Chorionic villous sampling is a test that examines proteins for deficiencies or defects that are characteristic of hemophilia.
Maternal blood samples were collected at prior to chorionic villous sampling.
Molar disease expressed P2Y6 in the villous trophoblast but not in the proliferative intermediate trophoblast, recapitulating the pattern of first-trimester placenta.
Picture quality is remarkably good - villous architecture is clearly visible.
Simple (i.e. without villous component) and small (1 cm) tubular adenomas are very common and have a low malignant potential.
This is a benign villous adenoma of the rectum showing the polyp to be lined by clear, mucous secreting cells.
We do occasionally find mosaicism in chorion villous cells obtained by the CVS test at 12 weeks gestation.
What are the surgical implications The histology shows villous atrophy with crypt hyperplasia.