Applicability of ultrasonography for detection of marginal sinus placenta previa

Hiroki Ishibashi, Morikazu Miyamoto, Hiroshi Shinmoto, Shigeyoshi Soga, Hideki Iwahashi, Soichiro Kakimoto, Hiroko Matsuura, Takahiro Sakamoto, Taira Hada, Rie Suzuki, Masashi Takano

研究成果: Article査読

1 被引用数 (Scopus)

抄録

ABSTRACT: This study aimed to examine whether marginal sinus placenta previa, defined as when the marginal sinus just reaches the internal cervical os and placental parenchyma might be >2 cm from the internal cervical os, can be diagnosed using ultrasonography (US). We identified the placenta previa cases that underwent both US and magnetic resonance imaging (MRI) between April 2010 and December 2018 at our institution. The diagnostic discrepancies for marginal sinus placenta previa between US and MRI were examined retrospectively. Of the 183 cases of placenta previa, 28 (15.3%) cases were diagnosed as marginal sinus placenta previa using MRI. Among them, 18 cases (64.3%) could also be diagnosed using US. The sensitivity and specificity of the diagnosis of marginal sinus placenta previa using US were 64.3% and 92.9%, respectively. A change in US diagnosis occurred in 10 (35.7%) cases, all of which were diagnosed with low-lying placenta previa or marginal placenta previa and did not develop any serious miserable obstetrical outcomes. In conclusion, the diagnostic accuracy of US for detecting marginal sinus placenta previa was not significant. MRI examination may be required to accurately categorize the types of placenta previa.

本文言語English
ページ(範囲)e24253
ジャーナルMedicine
100
1
DOI
出版ステータスPublished - 2021 1月 8
外部発表はい

ASJC Scopus subject areas

  • 医学(全般)

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