Showing 3 Abstracts.
Detection of Pediatric Labral Tears in Traumatic versus Developmental and Congenital Hip Disorders: A Comparison of Non-Arthrographic MRI versus MRI Arthrography
Jazic Aeva, Luna Allen, Wisecarver Samuel, Niec Jan, Van Schaik Katherine, Yablon Corrie, Leschied Jessica
Final Pr. ID: Poster #: SCI-053
Diagnostic performance of arthrographic and non-arthrographic MRI in detecting hip labral tears has been well studied in adults but remains relatively unexplored in pediatric patients. Particularly, it is unclear if one protocol is better suited for individuals with pre-existing hip pathology (defined in this study as hip dysplasia, femoroacetabular impingement, or Perthes) that predisposes to labral abnormalities, compared to acquired or traumatic hip pathology. Thus, we aimed to compare performance of non-arthrographic and arthrographic MRIs for identifying labral tears in children with and without underlying hip abnormalities. Read More
Authors: Jazic Aeva , Luna Allen , Wisecarver Samuel , Niec Jan , Van Schaik Katherine , Yablon Corrie , Leschied Jessica
Optimizing the Dose of a High-Relaxivity Gadolinium-based Contrast Agent in Pediatric Joint Magnetic Resonance Arthrography
Arellano Cameron, Colon Rodney, Hobollah Sarah, Bhandari Prajwal, Ghaghada Ketan, Annapragada Ananth, Badachhape Andrew
Final Pr. ID: Poster #: SCI-055
High T1 and T2 relaxivity macrocyclic gadolinium-based contrast agents (GBCAs), including gadopiclenol, have the potential to improve contrast-enhanced MRI while minimizing Gd dose. However, administered at low volumes in pediatric joint arthrography, the in vivo concentration of GBCA is variable due to pathological and anatomical volume differences. Concentration variations in conjunction with rapid T2 decay inherent to highly relaxive GBCAs can result in variable signal. To determine optimal dosages, we tested concentration-dependent signal changes in phantom studies with T1-weighted (T1w) and T2-weighted (T2w) sequences commonly used in clinical arthrogram studies. Read More
Authors: Arellano Cameron , Colon Rodney , Hobollah Sarah , Bhandari Prajwal , Ghaghada Ketan , Annapragada Ananth , Badachhape Andrew
Keywords: Arthrography, Contrast MRI, Glenohumeral
Final Pr. ID: Poster #: EDU-058
MR shoulder arthrography is a frequently ordered study in the pediatric population for shoulder symptoms relating to sports injuries. The traditional technique for injecting contrast into the shoulder joint has been with fluoroscopy. Following principles of ALARA, we set out to find ways to reduce or eliminate radiation from the procedure. Ultrasound has been utilized increasingly for diagnosing musculoskeletal pathology and is a well-established technique in the adult population to guide joint injection of medication. This educational exhibit aims to discuss how we implemented this technique at our hospital, outline tips and pitfalls we learned along the way, and discuss benefits and drawbacks with the procedure. Read More
Authors: Wong Lincoln , Powers Andria
Keywords: ultrasound, arthrography, shoulder, radiation, MR