activity were included. Twenty-three (88%) of the 26 tubal rings had echogenicity equal to or greater than that of ovarian parenchyma. In 13 patients with ectopic pregnancy diagnosed on the basis of an empty tubal ring, 10 rings (77%) were more echogenic than the ovary. In 45 control patients with intrauterine pregnancy, the corpus luteum was more echogenic than the ovary in only 3 (7%). The tubal ring of an ectopic pregnancy is usually more echogenic than ovarian parenchyma, and the corpus luteum is usually equal to or less echogenic than the ovary. Echogenicity of an adnexal mass may help distinguish the tubal ring of an ectopic pregnancy from a corpus luteum.
Authors:
M C Frates; A Visweswaran; F C Laing
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine     Volume:  20     ISSN:  0278-4297     ISO Abbreviation:  J Ultrasound Med     Publication Date:  2001 Jan 
Date Detail:
Created Date:  2001-01-08     Completed Date:  2001-03-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8211547     Medline TA:  J Ultrasound Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  27-31; quiz 33     Citation Subset:  IM    
Affiliation:
Department of Radiology, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Corpus Luteum / ultrasonography*
Endosonography
Female
Gestational Age
Humans
Ovary / ultrasonography*
Pregnancy
Pregnancy, Ectopic / ultrasonography*
Retrospective Studies
Ultrasonography, Prenatal
Comments/Corrections
Comment In:
J Ultrasound Med. 2001 Jul;20(7):802   [PMID:  11444740 ]

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


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