Focal exophytic mass

From: Collins SL, Ashcroft A, Braun T, Calda P, Langhoff-Roos J, Morel O, et al. Proposal for standardized ultrasound descriptors of abnormally invasive placenta (AIP). Ultrasound Obstet Gynecol. 2016;47(3):271-5.

Focal exophytic mass

This is an extremely rare sign but if it is present it indicates the very severe end of the PA spectrum.