Abstract

HUAMAN G, Moisés  and  SOSA O, Alberto. Trisomy 18: a new screening ultrasonographic sign (finger pointer). Rev. peru. ginecol. obstet. [online]. 2017, vol.63, n.1, pp.89-92. ISSN 2304-5132.

A new ultrasound sign observed in a 22-week fetus with trisomy 18 or Edwards syndrome, consisting of permanent hyperextension of both index fingers (sign named "pointer finger"), and associated with arthrogryposis of wrists is reported. The relevance of this finding is that it could be recognized as another marker in the screening for this disease.

Keywords : Trisomy 18; Prenatal Screening of Trisomy 18.

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