The role of ultrasound in the choice between chorionic villus sampling and amniocentesis for patients with a positive NIPT result for trisomy 18/13.

08:00 EDT 12th July 2019 | BioPortfolio

Summary of "The role of ultrasound in the choice between chorionic villus sampling and amniocentesis for patients with a positive NIPT result for trisomy 18/13."

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Name: Prenatal diagnosis
ISSN: 1097-0223


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Medical and Biotech [MESH] Definitions

A method for diagnosis of fetal diseases by sampling the cells of the placental chorionic villi for DNA analysis, presence of bacteria, concentration of metabolites, etc. The advantage over amniocentesis is that the procedure can be carried out in the first trimester.

A sampling methodology using small sample sizes when conducting surveys in small geographical or population-based areas or lots.

Sampling of blood levels of the adrenocorticotropic hormone (ACTH) by withdrawal of blood from the inferior petrosal sinus. The inferior petrosal sinus arises from the cavernous sinus and runs to the internal jugular vein. Sampling of blood at this level is a valuable tool in the differential diagnosis of Cushing disease, Cushing syndrome, and other adrenocortical diseases.

The threadlike, vascular projections of the chorion. Chorionic villi may be free or embedded within the DECIDUA forming the site for exchange of substances between fetal and maternal blood (PLACENTA).

The use of ultrasound to guide minimally invasive surgical procedures such as needle ASPIRATION BIOPSY; DRAINAGE; etc. Its widest application is intravascular ultrasound imaging but it is useful also in urology and intra-abdominal conditions.

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