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CORRESPONDENCE
Year : 2018  |  Volume : 26  |  Issue : 3  |  Page : 170

Reply to comment on an intrauterine gestational sac surrounded by thin myometrium at fundus


1 Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan
2 Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan, Department of Medical Research, Mackay Memorial Hospital, Taipei, Taiwan, Department of Biotechnology, Asia University, Taichung, Taiwan, School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan, Institute of Clinical and Community Health Nursing, Taipei, Taiwan, Department of Obstetrics and Gynecology, School of Medicine, National Yang-Ming University, Taipei, Taiwan

Date of Web Publication14-Sep-2018

Correspondence Address:
Prof. Chih-Ping Chen
Department of Obstetrics and Gynecology, Mackay Memorial Hospital, No. 92, Section 2, Chung-Shan North Road, Taipei 10449
Taiwan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JMU.JMU_75_18

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How to cite this article:
Lai ST, Chen CP, Lin CJ, Chen YN, Chen SW. Reply to comment on an intrauterine gestational sac surrounded by thin myometrium at fundus. J Med Ultrasound 2018;26:170

How to cite this URL:
Lai ST, Chen CP, Lin CJ, Chen YN, Chen SW. Reply to comment on an intrauterine gestational sac surrounded by thin myometrium at fundus. J Med Ultrasound [serial online] 2018 [cited 2021 Apr 11];26:170. Available from: http://www.jmuonline.org/text.asp?2018/26/3/170/241148

Dear Editors,

We are pleased that Dr. Abdelazim et al. are interested in our paper.[1] We thank them for their valuable comments.

In some studies, the terms “interstitial” and “cornual” pregnancy are frequently used synonymously. Ackerman et al.[2] in Radiology (1993) wrote, “interstitial (cornual) ectopic pregnancy represents 2%–3% of all ectopic pregnancy.” Faraj and Steel [3] in The Obstetrician and Gynaecologist (2007) wrote, “pregnancies implanted in this site are called interstitial (cornual) pregnancies.” Wright [4] in Journal of Diagnostic Medical Sonography (2008) wrote, “interstitial ectopic pregnancy, also referred to as a cornual ecopic pregnancy, is a rare form of ectopic pregnancy.” Similarly, Walid and Heaton [5] in German Medical Science (2010) wrote, “cornual (interstitial) ectopic pregnancy is an uncommon variant of ectopic pregnancy.”

In other studies, the two terms have been used for different types of ectopic pregnancy. Moawad et al.[6] in the American Journal of Obstetrics and Gynecology (2010) wrote, “interstitial pregnancy sometimes is mistakenly referred to as cornual pregnancy and frequently confused with angular pregnancy.” Sargin et al.[7] in Journal of Clinical and Diagnostic Research (2015) wrote, “interstitial and cornual ectopic pregnancy can be used in the place of each other. However, they actually describe two different entities.” Rizk et al.[8] stated that the term “cornual ectopic pregnancy” should only be used in a rudimentary uterine horn, a unicornuate uterus, the cornual region of a septate uterus, a bicornuate uterus, or a uterus didelphys. The current version of William's Obstetrics supports the lemmas of Moawad et al.,[6] which describe cornual pregnancy as a conception that develops in the rudimentary horn of a uterus with a Müllerian anomaly.

Strickly by definition, our case should be described as interstitial pregnancy. We very much appreciate the suggestion from Dr. Abdelazim et al. and thank you once again for your time and interest.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Lai ST, Chen CP, Lin CJ, Chen YN, Chen SW. An intrauterine gestational sac surrounded by thin myometrium at fundus. J Med Ultrasound 2017;25:255-7.  Back to cited text no. 1
    
2.
Ackerman TE, Levi CS, Dashefsky SM, Holt SC, Lindsay DJ. Interstitial line: Sonographic finding in interstitial (cornual) ectopic pregnancy. Radiology 1993;189:83-7.  Back to cited text no. 2
    
3.
Faraj R, Steel M. Review management of cornual (interstitial) pregnancy. The Obstetrician & Gynaecologist 2007;9:249-55.  Back to cited text no. 3
    
4.
Wright CN. Sonographic evaluation of interstitial (cornual) ectopic pregnancy. J Diagn Med Sonogr 2008;24:374-9.  Back to cited text no. 4
    
5.
Walid MS, Heaton RL. Diagnosis and laparoscopic treatment of cornual ectopic pregnancy. Ger Med Sci 2010;8:Doc16.  Back to cited text no. 5
    
6.
Moawad NS, Mahajan ST, Moniz MH, Taylor SE, Hurd WW. Current diagnosis and treatment of interstitial pregnancy. Am J Obstet Gynecol 2010;202:15-29.  Back to cited text no. 6
    
7.
Sargin MA, Tug N, Ayas S, Yassa M. Is interstitial pregnancy clinically different from cornual pregnqancy? A case report. J Clin Diagn Res 2015;9:QD05-6.  Back to cited text no. 7
    
8.
Rizk B, Holliday CP, Abuzeid M. Challenges in the diagnosis and management of interstitial and corneal ectopic pregnancies. Middle East Fertil Soc J 2013;18 235-40.  Back to cited text no. 8
    




 

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