Diagnostic imaging in obstetrics (Lecture)

Abstract

Summarizing the variety of diagnostic imaging methods in obstetrics, there are next main offensive positions. Urgent indications for CT during pregnancy. Appendicitis – during pregnancy of the first and second trimesters. Ultrasound and/or MRI should be performed before CT. Pulmonary artery thromboembolism – in this case low-dose CT angiography of the lungs (with X-ray protection of the fetus). If suspected – CT should be the primary method of examination. In renal colic, ultrasound is the method of choice. In case of injury, ultrasound may be sufficient for the initial assessment in pregnant women, but CT should be performed if more severe or polytrauma is suspected. All patients who undergo CT of the abdomen or pelvis during pregnancy must sign a written personal consent form. In a study that presents a minimal risk (including CT pelviometry, CT of other areas of the body and MRI), it is advisable to explain to the pregnant woman about the minimal risk. Intravenous gadolinium is contraindicated in pregnancy and should be used only when absolutely necessary. Pelviometry can be performed either by low-dose CT or by MRI. Key words: pregnant women, fetuses, ultrasound (ultrasound diagnostics), MRI (magnetic resonance imaging), CT (X-ray computed tomography).