Trisomy 18 (Edwards Syndrome) and trisomy 13 (Patau Syndrome) are the second and third most common chromosomal trisomy disorders, respectively, and their characteristic syndromic features have been well described; however, to our knowledge, no prenatal studies have reported the fetal MR findings of trisomy 13 and trisomy 18. For this reason, typical fetal MR features of trisomy 13 and 18 remain incompletely characterized and its role and limitations in its prenatal evaluation and diagnosis are not established in the literature. In this cased-based, pictorial educational exhibit, we review the syndromic features of trisomy 13 and 18, and present the prenatal MR findings of six cases of trisomy 18 and three cases of trisomy 13, all confirmed by pre and/or postnatal genetic testing. We will discuss the strengths and weaknesses of prenatal MR imaging in the evaluation of trisomy 13 and 18 by comparing to prenatal ultrasound and utilizing postnatal imaging as a reference standard. After reviewing this presentation, the learner will: (1) Be able to recognize not only the individual fetal MR appearance of abnormalities associated with trisomy 13 and 18, but recognize them as part of a trisomy syndrome. (2) Understand the strengths, limitations, and pitfalls of prenatal MR in evaluation and diagnosis of trisomy 13 and 18. (4) Become familiar with the key points and measurements that should be used in the assessment and diagnosis of the fetus with trisomy 13 and 18 and be included in the radiology report to best assist the multidisciplinary care teams in counseling the pregnant patient and providing care of the fetus and neonate with trisomy 13 and 18. Read More

Meeting name: SPR 2020 Annual Meeting & Postgraduate Course , 2020

Authors: Mcclure Meghan, Beavers Angela

Keywords: Trisomy, Patau syndrome, Edwards Syndrome

Peritonsillar abscess (PTA) is a common and potentially life-threatening infection in the pediatric population. Contrast enhanced computed tomography (CE-CT) has traditionally been used to assist in diagnosis of PTA. However, factors such as radiation exposure, contrast administration and cost have led to increasing interest in the use of ultrasonography for PTA evaluation. The objective of this study was to evaluate the agreement between ultrasound and CE-CT in diagnosing PTA. Read More

Meeting name: SPR 2024 Annual Meeting & Postgraduate Course , 2024

Authors: Mcgirr Samantha, Beavers Angela, Allbery Sandra, Lyden Elizabeth, Oarhe Christian, Daymut Laura, Majerus Chelsea

Keywords: peritonsillar abscess, tonsillitis