Ellie Song-Yi Kwak MD, Presenter: Nothing to Disclose

Jonathan Khedoori Kazam MD, Abstract Co-Author: Nothing to Disclose

Tony T. Wong MD, Abstract Co-Author: Nothing to Disclose

1. Understand anatomy of the sciatic nerve and greater sciatic foramen  2. Identify the anatomic causes in primary piriformis syndrome 3. Recognize various secondary causes of piriformis syndrome

1. Pre-test questions   2. Anatomy Review -Sciatic nerve anatomy -Greater sciatic foramen anatomy -Variations in the exit of the sciatic nerve out of the pelvis    3. Clinical features of piriformis syndrome   4. Primary causes of piriformis syndrome -Piriformis muscle hypertrophy -Intramuscular nerve roots -Accessory muscle slips -Anomalous origin of piriformis muscle   5. Secondary causes of piriformis syndrome -Myositis ossificans -Sacral schwannoma -Abscess from adjacent osteomyelitis -Soft tissue neoplasms -Gluteal hematoma -Post traumatic scarring   6. Answers and review of pre-test questions      

http://abstract.rsna.org/uploads/2014/14003896/14003896_27ns.pdf

Kwak, E, Kazam, J, Wong, T, Piriformis Syndrome: What Are We Imaging? A Review of Primary and Secondary Causes.  Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL. http://archive.rsna.org/2014/14003896.html