Patricia Sneed, FACR, MD

Co-director of the Gamma Knife Radiosurgery Program

Dr. Penny K. Sneed is a radiation oncologist and co-director of the Gamma Knife Radiosurgery Program. She is a specialist in the treatment of brain tumors and breast cancer and researches new treatments for these conditions, specifically using the Gamma Knife.

Sneed is the recipient of numerous awards, including the Fellowship in the American College of Radiology. She earned a medical degree at Stanford University and completed a residency in radiation oncology at the University of California, San Francisco. She is a Professor in Residence in the department of Radiation Oncology at UCSF.


Brain Tumor Center
400 Parnassus Ave., Eighth Floor
San Francisco, CA 94143
Phone: (415) 353-2966
Fax: (415) 353-2167

Hours: Monday to Friday, 8 a.m. - 5 p.m.

California Center for Pituitary Disorders
400 Parnassus Ave., Eighth Floor
San Francisco, CA 94143
Phone: (866) 559-5543
or (415) 353-7500
Fax: (415) 353-2889

Hours: Monday to Friday
8 a.m. – 5 p.m.

Radiation Oncology at Mount Zion
1600 Divisadero St., Basement Level
San Francisco, CA 94143-1708
Main Phone: (415) 353-7175
New Patient Appointments: (415) 353-9807
Fax: (415) 353-9884

Hours: Monday to Friday
7 a.m. – 6 p.m.

Radiation Oncology at Parnassus
505 Parnassus Ave, Room L-75
San Francisco, CA 94143-0226
Main Phone: (415) 353-7175
New Patient Appointments: (415) 353-8335
Fax: (415) 353-7281

Hours: Monday to Friday
8 a.m. – 4:30 p.m.

