Christopher Robinson: 3D Ultrasound for Delineating Focal Placenta Accreta Spectrum Lesions
Christopher Robinson, Associate Professor Maternal Fetal Medicine at University of South Carolina, shared a post on LinkedIn:
“3-dimensional ultrasound imaging to delineate focal lesions of placenta accreta spectrum – 3D ultrasound tramline sign:
(A) 2D grayscale transvaginal ultrasound (TVS) with straight arrows showing the echogenic line denoting the uterine-bladder interface and (B) in the same patient, 3D TVS rendering (Samsung Crystal–Realistic Vue software), showing 2 continuous echogenic lines (the tramline sign) of the intact uterine serosa and bladder wall (straight arrows).
This image also demonstrates the retroplacental space (arrow heads) along the vesico-uterine interface, extending to the cervix in a case of placenta previa without PAS. (C) 2D grayscale transabdominal ultrasound (TAS) showing the normal vesico-uterine interface (straight arrows), the focally disrupted interface between the uterine serosa and bladder (curved arrows) (D) in the same patient, 3D TAS rendering (GE Healthcare Voluson HD Live mode) showing intact tramline (straight arrows) and a disrupted lower myometrial-placental tramline sign (curved arrows) with absence of the retroplacental space characteristic of focal placenta increta and small area of retroplacental space (arrow heads) present down to the cervix.”
Title: 3-dimensional ultrasound imaging to delineate focal lesions of placenta accreta spectrum
Authors: Savitree Pranpanus, Christoph C. Lees
Read the full article.
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