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JCCC Member Directory

Leonard S. Marks, M.D.
Leonard S. Marks, M.D.



General Information:



Clinical Professor, Department of Urology
Member, JCCC Cancer Molecular Imaging Program Area

Hospital Affiliation(s):

Ronald Reagan UCLA Medical Center


Urology, UCLA School of Medicine, 1974 - 1978
Surgery, Harbor - UCLA Medical Center, 1972 - 1973
Surgery, Harbor - UCLA Medical Center, 1969 - 1970
Medical Degree:
M.D., University of Texas Medical Branch at Galveston, 1969


Board Certification(s):
Urology, American Board of Urology, 1980

Contact Information:

(310) 794-3070

Practice Information:

Clinical Interest(s):
Prostate disease

Scientific Interest(s):

Dr. Leonard Marks' scientific interests include prostate imaging and targeted biopsy, minimally-invasive therapy for prostate cancer and testosterone replacement therapy.

Selected Cancer-Related Publications:

Catalona WJ, Partin AW, Sanda MG, Wei JT, Klee GG, Bangma CH, Slawin KM, Marks LS, Loeb S, Broyles DL, Shin SS, Cruz AB, Chan DW, Sokoll LJ, Roberts WL, van Schaik RH, Mizrahi IA. A multicenter study of [-2]pro-prostate specific antigen combined with prostate specific antigen and free prostate specific antigen for prostate cancer detection in the 2.0 to 10.0 ng/ml prostate specific antigen range. J Urol. 2011 May;185(5):1650-5. Epub 2011 Mar 17

Natarajan S, Marks LS, Margolis DJ, Huang J, Macairan ML, Lieu P, Fenster A. Clinical application of a 3D ultrasound-guided prostate biopsy system. Urol Oncol. 2011 May-Jun;29(3):334-42.

Xie C, Kim HJ, Haw JG, Kalbasi A, Gardner BK, Li G, Rao J, Chia D, Liong M, Punzalan RR, Marks LS, Pantuck AJ, de la Taille A, Wang G, Mukouyama H, Zeng G. A novel multiplex assay combining autoantibodies plus PSA has potential implications for classification of prostate cancer from non-malignant cases. J Transl Med. 2011 Apr 19;9:43.

Marks LS, Huang J. Words of wisdom. Re: copy number analysis indicates monoclonal origin of lethal metastatic prostate cancer. Eur Urol. 2010 Apr;57(4):727-8.

Isbarn H, Pinthus JH, Marks LS, Montorsi F, Morales A, Morgentaler A, Schulman C. Testosterone and prostate cancer: revisiting old paradigms. Eur Urol. 2009 Jul;56(1):48-56. Epub 2009 Apr 8