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An abstract for the article "Abnormal pelvic vascularisation" by W.A. Clavelli and others, is presented.

The role of prenatal diagnosis in placenta accreta spectrum (PAS) disorders is to reduce the risk of maternal complications by allowing a preplanned management. Although ultrasound (US) is the first diagnostic tool of choice, Magnetic Resonance Images (MRI) contributes in assessing the location, extension and depth of the invasion. In our experience, abnormal intraplacental vascularisation together with thick hypointense bands on T2WI constitute the most frequent MRI findings to determine the presence, location and extension of PAS disorders. [Extracted from the article]

Abnormal brain neurodevelopment may be suspected in the second or third trimester due to the presence of intracranial or extracranial findings. Neurosonography demonstrated asymmetry of the frontal horns of lateral ventricles, an apparently normal corpus callosum and a small and deviated CSP. On sonographic evaluation of the fetal brain in the first trimester ultrasound, the visualisation of a frontal fluid collection in the axial plane could be an early sonographic marker of abnormal brain development. [Extracted from the article]