Four-dimensional color Doppler ultrasound without renal pelvic separation

Four-dimensional color Doppler ultrasound without renal pelvic separation

During pregnancy, expectant mothers need to undergo a pre-pregnancy color Doppler ultrasound examination. Color Doppler ultrasound can show the baby's physical development, especially physical health, which is very important. However, you need to pay attention when doing this color Doppler ultrasound, and you also need to understand the results of the examination clearly, so as to avoid worries and solve some doubts. What is the manifestation of non-separation of the renal pelvis in four-dimensional color Doppler ultrasound?

Core Tip: When prenatal ultrasound examination during pregnancy shows fetal renal pelvic separation, there is no need to be too nervous, but dynamic observation is necessary. If it persists or gradually increases, it does not allow the exclusion of organic diseases such as urinary tract malformations or obstructions. After the fetus is born, pediatric nephrology and urology should be consulted as soon as possible, and intervention should be performed early to improve the prognosis.

The four-dimensional examination of fetal renal pelvic separation is simply the separation of the junction between the kidney and ureter, which is one of the most common abnormal indicators in prenatal ultrasound screening. Generally, if the separation of the renal pelvis is less than 10 mm, it is within the normal range. If the fetus is no larger than 16 mm at birth, there is no problem. If it continues to increase, it should be reviewed or treated regularly. Physiological and pathological phenomena are common, as follows:

1. Physiological phenomena

Generally speaking, if four-dimensional color Doppler ultrasound finds that the fetal renal pelvis is separated within 10 mm, it is a physiological phenomenon and pregnant mothers do not need to worry too much. The separation of the renal pelvis is clinically known as a form of urine accumulation in the fetal kidney. Generally speaking, it refers to the separation of the renal pelvis when the fetus is in a sputum state during B-ultrasound examination. If the fetus expels urine from the body, the state of the renal pelvis will be separated. Therefore, if pregnant women experience similar symptoms during pregnancy, please do not worry.

2. Pathological phenomena

If the distance between the fetal renal pelvis is greater than 16 mm, four-dimensional color ultrasound should be considered to be a pathological phenomenon. If the baby has malformations of the kidneys or urinary organs, etc. At this point, further examination is needed to determine whether the fetus has abnormal development of organs such as the kidneys and ureters.

To sum up, this is a detailed introduction to what it means when four-dimensional color ultrasound shows no renal pelvis separation. I hope it will be helpful to everyone. When you get a four-dimensional examination chart showing fetal renal pelvis separation, you should not be nervous or entangled. The best time to check for fetal renal pelvic separation is after 6 to 8 weeks of pregnancy or 32 to 34 weeks of pregnancy. Be sure to pay close attention to fetal movement monitoring. If it persists or gradually increases, it does not allow the exclusion of organic diseases such as urinary tract malformations or obstructions. After birth, pediatric nephrology and urology should be consulted as soon as possible and intervention should be performed early to improve prognosis.

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