2022年8月12日 · A decidual reaction is a feature seen in very early pregnancy where there is thickening of the endometrium around the gestational sac, which is seen as an echogenic rim …

2021年9月20日 · The double decidual sac sign (DDSS) is a useful feature on early pregnancy ultrasound to confirm an early intrauterine pregnancy (IUP) when the yolk sac or embryo is still …

2019年3月5日 · Unlike a gestational sac, the pseudosac is central within the endometrial cavity, is surrounded by a single layer of decidua, and may contain blood. A normal gestational sac is …

493 Ultrasound Appearance of Decidual Reaction inthe Uterus During Normal Pregnancy Richard J.Turner1 and Barbara A.Carroll1 Received January 9,1979; accepted after re- vision May2,1979.

A. Transvaginal ultrasonography demonstrates two concentric echogenic rings (arrowheads) with intervening trace hypoechoic material, known as the double decidual sac sign. B. Graphical …

2012年11月23日 · The sonographic appearance of the decidual changes undergone by the uterus during normal pregnancy is described in 88 ultrasound examinations on 75 obstetrical patients.

The gestational sac implants and is surrounded by a decidual reaction. The echogenic line of the uterine cavity bypasses the gestational sac –. Intradecidual This differentiates a low lying …

2009年3月16日 · To describe the sonographic appearance of the decidua basalis and its changes in the first trimester of pregnancy. We reviewed images from 159 first-trimester ultrasound …

The sonographic appearance of the decidual changes undergone by the uterus during normal pregnancy is described in 88 ultrasound examinations on 75 obstetrical patients.

2016年5月19日 · Ultrasound image of double decidual sac sign. Inner ring represents chorion, embryonic disc and decidua capsularis and outer ring represents decidua basalis. A …

Ultrasound can readily distinguish the most common causes of vaginal bleeding in early pregnancy, and plays an essential role in patient management. Familiarity with the US …

2025年1月17日 · Decidual Reaction: The presence of a thickened endometrium can be seen, often described as the “decidual cast.” In clinical practice, look closely for these signs, …

2016年8月29日 · The normal sac has an echogenic border greater than 2 mm thick, which represents the choriodecidual reaction. A double decidual sac sign is evident in about 85% of …

The "Double Decidual Sign", first described by Nyberg and co-workers consists of two echogenic rings surrounding the hypoechoic gestational sac. The inner ring represents the chorion, …

2017年6月4日 · Nyberg and associates analyzed the appearance of the gestational sac in 168 subjects and found that a thin decidual reaction (≤2 mm), a weakly echogenic decidual …

When the edometrium is abnormally thick or irregularly echogenic, the differential diagnosis includes intrauterine blood or retained products of conception after an incomplete spontaneous …

2016年7月16日 · The thickening and functional change of the endometrium in response to pregnancy is called decidual reaction, and the endometrium is now called decidua. The …

The sonographic appearance of the decidual changes undergone by the uterus during normal pregnancy is described in 88 ultrasound examinations on 75 obstetrical patients.

An ovarian decidual reaction usually represents a response of the indigenous stroma cells to the hormonal milieu of pregnancy. Ectopic decidua may be seen as early as the 9th week of …