SASUOG

South African Society for Ultrasound
in Obstetrics and Gynaecology

TEACHINGS / LECTURES / CASES


ISUOG Guidelines for the 18 – 23 week anomaly scan

From Diagnosis of fetal abnormalities
The 18 – 23 week scan
Gianluigi Pilu, Kypros H Nicolaides, Renato Ximenes, Phillipe Jeanty

Link to Anomaly Scan Pictograms, with compliments of Dr I Erasmus



Skull


Examination of integrity and normal shape, and measurement of biparietal diameter and head circumference



Brain

Examination of cerebral ventricles, choroid plexuses, mid-brain, posterior fossa (cerebellum and cisterna

Magna), and measurement of the anterior and posterior horns of the lateral ventricles




Face

Examination of the profile, orbits and upper lip




Neck

Measurement of nuchal fold thickness




Spine

Examination both longitudinally and transversely




Heart

Examination of rate and rhythm, four-chamber view, and outflow tracts




Thorax

Examination of the shape of the thorax, the lungs and diaphragm




Abdomen

Examination of the stomach, liver, kidneys, bladder, abdominal wall and umbilicus, and measurement of abdominal circumference




Limbs

Examination of the femur, tibia and fibula, humerus, radi

us and ulna, hands and feet (including shape and echogenicity of long bones and movement of joints), and measurement of femur length




Link to Anomaly Scan Pictograms, with compliments of Dr I Erasmus