Tracey A. Littrell, DC, DACBR, DIANM is an associate professor in the Diagnosis and Radiology Department of Palmer College, teaching Diagnostic Imaging, Chest and Abdomen Radiology, and Physical Diagnosis courses. She is the owner of Littrell Radiology, LLC, an imaging consultation service, the Radiology Editor for DC Tracts, a contributing author to “Clinical Imaging with Skeletal, Chest, and Abdomen Pattern Differentials”, 2nd and 3rd Editions, and an invited speaker for continuing education and diplomate programs, state organizations, and chiropractic programs worldwide. Dr. Littrell is the Executive Vice President of the ACRRT, a non-profit organization dedicated to recognizing chiropractic paraprofessionals in radiologic technology through certification and proficiency examinations and educational material.