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November 2019 — Cytogenetics

A 30-year-old woman suffers a miscarriage, and the product of conception is sent for cytogenetic testing to rule out cytogenetic abnormalities. A chromosomal microarray performed on placental tissue reveals large events on chromosome 8, a deletion of distal p-arm material, and duplication of the proximal p-arm through the distal q-arm. Banded chromosomal analysis was then performed on cultured cells from the original specimen. 1/18 cells showed an isodicentric chromosome 8 while remaining 17/18 cells were 46,XX.

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Photo of Matthew Schultz, Ph.D. Matthew Schultz, Ph.D.
Fellow, Laboratory Genetics and Genomics
Mayo Clinic
Photo of Erik Thorland, Ph.D.
Erik Thorland, Ph.D.
Consultant, Laboratory Genetics and Genomics
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine and Science
MCL Education

MCL Education

This post was developed by our Education and Technical Publications Team.