Research & Publications


EDUCATION & TRAINING

  •  Plastic Surgery at University of California, Irvine, Ca
  • General Surgery at Loma Linda University Medical Center, Loma Linda, Ca
  • Medical School: University of California, Davis, Ca
  • Bachalor of Science: University of California, Davis, Ca


PEER REVIEWED PUBLICATIONS

  • Hurvitz, KA., Olaya, WA., Wells, JH.  Evidence-based medicine: Abdominoplasty. Plast Reconstr Surg. 2014 May;133(5):1214-21
  • Olaya, W., Wong, J., Wong, J., Morgan, JW., Truong, C., Kazanjian, K., Lum, S.  When is a lymph node dissection a lymph node dissection? The number of lymph nodes resected in sentinel and axillary lymph node dissections.  Ann Surg Oncol. 2013 Feb;20(2):627-32. Epub 2012 Sep 7
  • Olaya, W., Morgan, JW., Lum, S.  Unnecessary axillary surgery for node-negative breast cancer patients undergoing total mastectomy.  Arch Surg. 2011 Sep; 146(9):1029-33
  • Olaya, W., Wong, J., Morgan, JW., Truong, C., Roy-Chowdhury, S., Kazanjian, K., Lum, S.  Factors associated with variance in compliance with a sentinel lymph node dissection quality measure in early-stage breast cancer.  Ann Surg Oncol. 2010 Oct;17 Suppl 3:297-302. Epub 2010 Sep 19.
  • Olaya, W., Bae, W., Wong, J., Wong, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S.  Are percutaneous biopsy rates a reasonable quality measure in breast cancer management?  Ann Surg Oncol. 2010 Oct; 17 Suppl 3:268-72. Epub 2010 Sep 19.
  • Olaya, W., Bae, W., Wong, J., Wong, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S.  Accuracy and upgrae rates of percutaneous breast biopsy: the surgeon’s role.  The Am Surg 2010 Oct; 76(10):1084-7
  • Olaya, W., Esquivel, P., Wong, J., Morgan, J., Freeberg, A., Roy-Chowdhury, S., Lum, S.  Disparities in BRCA testing: when insurance coverage is not a barrier.  Am  Surg 2009 Oct; 198(4):562-5
  • Olaya, W., Wong, J., Morgan, J., Roy-Chowdhury, S., Lum, S. Disparities in the surgical management of women with stage I breast cancer. Am Surg 2009 Oct;75(10):869-72


ORAL PRESENTATIONS

  • Mattison, G., Olaya, W., Michael, Y., Jenkins, B., Yakuby, N., Toranto, J., Muhonen, M., Olaya, J. Improved Outcomes Treating Deformational Plagiocephaly with Helmet Therapy.  Oral Presentation.  California Society of Plastic Surgery; Monterey , Ca 2014
  • Olaya, W., Tracy, L., Clark, E., Scholz, T., G., Laurence, V., Wirth, G., Paydar, K., Evans, G.  Anterior Skull Base Reconstruction Using Radial Forearm Free Flap.  Oral Presentation.  California Society of Plastic Surgery; San Francisco, Ca 2013
  • Olaya, W., Scholz, T., G., Evans, G.  Anterior Skull Base Reconstruction Using Radial Forearm Free Flap.  Oral Presentation.  24stAnnual Meeting of the Southern California Chapter of the American College of Surgeons; Santa Barbara, Ca 2013.
  • Olaya, W., Wong, J., Wong, J., Morgan, JW., Lum, S.  When is a lymph node dissection a lymph node dissection?  The number of lymph nodes dissected in sentinel and axillary dissections.  Oral Presentation.  American Society of Breast Surgery; Scottsdale, Az 2012
  • Olaya, W., Morgan, JW., Lum, S.  Unnecessary axillary surgery for node-negative breast cancer patients undergoing total mastectomy.  Oral Presentation.  Pacific Coast Surgical Association; Scottsdale, Az 2011
  • Olaya, W., Wong, J., Morgan, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Factors associated with variance in compliance with a sentinel lymph node dissection quality measure in early-stage breast cancer. Oral Presentation. The American Society of Breast Surgeons 11 th Annual Meeting; Las Vegas, Nv 2010
  • Olaya, W., Wong, J., Morgan, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Breast cancer quality measures in California: progress and pitfalls. Oral Presentation. Pacific Coast Surgical Association; Maui, Hi 2010
  • Olaya, W., Bae, W., Wong, J., Wong, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Accuracy and upgrade rates of percutaneous breast biopsy: the surgeon’s role. Oral Presentation. 21st Annual Meeting of the Southern California Chapter of the American College of Surgeons; Santa Barbara, Ca 2010.
  • Olaya, W., Wong, J., Morgan, J., Roy-Chowdhury, S., Lum, S. Disparities in the surgical management of women with stage I breast cancer. Oral Presentation. 20th Annual Meeting of the Southern California Chapter of the American College of Surgeons; Santa Barbara, Ca 2009.


