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2001-02-16-10 Case of the week #44 © Thomas www.thefetus.net/

Case #44

February 16-March 2,  2001

Submitted by Dominique Thomas, MD, Isabelle Mahillon, MD, France Hayez-Delatte, MD, Françoise Rypens, MD, Joelle Goodseels, MD

Dept, of Obstetrics and Gynecology, Hôpital Iris Sud, sîte Ixelles, 63 rue J. Paquot 1050 Bruxelles Belgium, tel: 32 2 641 85 35 Fax: 32 2 641 85 36

This 26-year-old G2P1 patient was referred for a problem of infertility. An endometriosis stage IV was diagnosed by laparoscopy. She was treated by intra-muscular injection of superactive analog of LHRH. She became pregnant after the third injection.
When she underwent routine ultrasound at 12th weeks, an abnormal sonolucency of the neck (6 mm) was noticed without any other structural abnormalities. A transcervical chorionic villus sampling revealed a normal 46 XX chromosome pattern.

Follow-up ultrasound examinations were performed at 21, 31, 32, 33 and 34 weeks. and the following features were found:

Shortening of all long bones (humerus, radius, ulna, femur, tibia, fibula). The measurements were under 5th percentile at 21 weeks and after, but the growth was parallel with normal curves (fig 1: femur: 51mm = 32 weeks)

.

  • Fetal profile (32 weeks)

  • One kidney

  • and the other one

  • the bladder remained as on the image

  • an enlarged umbilical portion of portal vein

  • There was an abnormal angulation between a wide thumb and radius.

  • growth retardation was present after 31 weeks (abdominal and head perimeter below the 10th percentile)

  • moderate hydramnios

The patient was followed to term. An amniocentesis at 32 weeks confirmed the earlier diagnosis of normal karyotype.
Spontaneous delivery occurred at 35 weeks. The birth weight was 2040 grams, size:41 cm, HC 28.5 cm.
Post-natal evaluation confirmed facial dysmorphology and abnormality of hands with broad thumbs and radial angulation

 

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