10 weeks pregnancy with physiologic midgut herniation

Описание: Midgut herniation is a normal physiologic occurrence during fetal development.

A number of significant features differentiate physiologic midgut herniation from an omphalocele: (i) Midgut herniation descends back into the abdominal cavity by 12 weeks gestational age. (ii) Midgut herniation will have a heterogeneous appearance within the encapsulated umbilicus, while an omphalocele will tend to have a more homogeneous appearance. (iii) Midgut herniation will present as a small spherical shape, while an omphalocele will present with a large circular shape anterior to the abdominal wall. (A physiologic midgut herniation measures between 4 and 7 mm and an omphalocele measures greater than 7 mm.10) (iv) The “tip of the iceberg” sign for an omphalocele is the definite appearance of the liver along with small bowel within the herniation.

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