What more to look for in fetal ventriculomegaly?

Pavithra M. Vengetesh

Abstract

What more to look for in fetal ventriculomegaly?

Dilated lateral ventricles (ventriculomegaly) in the fetus is one of the commonest abnormal findings during the midtrimester target scan. It is not a diagnosis per se; but detection of dilated lateral ventricles should trigger evaluation of the complete central nervous system and the entire fetus. The diagnosis requires the measurement of the lateral ventricles in the correct plane to maintain universal standards. The pathology of ventriculomegaly is diverse. It may be due to a major CNS anomaly, a part of a genetic syndrome, marker of aneuploidy (most commonly trisomy 21) or a manifestation of primary TORCH infection.An invasive diagnostic test (amniocentesis) would be required to confirm chromosomal normalcy.

Author(s): Pavithra M. Vengetesh

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