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2006-01-04-15 Unilateral femoral hypoplasia © Cuillier www.thefetus.net/

Unilateral femoral hypoplasia

Cuillier F, MD, Ramful D, MD, Salmeron F, MD

Department of Gynecology, Hôpital Félix Guyon, Saint-Denis, Reunion Island, France

This is a 39-year-old woman (G4P3). The patient did not have diabetes mellitus. There was no history of prenatal teratogen exposition, nor drug ingestion or infection. During the first scan, the embryo was normal (with normal nuchal translucency). The triple test was normal too. The amniocentesis was normal (46 XY).

At 22 weeks, a sonographer  diagnosed a short left femur. All the other bones were normal. The patient was referred to our unit. The same anomaly was confirmed. The profile and the head measure were normal. There were no bone fractures. All serology screening were negative. The fetal growth was normal. During the pregnancy, the femur anomaly was confirmed and the left femur seemed a little curved with no fracture.

A cesarean section was performed at 35 weeks for preeclampsia. The weight of the baby was 2460 g (45 cm). The baby was not dysmorphic. The diagnosis of the bone anomaly was confirmed with presence of left hip dysplasia. The baby is now with one year old and healthy.


2D views at 25 weeks. Note the length difference between the two femur. The left femur seems curved.



3D view at 25 weeks showing the left femur



2D scan at 27weeks


2D scan at 30 weeks. We can see the difference in length between the two femurs.



3D  scan showing the left femur at 30 weeks.



Left image: 3D view at 30 weeks showing the face. Right image: 3D scan at 35 weeks showing the left curved femur


2D scan at 35 weeks showing the left and right femur

Postnatal view of the inferior limbs. Note the difference between the two limbs.