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Transcytosis of IgG

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Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
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Extrahepatic Bile Duct and Gall Bladder Dissection in Nine-Day-Old Mouse Neonates

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Bile-stained amniotic fluid: a case report.

Surasak Puvabanditsin¹, Charlotte Wang Chen², Suja Vinod²

¹Department of Pediatrics, Rutgers Robert Wood Johnson Medical School, One Robert Wood Johnson Place, New Brunswick, NJ, 08903, USA. surasak1@aol.com.

Journal of Medical Case Reports

|September 7, 2017

Summary

This summary is machine-generated.

Green amniotic fluid in newborns doesn't always mean meconium was passed. This case highlights bile staining from fetal vomiting due to intestinal obstruction as a possible cause.

Keywords:

Amniotic fluid Bile-stained amniotic fluid Intestinal obstruction Neonate

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Area of Science:

Neonatal Medicine
Pediatric Surgery
Obstetrics

Background:

Green-stained amniotic fluid is often presumed to indicate fetal meconium passage.
This assumption can lead to misdiagnosis in certain neonatal conditions.

Observation:

A preterm infant presented with greenish amniotic fluid, initially suspected as meconium-stained.
Postnatal examination revealed no meconium, but a sticky, white first stool.
The infant was diagnosed with congenital jejunal atresia.

Findings:

The greenish amniotic fluid was not due to meconium but bile.
Bile staining resulted from fetal vomiting in utero.
Vomiting was secondary to a congenital intestinal obstruction (jejunal atresia).

Implications:

Pediatricians should consider alternative causes for greenish amniotic fluid, such as bile staining from fetal vomiting.
Accurate diagnosis is crucial for timely intervention in neonatal intestinal obstruction.
This case underscores the importance of thorough postnatal evaluation beyond initial amniotic fluid assessment.