[Genetic amniocentesis in high-risk populations. Experience in 3081 cases].

Background: Prenatal diagnosis is an advantage for couples with certain lifestyles, ensures self-determination of an affected child or procreate a healthy. However, Mexico has been performed only in private hospitals and the National Medical Center November 20 ISSSTE and the National Institute of Perinatology.

Objective: To evaluate the frequency of chromosomal abnormalities in 3081 amniocentesis performed in patients at high risk of having an affected child.

An updated clinical and epidemiological profile of the adenomatoid odontogenic tumour: a collaborative retrospective study.

Background: Adenomatoid odontogenic tumour (AOT) is a benign odontogenic jaw lesion. The aim of this study was to update the biological profile of AOT.

Material And Methods: Cases published in the literature and cases in files of co-authors were included.