Background
With the introduction of multi-detector computed tomography (MDCT), three-dimensional (3D) reconstructions have become an essential tool for both radiologists and referring clinicians. Cinematic rendering (CR) manipulates a global illumination model which uses data from billions of light rays passing through a volume to create one pixel (as opposed to one light ray per pixel as in volume rendering), resulting in a 3D reconstruction with photorealistic shadowing and depth perception. The intricate anatomic detail and spatial resolution of CR allows for better assessment of the full extent of complex fractures, detection of small fracture fragments or subtle overlying soft tissue injury, and accurate classification. This allows for more accurate and efficient surgical planning, particularly when considering complex traumatic injuries and anatomic variants. These properties also promote CR as an excellent instructional tool for clinicians at all levels of training. Furthermore, these images allow patients to better understand their own anatomy, disease process, and potential surgical approach in the event of intervention. In this educational exhibit, we aim to explain the differences between VR and CR techniques and describe potential applications of CR in the clinical setting. We will illustrate common fracture types and musculoskeletal trauma with the use of CR.
Educational Goals / Teaching Points
Describe CR postprocessing and reformation technique. Describe CR 3D images how to create for trainees and clinicians, Illustrate CR examples in the setting of musculoskeletal trauma in correlation with classification systems.
Key Anatomic/Physiologic Issues and Imaging Findings/Techniques
This educational exhibit will feature examples of fracture patterns commonly encountered in the emergency or trauma setting. In each example we will aim to delineate the fracture components and describe the anatomy with CR. Examples will include Schatzker type tibial plateau fractures, proximal humerus fractures, calcaneal fracture, and maxillofacial traumatic fractures.
Conclusion
CR is an evolving technique producing highly detailed and photorealistic reconstructions using 3D MDCT data. The advantages and disadvantages of CR are still being researched, but n our practice, CR has allowed us to examine complex musculoskeletal trauma in extremely granular detail, aiding in surgical planning, detection of subtle injuries, and anatomy education.
