• Evaluation of lower back pain. Presented at the RONI Back Pain Symposium, LLU, May 18, 2014, Loma Linda, CA. (05/2014)


  • Cheng WK, Knopper RG, Krojer J, Guillen PT, Wycliffe ND, Danisa OA. Independent assessment of a new pedicle drilling probe and its ability to detect pedicle breach: a cadaver study. 29th Annual Meeting of AANS/CNS, Section on Disorders of the Spine and Peripheral Nerves, March 6-9, 2013, Phoenix, Arizona (digital poster). (03/2013)
  • Patel SS, Cheng WK, Danisa OA. Early complications after instrumentation of the lumbar spine using cortical bone trajectory technique. 31st Annual Meeting CNS/AANS, Section on Disorders of the Spine and Peripheral Nerves. Spine Summit 2015, March 4-7, 2015, Phoenix, AZ. (digital poster). (03/2015)
  • Scudday T, Danisa OA, Zuckerman LM. Pelvic chondroblastic osteosarcoma presenting with neurological symptoms. Accepted biopsy techniques in osteosarcoma. A report of 2 cases. 31st Annual Meeting CNS/AANS Section on Disorders of the Spine and Peripheral Nerves. Spine Summit 2015. March 4-7, 2015, Phoenix, AZ (digital poster). (03/2015)


  • Akpolat YT, Patel SS, Inceoglu S, Danisa OA, Cheng WK. Pars/pedicle fracture as a complication during pedicle screw placement using cortical bone trajectory: case report and pilot cadaveric study. Presented at the 15th Annual Meeting of the International Society for the Advancement of Spine Surgery, April 15-17, 2015, San Diego, CA. (04/2015)
  • Patel SS, Aruni W, Inceoglu S, Botimer GD, Cheng WK, Danisa OA. A comparison of staphylococcus aureus biofilm formation on cobalt-chromium and titanium spinal implants. 2015 Global Spine Conference, May 20-23, 2015, Buenos Aires, Argentina. (05/2015)