Fetal-abdomen

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Ultrasound images of fetal abdomen:

Contents of this page:

1) Fetal gall bladder sludge

2) Double bubble sign of duodenal obstruction

3) Fetal ovarian cyst -fetal dermoid cyst vs. twisted ovarian cyst

4) Echogenic fetal bowel

 

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1) Fetal gall bladder sludge:

 

Echogenic particulate matter in fetal GB:

Fetal gall bladder     sludge in fetal gall bladder

Sonography of this 3rd trimester fetus revealed echogenic debris within the gall bladder. These ultrasound images of the fetal gall bladder are diagnostic of biliary sludge. This does not appear to be of any clinical significance, as the sludge usually disappears after birth. Images courtesy of Dr. Jaydeep Gandhi, Mumbai, India.

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2) Double bubble sign of duodenal obstruction:

ultrasound image showing 2 bubbles     ultrasound image of duodenal obstruction

 

Sonography of the fetal abdomen (see pictures above), show 2 anechoic lesions (double bubble sign). The first bubble is formed by the fluid filled fetal stomach, the second being formed by the distended fetal duodenum. The obstruction is likely to be at the 2nd part of the duodenum. These ultrasound images (double bubble sign) suggest the likelihood of duodenal atresia. This sign may also be seen in duodenal stenosis or annular pancreas. These ultrasound images were taken using a Toshiba Nemio 30 ultrasound machine, by Dr. Prasenjeet Singh, Delhi, India. 

Reference: http://radiology.rsnajnls.org/cgi/reprint/220/2/463.pdf (free article and images).

 

3) Fetal ovarian cyst -fetal dermoid cyst vs. twisted ovarian cyst or torsion of ovarian cyst in fetus:

 

  ultrasound image of fetal ovarian cyst     SOnography of fetal ovarian cyst

  Ultrasound image shows gravitating echoes within the cyst     3-D ultrasound image of fetal ovarian cyst

These ultrasound images of a 32 week old female fetus show a relatively large (3.9 cms.) cystic lesion in the right adnexal region, in close relation to the urinary bladder (UB). The cyst shows anechoic fluid content with echogenic debris that sediments towards the dependent part of the cyst (note the changes with change in posture). This type of appearance in a fetus is typical of ovarian cyst with solid debris which may be blood as in twisted ovarian cyst (torsion of ovarian cyst in fetus) or a fetal dermoid cyst of the ovary. The last ultrasound image (lower right) shows a 3-D image of the cystic lesion. All 4 ultrasound images are courtesy of Ravi Kadasne, MD, UAE. He used a Philips IU 22 ultrasound system for these images.

Reference: http://www.thefetus.net/page.php?id=524 

4) Echogenic fetal bowel:

fetal bowel showing increased echogenicity       hyperechoic fetal bowel sonography

Hyperechoic fetal intestine:

 

Sonography of the fetal abdomen done on this 28 week fetus showed markedly hyperechoic bowel and fetal ascites. The normal fetal intestine is isoechoic or hypoechoic with the fetal liver. (Bow = fetal bowel; as= fetal ascites). The bowel echogenicity is compared with that of the fetal liver and graded from frade-0 (isoechoic) to grade-3 (markedly hyperechoic). Hyperechoic bowel in fetus is strongly associated with poor fetal prognosis- fetal growth retardation and anomalies and fetal death. This fetus did not survive. Ultrasound images courtesy of Dr. Vikas Shukla, MD, India.

Reference: http://radiology.rsna.org/content/188/2/527.abstract

 

 

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  This page was last edited on: Tuesday September 06, 2011 11:55 AM  

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