ULTRASOUND OF SHORT RIB-POLYDACTYLY SYNDROME

Common to all three types:

• Short ribs and narrow thorax.
• Micromelic dwarfism.
• Hypoplastic lungs.
• Polydactyly.
• Ambiguous genitalia.

Type I	Type II	Type III
* Micromelia. * Polydactyly. * Pointed metaphysis of    long bones. * Very short ribs. * Congenital heart disease. * Anorectal anomalies. * Abnormal vertebral bodies.	* Micromelia. * Polydactyly. * Very short ribs. * Median cleft lip/palate. * Hypoplastic epiglottis. * Renal cysts.	* Micromelia. * Polydactyly. * Wide metaphysis    + marginal spurs * Hypoplastic    vertebral bodies * Renal disease.

Micromelia + short ribs	Polydactyly

REFERENCES

1. Benacerraf BR. Prenatal sonographicdiagnosis of short-rib polydactyly syndrome type II, Majewski type. J Ultrasound Med 1993;12:552-555.
2. Meizner I, Barnhard Y. Short-rib polydactyly syndrome (SRPS) type III diagnosed during routine prenatal ultrasonographic screening. A case report. Prenat Diagn 1995;15:665-668.