Ron Balassanian, MD

Professor
Pathology
+1 415 514-6642

Dr. Balassanian is an associate professor in the Department of Pathology with a clinical focus in the fine needle aspiration (FNA) biopsy clinic, particularly with incorporating ultrasound guidance for FNA biopsy at UCSF. He is working to develop clinical applications for molecular diagnostics in the FNA setting and presents at the weekly Breast Tumor Board conference at UCSF. He currently collaborates with the Peru National Cancer Institute, Regional Cancer Institute, and Ministry of Health on community-based programs for improving breast health and a project to explore the biological implications of breast cancer protective variants in Latin American women with high indigenous American heritage.

Publications: 

Cutaneous T cell lymphoma PDX drug screening platform identifies cooperation between inhibitions of PI3Ka/d and HDAC.

The Journal of investigative dermatology

Wu CH, Yang CY, Wang L, Gao HX, Rakhshandehroo T, Afghani S, Pincus L, Balassanian R, Rubenstein J, Gill R, Bandyopadhyay S, McCormick F, Moasser M, Ai WZ

Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer Is Associated with Indigenous American Ancestry in Latin American Women.

Cancer research

Marker KM, Zavala VA, Vidaurre T, Lott PC, Vásquez JN, Casavilca-Zambrano S, Calderón M, Abugattas JE, Gómez HL, Fuentes HA, Picoaga RL, Cotrina JM, Neciosup SP, Castañeda CA, Morante Z, Valencia F, Torres J, Echeverry M, Bohórquez ME, Polanco-Echeverry G, Estrada-Florez AP, Serrano-Gómez SJ, Carmona-Valencia JA, Alvarado-Cabrero I, Sanabria-Salas MC, Velez A, Donado J, Song S, Cherry D, Tamayo LI, Huntsman S, Hu D, Ruiz-Cordero R, Balassanian R, Ziv E, Zabaleta J, Carvajal-Carmona L, Fejerman L

Stop using expired plasma for cell blocks.

Cancer cytopathology

Balassanian R, Ng DL, van Zante A

Granulomatous inflammation diagnosed by fine-needle aspiration biopsy.

Journal of the American Society of Cytopathology

Ng DL, Balassanian R

Results from the 2019 American Society of Cytopathology survey on rapid on-site evaluation-Part 1: objective practice patterns.

Journal of the American Society of Cytopathology

VanderLaan PA, Chen Y, Alex D, Balassanian R, Cuda J, Hoda RS, Illei PB, McGrath CM, Randolph ML, Reynolds JP, Spiczka AJ, VandeHaar MA, van Zante A, Sauter JL

Efficacy of an Intensive, Ultrasound-Guided Fine-Needle Aspiration Biopsy Training Workshop in Tanzania.

Journal of Global Oncology

Ng DL, Vuhahula E, Zhang L, Waterhouse EG, White KL, Mushi BP, Nyeriga MS, Philipo GS, Mmbaga EJ, Sheth S, Van Loon K, Lee AY, Balassanian R

Intratumor Heterogeneity of the Estrogen Receptor and the Long-term Risk of Fatal Breast Cancer.

Journal of the National Cancer Institute

Lindström LS, Yau C, Czene K, Thompson CK, Hoadley KA, Van't Veer LJ, Balassanian R, Bishop JW, Carpenter PM, Chen YY, Datnow B, Hasteh F, Krings G, Lin F, Zhang Y, Nordenskjöld B, Stål O, Benz CC, Fornander T, Borowsky AD, Esserman LJ

Breast Cancer, Version 4.2017, NCCN Clinical Practice Guidelines in Oncology.

Journal of the National Comprehensive Cancer Network : JNCCN

Gradishar WJ, Anderson BO, Balassanian R, Blair SL, Burstein HJ, Cyr A, Elias AD, Farrar WB, Forero A, Giordano SH, Goetz MP, Goldstein LJ, Isakoff SJ, Lyons J, Marcom PK, Mayer IA, McCormick B, Moran MS, O'Regan RM, Patel SA, Pierce LJ, Reed EC, Salerno KE, Schwartzberg LS, Sitapati A, Smith KL, Smith ML, Soliman H, Somlo G, Telli ML, Ward JH, Kumar R, Shead DA

Tuberculosis mastitis presenting as bilateral breast masses.

