Shai Friedland, MD

Gastroenterologist, Therapeutic endoscopy specialist, Large colon polyp specialist

Associate Professor of Medicine (Gastroenterology and Hepatology) at the Palo Alto Veterans Affairs Health Care System

Digestive Health Center

  • 900 Blake Wilbur Drive
  • Palo Alto, CA 94304
  • Phone: 650-736-5555
Learn More About the Clinic Getting Here Make An Appointment

Digestive Health Center - Endoscopy Suite at Stanford

  • 300 Pasteur Drive
  • Stanford, CA 94305
  • Phone: 650-736-5555
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Digestive Health Center in Redwood City (Endoscopy Suite)

  • 450 Broadway Street
  • Redwood City, CA 94063
  • Phone: 650-736-5555
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Professional Education

Medical Education: UCSD School of Medicine (1996) CA

Fellowship: Stanford University School of Medicine (2002) CA

Residency: Stanford University School of Medicine (1999) CA

Internship: Stanford University School of Medicine (1997) CA

Board Certification: Gastroenterology, American Board of Internal Medicine (2002)

Board Certification: Internal Medicine, American Board of Internal Medicine (1999)

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Outcomes of repeat colonoscopy in patients with polyps referred for surgery without biopsy-proven cancer
Friedland, S., Banerjee, S., Kochar, R., Chen, A., & Shelton, A. (2014). Outcomes of repeat colonoscopy in patients with polyps referred for surgery without biopsy-proven cancer. GASTROINTESTINAL ENDOSCOPY, 79(1), 101-107.

Treatment of nonampullary sporadic duodenal adenomas with endoscopic mucosal resection or ablation.
Perumpail, R., & Friedland, S. (2013). Treatment of nonampullary sporadic duodenal adenomas with endoscopic mucosal resection or ablation. Digestive diseases and sciences, 58(10), 2751-2752.

Metabolomic-derived novel cyst fluid biomarkers for pancreatic cysts: glucose and kynurenine.
Park, W. G., Wu, M., Bowen, R., Zheng, M., Fitch, W. L., & Peltz, G. (2013). Metabolomic-derived novel cyst fluid biomarkers for pancreatic cysts: glucose and kynurenine. Gastrointestinal endoscopy, 78(2), 295-302 e2.

Metabolomic-derived novel cyst fluid biomarkers for pancreatic cysts: glucose and kynurenine
Park, W. G., Wu, M., Bowen, R., Zheng, M., Fitch, W. L., & Peltz, G. (2013). Metabolomic-derived novel cyst fluid biomarkers for pancreatic cysts: glucose and kynurenine. GASTROINTESTINAL ENDOSCOPY, 78(2), 295-?.

A Raman-based endoscopic strategy for multiplexed molecular imaging.
Zavaleta, C. L., Garai, E., Liu, J. Tc., Sensarn, S., Mandella, M. J., & Gambhir, S. S. (2013). A Raman-based endoscopic strategy for multiplexed molecular imaging. Proceedings of the National Academy of Sciences of the United States of America, 110(25), E2288-97.

Endoscopic management of nonlifting colon polyps.
Friedland, S., Shelton, A., Kothari, S., Kochar, R., Chen, A., & Banerjee, S. (2013). Endoscopic management of nonlifting colon polyps. Diagnostic and therapeutic endoscopy, 2013, 412936-?.

Water-aided colonoscopy: a systematic review
Leung, F. W., Amato, A., Ell, C., Friedland, S., Harker, J. O., & Terruzzi, V. (2012). Water-aided colonoscopy: a systematic review. GASTROINTESTINAL ENDOSCOPY, 76(3), 657-666.

Endoscopic mucosal resection with an over-the-counter hyaluronate preparation
Friedland, S., Kothari, S., Chen, A., Park, W., & Banerjee, S. (2012). Endoscopic mucosal resection with an over-the-counter hyaluronate preparation. GASTROINTESTINAL ENDOSCOPY, 75(5), 1040-1044.

A tandem colonoscopy study of adenoma miss rates during endoscopic training: a venture into uncharted territory
Munroe, C. A., Lee, P., Copland, A., Wu, K. K., Kaltenbach, T., & Friedland, S. (2012). A tandem colonoscopy study of adenoma miss rates during endoscopic training: a venture into uncharted territory. GASTROINTESTINAL ENDOSCOPY, 75(3), 561-567.

Proficiency in the Diagnosis of Nonpolypoid Colorectal Neoplasm Yields High Adenoma Detection Rates
Kaltenbach, T., Mcgill, S. K., Kalidindi, V., Friedland, S., & Soetikno, R. (2012). Proficiency in the Diagnosis of Nonpolypoid Colorectal Neoplasm Yields High Adenoma Detection Rates. DIGESTIVE DISEASES AND SCIENCES, 57(3), 764-770.

Diagnostic accuracy of cyst fluid amphiregulin in pancreatic cysts
Tun, M. T., Pai, R. K., Kwok, S., Dong, A., Gupta, A., & Park, W. G. (2012). Diagnostic accuracy of cyst fluid amphiregulin in pancreatic cysts. BMC GASTROENTEROLOGY, 12.

In vivo near-infrared dual-axis confocal microendoscopy in the human lower gastrointestinal tract
Piyawattanametha, W., Ra, H., Qiu, Z., Friedland, S., Liu, J. Tc., & Contag, C. H. (2012). In vivo near-infrared dual-axis confocal microendoscopy in the human lower gastrointestinal tract. JOURNAL OF BIOMEDICAL OPTICS, 17(2).

