Sridhar Shankar, MD, MBA

Faculty Physician

Dr. Shankar is a radiologist at Banner University Medical Center and a Clinical Professor in the Department of Medical Imaging at the University of Arizona, College of Medicine - Tucson.  He received his medical degree and completed his internship at Calcutta University in Bankura, West Bangal, India.  Dr. Shankar completed his Radiodiagnosis and Imaging residency at Posgraduate Institute of Medical Education and Research in Chandigarh, India.  He completed an Interventional MRI fellowship at Brigham and Woman's Hospital in Boston, MA and an Oncoradiology fellowship at Dana-Farber Cancer Institute in Boston, MA.  Dr. Shankar received his master's in healthcare administration from Baker College online in Flint, MI.

  • BS: Medical College, Calcutta University, Bankura, West Bengal, India, 1986-1991
  • MBA, Healthcare Administration: Baker College, Flint, MI, 2009-2011
Honors and Awards
  • Educator Award, Family Medicine, UT, Memphis, 2012, 2013
  • Fellows Education Award 2001-2002, Harvard Medical School
  • B.S. Medical College, Calcutta University, Bankura, West Bengal, India, 1991-1992
  • Radiodiagnosis and Imaging: Postgraduate Institute of Medical Education and Research, Chandigarh, 1994-1996
  • General Surgery & Anesthesia: Hindu Rao Hospital, Delhi, India, 1992-1993
  • Interventional MRI: Brigham and Women’s Hospital Boston, MA, 1999-2000
  • Oncoradiology: Dana-Farber Cancer Institute Boston, MA, 2000-2002

Select Publications


Gunabushanam, G., S. Shankar, D. R. Czerniach, J. J. Kelly, and R. A. Perugini, "Small-bowel obstruction after laparoscopic Roux-en-Y gastric bypass surgery.", J Comput Assist Tomogr, vol. 33, issue 3, pp. 369-75, 2009 May-Jun.
Shankar, S., S. K. Dundamadappa, A. R. Karam, R. M. Stay, and E. van Sonnenberg, "Imaging of gastrointestinal stromal tumors before and after imatinib mesylate therapy.", Acta Radiol, vol. 50, issue 8, pp. 837-44, 2009 Oct.


Singh, A. K., J. Leeman, S. Shankar, and J. T. Ferrucci, "Core biopsy with curved needle technique.", AJR Am J Roentgenol, vol. 191, issue 6, pp. 1745-50, 2008 Dec.
Nair, R. T., S. G. Silverman, K. Tuncali, N. A. Obuchowski, E. vanSonnenberg, and S. Shankar, "Biochemical and hematologic alterations following percutaneous cryoablation of liver tumors: experience in 48 procedures.", Radiology, vol. 248, issue 1, pp. 303-11, 2008 Jul.


Tuncali, K., P. R. Morrison, C. S. Winalski, J. A. Carrino, S. Shankar, J. E. Ready, E. vanSonnenberg, and S. G. Silverman, "MRI-guided percutaneous cryotherapy for soft-tissue and bone metastases: initial experience.", AJR Am J Roentgenol, vol. 189, issue 1, pp. 232-9, 2007 Jul. PMID: 17579176
Dundamadappa, S. K., S. Shankar, R. Danrad, A. Singh, G. Vijayaraghavan, Y. Kim, and R. Perugini, "Imaging of brown fat associated with adrenal pheochromocytoma.", Acta Radiol, vol. 48, issue 4, pp. 468-72, 2007 May.
Desai, J., S. Shankar, M. C. Heinrich, J. A. Fletcher, C. D. Fletcher, J. Manola, J. A. Morgan, C. L. Corless, S. George, K. Tuncali, et al., "Clonal evolution of resistance to imatinib in patients with metastatic gastrointestinal stromal tumors.", Clin Cancer Res, vol. 13, issue 18 Pt 1, pp. 5398-405, 2007 Sep 15.


Huang, J., Y. H. Kim, S. Shankar, G. Tyagi, and S. P. Baker, "Multidetector CT urography: comparison of two different scanning protocols for improved visualization of the urinary tract.", J Comput Assist Tomogr, vol. 30, issue 1, pp. 33-6, 2006 Jan-Feb.
Lo, W-K., E. vanSonnenberg, S. Shankar, P. R. Morrison, S. G. Silverman, K. Tuncali, and M. Rabin, "Percutaneous CT-guided radiofrequency ablation of symptomatic bilateral adrenal metastases in a single session.", J Vasc Interv Radiol, vol. 17, issue 1, pp. 175-9, 2006 Jan.


Kagalwala, D. Z., S. Shankar, V. Zota, A. Sandor, and D. E. M. Litwin, "Preoperative computed tomography-guided hookwire needle localization of a peritoneal multilocular inclusion cyst.", J Comput Assist Tomogr, vol. 29, issue 5, pp. 602-3, 2005 Sep-Oct.
Oei, T., E. vanSonnenberg, S. Shankar, P. R. Morrison, K. Tuncali, and S. G. Silverman, "Radiofrequency ablation of liver tumors: a new cause of benign portal venous gas.", Radiology, vol. 237, issue 2, pp. 709-17, 2005 Nov.


Bapuraj, J. R., S. Sridhar, S. K. Sharma, and S. Suri, "Endovascular treatment of a distal urethral-internal pudendal artery fistula complicating internal optical urethrotomy of a post-traumatic urethral stricture.", BJU Int, vol. 83, issue 3, pp. 353-4, 1999 Feb.


Shankar, S., M. Gulati, D. Gupta, A. Rajwanshi, and S. Suri, "CT-guided transthoracic fine-needle aspiration versus transbronchial fluoroscopy-guided needle aspiration in pulmonary nodules.", Acta Radiol, vol. 39, issue 4, pp. 395-9, 1998 Jul.