Placental Variants That Matter: Succenturiate Lobe, Circumvallate, and Placental Lakes
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Course Overview
Educational Need / Practice Gap: Placental variants are frequently under-documented or confused with pathology, leading to missed risk (e.g., vasa previa, retained placenta) or unnecessary alarm.
Objectives
Identify common placental variants and their clinical implications.
2. Differentiate placental lakes from PAS-related lacunae using sonographic characteristics.
3. Document variants with appropriate descriptors to guide follow-up.
Content Outline (Subtitles):
● Placental morphology review
● Succenturiate lobe: recognition and risks
● Circumvallate/circummarginate placenta
● Lakes vs lacunae: pattern recognition
● Reporting examples and follow-up considerations
Target Audience
OB ultrasound providers and interpreting clinicians
Faculty & Disclosure
Faculty
Aly Sida (ADMIN)
Disclosure
In compliance with the Essentials and Standards of the ACCME, the author of this CME tutorial is required to disclose any significant financial or other relationships they may have with commercial interests. IAME has assessed conflict of interest with its faculty, authors, editors, and any individuals who were in a position to control the content of this CME activity. Any identified relevant conflicts of interest have been mitigated. IAME's planners, content reviewers, and editorial staff disclose no relationships with ineligible entities.
Credits
* AMA PRA Category 1™ credits are used by physicians and other groups like PAs and certain nurses. Category 1 credits are accepted by the ARDMS, CCI, ACCME, and Sonography Canada.
Course Details
Accreditation
The Institute for Advanced Medical Education is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.
The Institute for Advanced Medical Education designates this enduring material for a maximum of 1 AMA PRA Category 1 Credit™.
Physicians should only claim credit commensurate with the extent of their participation in the activity. Sonographers: These credits are accepted by the American Registry for Diagnostic Medical Sonography (ARDMS), Sonography Canada, Cardiovascular Credentialing International (CCI), and most other organizations.
