2007-05-07-10 Monosomy X, hygroma colli © Cuillier www.thefetus.net/
Monosomy X, hygroma colli
Fabrice Cuillier, MD*; H. M"Lamali**.
* Department of Gynecology, Félix Guyon"Hospital, 97400 Saint-Denis, Ile de la Réunion, France;
** Department of Gynecology, Félix Guyon"Hospital, 97400 Saint-Denis, Ile de la Réunion, France.
Case report
This is a 28-year-old G2P1 referred to our antenatal unit at 12 weeks of pregnancy. Following findings were discovered:
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An abnormal nuchal translucency (7mm) and a septated cystic hygroma.
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Normal fetal length.
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Generalized subcutaneous edema (anasarca).
Chorionic villus sampling revealed 45X0 karyotype and the parents opted for termination of the pregnancy.
Images 1, 2: 12th week of pregnancy. 2D ultrasound images showing axial scans at various levels of the fetal head with massive nuchal edema (hygroma colli).

Images 3, 4: 12th week of pregnancy. 2D ultrasound images showing axial scans at various levels of the fetal head with massive nuchal edema (hygroma colli).

Images 5, 6: 12th week of pregnancy. 2D ultrasound images showing sagittal scans through the nuchal region with massive nuchal edema (hygroma colli).

Image 7: 12th week of pregnancy. 3D ultrasound image showing sagittal scans through the nuchal region with massive nuchal edema (hygroma colli).

Image 8: 12th week of pregnancy. Four-chamber-view of the heart.