Conditions & Treatments

Academic Title


More about Patricia Sneed


Stanford University School of Medicine 1981


UCSF Medical Center, Radiation Oncology 1986

Selected Research and Publications

  1. Han DY, Ma L, Braunstein S, Raleigh D, Sneed PK, McDermott M. Resection Cavity Contraction Effects in the Use of Radioactive Sources (1-25 versus Cs-131) for Intra-Operative Brain Implants. Cureus. 2018 Jan 16; 10(1):e2079.
  2. Paulsson AK, Braunstein S, Phillips J, Theodosopoulos PV, McDermott M, Sneed PK, Ma L. Patient-Specific Fetal Dose Determination for Multi-Target Gamma Knife Radiosurgery: Computational Model and Case Report. Cureus. 2017 Jul 31; 9(7):e1527.
  3. Wang DD, Lau D, Rolston JD, Englot DJ, Sneed PK, McDermott MW. Pain experience using conventional versus angled anterior posts during stereotactic head frame placement for radiosurgery. J Clin Neurosci. 2014 Sep; 21(9):1538-42.
  4. Butowski N, Chang SM, Lamborn KR, Polley MY, Pieper R, Costello JF, Vandenberg S, Parvataneni R, Nicole A, Sneed PK, Clarke J, Hsieh E, Costa BM, Reis RM, Hristova-Kazmierski M, Nicol SJ, Thornton DE, Prados MD. Phase II and pharmacogenomics study of enzastaurin plus temozolomide during and following radiation therapy in patients with newly diagnosed glioblastoma multiforme and gliosarcoma. Neuro Oncol. 2011 Dec; 13(12):1331-8.
  5. Chang SM, Butowski NA, Sneed PK, Garner IV. Standard treatment and experimental targeted drug therapy for recurrent glioblastoma multiforme. Neurosurg Focus. 2006 Apr 15; 20(4):E4.
  6. Butowski NA, Sneed PK, Chang SM. Diagnosis and treatment of recurrent high-grade astrocytoma. J Clin Oncol. 2006 Mar 10; 24(8):1273-80.
  7. Butowski N, Prados MD, Lamborn KR, Larson DA, Sneed PK, Wara WM, Malec M, Rabbitt J, Page M, Chang SM. A phase II study of concurrent temozolomide and cis-retinoic acid with radiation for adult patients with newly diagnosed supratentorial glioblastoma. Int J Radiat Oncol Biol Phys. 2005 Apr 01; 61(5):1454-9.
  8. Sneed PK, Suh JH, Goetsch SJ, Sanghavi SN, Chappell R, Buatti JM, Regine WF, Weltman E, King VJ, Breneman JC, Sperduto PW, Mehta MP. A multi-institutional review of radiosurgery alone vs. radiosurgery with whole brain radiotherapy as the initial management of brain metastases. Int J Radiat Oncol Biol Phys. 2002 Jul 01; 53(3):519-26.
  9. Diederich CJ, Khalil IS, Stauffer PR, Sneed PK, Phillips TL. Direct-coupled interstitial ultrasound applicators for simultaneous thermobrachytherapy: a feasibility study. Int J Hyperthermia. 1996 May-Jun; 12(3):401-19.
  10. Flickinger JC, Kondziolka D, Lunsford LD, Coffey RJ, Goodman ML, Shaw EG, Hudgins WR, Weiner R, Harsh GR, Sneed PK. A multi-institutional experience with stereotactic radiosurgery for solitary brain metastasis. Int J Radiat Oncol Biol Phys. 1994 Mar 01; 28(4):797-802.
  11. Marquez CM, Sneed PK, Li GC, Mak JY, Phillips TL. HSP 70 synthesis in clinical hyperthermia patients: preliminary results of a new technique. Int J Radiat Oncol Biol Phys. 1994 Jan 15; 28(2):425-30.
  12. Stauffer PR, Sneed PK, Hashemi H, Phillips TL. Practical induction heating coil designs for clinical hyperthermia with ferromagnetic implants. IEEE Trans Biomed Eng. 1994 Jan; 41(1):17-28.
  13. Lindsley K, Stauffer PR, Sneed P, Chin R, Phillips TL, Seppi E, Shapiro E, Henderson S. Heating patterns of the Helios ultrasound hyperthermia system. Int J Hyperthermia. 1993 Sep-Oct; 9(5):675-84.
  14. Mack CF, Stea B, Kittelson JM, Shimm DS, Sneed PK, Phillips TL, Swift PS, Luk K, Vora N, Stauffer PR. Interstitial thermoradiotherapy with ferromagnetic implants for locally advanced and recurrent neoplasms. Int J Radiat Oncol Biol Phys. 1993 Sep 01; 27(1):109-15.
  15. Sause WT, Scott C, Krisch R, Rotman M, Sneed PK, Janjan N, Davis L, Curran W, Choi KN, Selim H. Phase I/II trial of accelerated fractionation in brain metastases RTOG 85-28. Int J Radiat Oncol Biol Phys. 1993 Jul 15; 26(4):653-7.
  16. Sneed PK, Phillips TL. Combining hyperthermia and radiation: how beneficial? Oncology (Williston Park). 1991 Mar; 5(3):99-108; discussion 109-10, 112.
  17. Swift PS, Stauffer PR, Fries PD, Kaleta-Michaels S, Murray T, Sneed PK, Phillips TL, Char DH. Microwave hyperthermia for choroidal melanoma in rabbits. Invest Ophthalmol Vis Sci. 1990 Sep; 31(9):1754-60.
  18. Stauffer PR, Sneed PK, Suen SA, Satoh T, Matsumoto K, Fike JR, Phillips TL. Comparative thermal dosimetry of interstitial microwave and radiofrequency-LCF hyperthermia. Int J Hyperthermia. 1989 May-Jun; 5(3):307-18.
  19. Satoh T, Seilhan TM, Stauffer PR, Sneed PK, Fike JR. Interstitial helical coil microwave antenna for experimental brain hyperthermia. Neurosurgery. 1988 Nov; 23(5):564-9.
  20. Sneed PK, Matsumoto K, Stauffer PR, Fike JR, Smith V, Gutin PH. Interstitial microwave hyperthermia in a canine brain model. Int J Radiat Oncol Biol Phys. 1986 Oct; 12(10):1887-97.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.