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Case of the Week #513

Frantisek Grochal

Affiliation: Femicare, Center of prenatal ultrasonographic diagnostics, Kollarova 17/A, 036 01 Martin, Slovak Republic

Posting Dates: January 30, 2020 - February 13, 2020

Case report:  A 39-year-old G31P2 woman was seen in our office at 20 and 30 weeks of her pregnancy. She had undergone amniocentesis with a diagnosis of trisomy 18, however parents opted for continuation of the pregnancy. The baby had lumbosacral meningomyelocele with consequent Arnold-Chiari malformation type II, overlapping fingers, intrauterine growth restriction, and following cardiac anomaly:

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Answer

We present a case of common arterial trunk (truncus arteriosus communis) - Collett-Edwards type IV.

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Image 1: color Doppler four-chamber view of the heart with striking left axis deviation, and ventricular septal defect. Left and right pulmonary arteries are arising from the descending aorta (descending part of the common arterial truncus) - truncus arteriosus communis Collett-Edwards type IV. LV - left ventricle; RV - right ventricle, RA - right atrium; LA - left atrium; VSD - ventricular septal defect; LPA - left pulmonary artery; RPA - right pulmonary artery; CAT - common arterial trunk.
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Image 2: schematic drawing demonstrating truncus arteriosus communis, Collett-Edwards type IV. LV - left ventricle; RV - right ventricle, RA - right atrium; LA - left atrium; VSD - ventricular septal defect; LPA - left pulmonary artery; RPA - right pulmonary artery; CAT - common arterial trunk.
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Image 4: 3D imaging demonstrating common arterial trunk (Collett-Edwards type IV). LV - left ventricle; RV - right ventricle; LPA - left pulmonary artery; RPA - right pulmonary artery; CAT - common arterial trunk.
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Image 4: sagittal color Doppler imaging of the common arterial trunk (Collett-Edwards type IV). LPA - left pulmonary artery; RPA - right pulmonary artery; CAT - common arterial trunk.

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