Clinical imaging

Qiao Y, Hayward JH, Balassanian R, Ray KM, Joe BN, Lee AY

Radiologic-Pathologic Correlation for Benign Results After MRI-Guided Breast Biopsy.

AJR. American journal of roentgenology

Maglione KD, Lee AY, Ray KM, Joe BN, Balassanian R

NCCN Guidelines Insights: Breast Cancer, Version 1.2017.

Journal of the National Comprehensive Cancer Network : JNCCN

Gradishar WJ, Anderson BO, Balassanian R, Blair SL, Burstein HJ, Cyr A, Elias AD, Farrar WB, Forero A, Giordano SH, Goetz MP, Goldstein LJ, Isakoff SJ, Lyons J, Marcom PK, Mayer IA, McCormick B, Moran MS, O'Regan RM, Patel SA, Pierce LJ, Reed EC, Salerno KE, Schwartzberg LS, Sitapati A, Smith KL, Smith ML, Soliman H, Somlo G, Telli M, Ward JH, Shead DA, Kumar R

Fine-Needle Aspiration Biopsy of Palpable Breast Masses: Patterns of Clinical Use and Patient Experience.

Journal of the National Comprehensive Cancer Network : JNCCN

Ly A, Ono JC, Hughes KS, Pitman MB, Balassanian R

A superior method for cell block preparation for fine-needle aspiration biopsies.

Cancer cytopathology

Balassanian R, Wool GD, Ono JC, Olejnik-Nave J, Mah MM, Sweeney BJ, Liberman H, Ljung BM, Pitman MB

Invasive Breast Cancer Version 1.2016, NCCN Clinical Practice Guidelines in Oncology.

Journal of the National Comprehensive Cancer Network : JNCCN

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

NCCN Guidelines Insights Breast Cancer, Version 1.2016.

Journal of the National Comprehensive Cancer Network : JNCCN

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

"Score the Core" Web-based pathologist training tool improves the accuracy of breast cancer IHC4 scoring.

Human pathology

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

Oncogenic activation of the PI3-kinase p110ß isoform via the tumor-derived PIK3Cß(D1067V) kinase domain mutation.

Oncogene

Pazarentzos E, Giannikopoulos P, Hrustanovic G, St John J, Olivas VR, Gubens MA, Balassanian R, Weissman J, Polkinghorn W, Bivona TG

Breast Cancer Version 2.2015.

Journal of the National Comprehensive Cancer Network : JNCCN

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

Gemtuzumab therapy for isolated extramedullary AML relapse following allogeneic stem-cell transplant.

Nature clinical practice. Oncology

Owonikoko T, Agha M, Balassanian R, Smith R, Raptis A

Effectiveness of Toyota process redesign in reducing thyroid gland fine-needle aspiration error.

American journal of clinical pathology

Raab SS, Grzybicki DM, Sudilovsky D, Balassanian R, Janosky JE, Vrbin CM

Clinical Experience With Mammary Ductoscopy.

Annals of surgical oncology

Valdes EK, Boolbol SK, Cohen JM, Balassanian R, Feldman SM

Errors in thyroid gland fine-needle aspiration.

American journal of clinical pathology

Raab SS, Vrbin CM, Grzybicki DM, Sudilovsky D, Balassanian R, Zarbo RJ, Meier FA

Improving the quality of cytology diagnosis: root cause analysis for errors in bronchial washing and brushing specimens.

American journal of clinical pathology

Nodit L, Balassanian R, Sudilovsky D, Raab SS

Diagnosis of recurrent breast cancer by ductoscopy.

The breast journal

Valdes EK, Feldman SM, Balassanian R, Cohen JM, Boolbol SK

Association of breast cancer with papillary lesions identified at percutaneous image-guided breast biopsy.

American journal of surgery

Gendler LS, Feldman SM, Balassanian R, Riker MA, Frencher SK, Whelan DB, Anne S, Gross JD, Cohen JM, Boolbol SK

Donor origin of neuroendocrine carcinoma in 2 transplant patients determined by molecular cytogenetics.

Human pathology

Baehner R, Magrane G, Balassanian R, Chang C, Millward C, Wakil AE, Osorio RW, Waldman FM