POSTER PRESENTATIONS

  • Olaya, W., Morgan, JW., Lum, S.  Utilization of axillary staging modalities in early stage breast cancer.  Poster Presentation.  American Society of Clinical Oncology Breast Cancer Symposium.  National Harbor, MD 2010 
  • Olaya, W., Wong, J., Bae, W., Wong, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Are percutaneous biopsy rates a reasonable quality measure in breast cancer  management? Poster Presentation. The American Society of Breast Surgeons 11 th Annual Meeting. Las Vegas, NV 2010
  • Wong, J., Olaya, W., Wong, J., Bae, W., Roy-Chowdhury, S., Kazanjian, K., Lum, S. The impact of needle core size and number on upgrade rates of DCIS diagnosed by core biopsy. Poster Presentation. The American Society of Breast Surgeons 11 th Annual Meeting. Las Vegas, NV 2010
  • Olaya, W., Esquivel, P., Wong, J., Morgan, J., Freeberg, A., Roy-Chowdhury, S., Lum, S.  Disparities in BRCA Testing: When Insurance Coverage Is Not a Barrier.  Poster Presentation.  The American Society of Breast Surgeons 10 th Annual Meeting. San Diego, CA 2009


PUBLISHED ABSTRACTS

  • Hurvitz, KA., Olaya, WA., Wells, JH.  Evidence-based medicine: Abdominoplasty. Plast Reconstr Surg. 2014 May;133(5):1214-21 
  • Olaya, W., Tracy, L., Clark, E., Scholz, T., G., Laurence, V., Wirth, G., Paydar, K., Evans, G.  Anterior Skull Base Reconstruction Using Radial Forearm Free Flap.  Proc Calif Soc Plastic Surg. 2013
  • Olaya, W., Scholz, T., G., Evans, G.  Anterior Skull Base Reconstruction Using Radial Forearm Free Flap.  Proc S Calif Chap ACS. 2013
  • Olaya, W., Wong, J., Wong, J., Morgan, JW., Lum, S.  When is a lymph node dissection a lymph node dissection?  The number of lymph nodes dissected in sentinel and axillary dissections.  Proc Am Soc Breast Surg. 2012:5.
  • Olaya, W., Morgan, JW., Lum, S.  Unnecessary axillary surgery for node-negative breast cancer patients undergoing total mastectomy.  Proc Pacific Coast Surg Assoc. 2011;82:58.
  • Olaya, W., Bae, W., Wong, J., Wong, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Accuracy and upgrade rates of percutaneous breast biopsy: the surgeon’s role.  Proc S Calif Chap ACS. 2010;21:26.
  • Olaya, W., Wong, J., Bae, W., Wong, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Are percutaneous biopsy rates a reasonable quality measure in breast cancer  management?  Proc Am Soc Breast Surg. 2010;17.
  • Olaya, W., Wong, J., Morgan, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Breast cancer quality measures in California: progress and pitfalls.  Proc Pacific Coast Surg Assoc. 2010;81:36.
  • Olaya ,W., Wong, J., Morgan, J., Roy-Chowdhury, S., Kazanjian, K., Lum, S. Factors associated with variance in compliance with a sentinel lymph node dissection quality measure in early-stage breast cancer. Proc Amer Society of Breast Surg 2010;17:11.
  • Wong, J., Olaya, W., Wong, J., Bae, W., Roy-Chowdhury, S., Kazanjian, K., Lum, S. The impact of needle core size and number on upgrade rates of DCIS diagnosed by core biopsy.  Proc Amer Society of Breast Surg. 2010;17:
  • Olaya, W., Morgan, JW., Lum, S.  Utilization of axillary staging modalities in early stage breast cancer.  Proc Am S Clin Oncol Br Cancer Symposium. 2010;11
  • Olaya, W., Esquivel, P., Wong, J., Morgan, J., Freeberg, A., Roy-Chowdhury, S., Lum, S.  Disparities in BRCA Testing: When Insurance Coverage Is Not a Barrier.  Proc Am S Breast Surg. 2009;16:.
  • Olaya, W., Wong, J., Morgan, J., Roy-Chowdhury, S., Lum, S. Disparities in the surgical management of women with stage I breast cancer.  Proc S Calif Chap ACS. 2009;20:11.

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