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Ronald Balassanian, MD

Research and Clinical Interests

My primary clinical focus has been working in the FNA biopsy clinic, particularly with incorporating ultrasound guidance for FNA biopsy at UCSF. I also sign-out general cytopathology and general breast pathology cases. I present at the weekly Breast Tumor Board conference. I am working to develop clinical applications for molecular diagnostics in the FNA setting.

Selected Publications

  • Gradishar WJ, Anderson BO, Balassanian R, Blair SL, Burstein HJ, Cyr A, Elias AD, Farrar WB, Forero A, Giordano SH, Goetz M, Goldstein LJ, Hudis CA, Isakoff SJ, Marcom PK, Mayer IA, McCormick B, Moran M, Patel SA, Pierce LJ, Reed EC, Salerno KE, Schwartzberg LS, Smith KL, Smith ML, Soliman H, Somlo G, Telli M, Ward JH, Shead DA, Kumar R. Breast cancer version 2.2015. J Natl Compr Canc Netw. 2015 Apr; 13(4):448-75. PMID: 25870381
  • Gradishar WJ, Anderson BO, Balassanian R, Blair SL, Burstein HJ, Cyr A, Elias AD, Farrar WB, Forero A, Giordano SH, Goetz M, Goldstein LJ, Hudis CA, Isakoff SJ, Marcom PK, Mayer IA, McCormick B, Moran M, Patel SA, Pierce LJ, Reed EC, Salerno KE, Schwartzberg LS, Smith KL, Smith ML, Soliman H, Somlo G, Telli M, Ward JH, Shead DA, Kumar R. Breast Cancer, Version 1.2016. J Natl Compr Canc Netw. 2015 Dec; 13(12):1475-85. PMID: 26656517
  • Engelberg JA, Retallack H, Balassanian R, Dowsett M, Zabaglo L, Ram AA, Apple SK, Bishop JW, Borowsky AD, Carpenter PM, Chen YY, Datnow B, Elson S, Hasteh F, Lin F, Moatamed NA, Zhang Y, Cardiff RD. "Score the Core" Web-based pathologist training tool improves the accuracy of breast cancer IHC4 scoring. Hum Pathol. 2015 Nov;46(11):1694-704. doi: 10.1016/j.humpath.2015.07.008. Epub 2015 Jul 29. PMID: 26410019
  • Ly A, Ono JC, Hughes KS, Pitman MB, Balassanian R, Fine Needle Aspiration Biopsy of Palpable Breast Masses: Patterns of Clinical Utilization and Patient Experience. JNCCN 2016; In Press
  • Gradishar WJ, Anderson BO, Balassanian R, Blair SL, Burstein HJ, Cyr A, Elias AD, Farrar WB, Forero A, Giordano SH, Goetz M, Goldstein LJ, Hudis CA, Isakoff SJ, Marcom PK, Mayer IA, McCormick B, Moran M, Patel SA, Pierce LJ, Reed EC, Salerno KE, Schwartzberg LS, Smith KL, Smith ML, Soliman H, Somlo G, Telli M, Ward JH, Shead DA, Kumar R. Invasive Breast Cancer Version 1.2016, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2016 Mar; 14(3):324-54. PMID: 26957618
  • Balassanian R, Wool GD, Ono JC, Olejnik-Nave J, Mah MM, Sweeney BJ, Ljung B-M, Pitman MB. A Superior Method for Cell Block Preparation for Fine Needle Aspiration Biopsies. Cancer Cyto 2016. Apr 124(15). doi:10.1002/cncy.21722

Other Publications

  • Balassanian R, Regina A, Molinda M, Liberman H. The collodion bag cell block technique: the method of Mah. https://youtu.be/nfR17d5-boI. Access date 5 Mar. 2015.

Additional Information

Ronald Balassanian, MD
  • Associate Professor
  • Pathology

Specialty Area

FNA biopsy, ultrasound guidance

Contact Information

Mailing/Shipping Address:

  • UCSF
  • Ronald Balassanian, MD
  • Pathology, Box 1785
  • 1600 Divisadero Street, Room R206
  • San Francisco, CA 94143
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