Colonoscopy With Clipping Is Useful in the Diagnosis and Treatment of Diverticular Bleeding
Kaltenbach, T., Watson, R., Shah, J., Friedland, S., Sato, T., & Soetikno, R. (2012). Colonoscopy With Clipping Is Useful in the Diagnosis and Treatment of Diverticular Bleeding. CLINICAL GASTROENTEROLOGY AND HEPATOLOGY, 10(2), 131-137.

Is colonoscopy best learned underwater?
Friedland, S., & Perumpail, R. (2012). Is colonoscopy best learned underwater?. Journal of interventional gastroenterology, 2(3), 140-141.

The water method significantly enhances patient-centered outcomes in sedated and unsedated colonoscopy
Leung, F. W., Leung, J. W., Mann, S. K., Friedland, S., & Ramirez, F. C. (2011). The water method significantly enhances patient-centered outcomes in sedated and unsedated colonoscopy. ENDOSCOPY, 43(9), 816-821.

A novel device for ablation of abnormal esophageal mucosa
Friedland, S., & Triadafilopoulos, G. (2011). A novel device for ablation of abnormal esophageal mucosa. GASTROINTESTINAL ENDOSCOPY, 74(1), 182-188.

Use of the Colonoscope Training Model with the Colonoscope 3D Imaging Probe Improved Trainee Colonoscopy Performance: A Pilot Study
Kaltenbach, T., Leung, C., Wu, K., Yan, K., Friedland, S., & Soetikno, R. (2011). Use of the Colonoscope Training Model with the Colonoscope 3D Imaging Probe Improved Trainee Colonoscopy Performance: A Pilot Study. DIGESTIVE DISEASES AND SCIENCES, 56(5), 1496-1502.

Learning and teaching the water method (with videos).
Friedland, S., & Leung, F. W. (2011). Learning and teaching the water method (with videos). Journal of interventional gastroenterology, 1(3), 127-129.

The water immersion technique for colonoscopy insertion.
Friedland, S. (2010). The water immersion technique for colonoscopy insertion. Gastroenterology & hepatology, 6(9), 555-556.

Integrating urgent multidetector CT scanning in the diagnostic algorithm of active lower GI bleeding
Copland, A., Munroe, C. A., Friedland, S., & Triadafilopoulos, G. (2010). Integrating urgent multidetector CT scanning in the diagnostic algorithm of active lower GI bleeding. GASTROINTESTINAL ENDOSCOPY, 72(2), 402-405.

Water immersion versus standard colonoscopy insertion technique: randomized trial shows promise for minimal sedation
Leung, C. W., Kaltenbach, T., Soetikno, R., Wu, K. K., Leung, F. W., & Friedland, S. (2010). Water immersion versus standard colonoscopy insertion technique: randomized trial shows promise for minimal sedation. ENDOSCOPY, 42(7), 557-563.

Long-Term Impact of Capsule Endoscopy in Patients Referred for Iron-Deficiency Anemia
Sheibani, S., Levesque, B. G., Friedland, S., Roost, J., & Gerson, L. B. (2010). Long-Term Impact of Capsule Endoscopy in Patients Referred for Iron-Deficiency Anemia. DIGESTIVE DISEASES AND SCIENCES, 55(3), 703-708.

Meckel's Diverticulum with Gastrointestinal Bleeding: Role of Computed Tomography in Diagnosis
Munroe, C. A., Copland, A., Pai, R., Friedland, S., & Triadafilopoulos, G. (2010). Meckel's Diverticulum with Gastrointestinal Bleeding: Role of Computed Tomography in Diagnosis. DIGESTIVE DISEASES AND SCIENCES, 55(2), 242-244.

From Bench to Bedside with Advanced Confocal Microendoscope
Piyawattanametha, W., Mandella, M. J., Ra, H., Liu, J. Tc., Friedland, S., & Solgaard, O. (2010). From Bench to Bedside with Advanced Confocal Microendoscope. 2010 IEEE PHOTONICS SOCIETY WINTER TOPICALS MEETING SERIES, 83-84.

Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy
Mackanos, M. A., Hargrove, J., Wolters, R., Du, C. B., Friedland, S., & Wang, T. D. (2009). Use of an endoscope-compatible probe to detect colonic dysplasia with Fourier transform infrared spectroscopy. JOURNAL OF BIOMEDICAL OPTICS, 14(4).

Endoscopic necrosectomy of organized pancreatic necrosis: a currently practiced NOTES procedure
Friedland, S., Kaltenbach, T., Sugimoto, M., & Soetikno, R. (2009). Endoscopic necrosectomy of organized pancreatic necrosis: a currently practiced NOTES procedure. JOURNAL OF HEPATO-BILIARY-PANCREATIC SURGERY, 16(3), 266-269.

Colonoscopic polypectomy in anticoagulated patients
Friedland, S., Sedehi, D., & Soetikno, R. (2009). Colonoscopic polypectomy in anticoagulated patients. WORLD JOURNAL OF GASTROENTEROLOGY, 15(16), 1973-1976.

Safe endoscopic treatment of large colonic lipomas using endoscopic looping technique
Kaltenbach, T., Milkes, D., Friedland, S., & Soetikno, R. (2008). Safe endoscopic treatment of large colonic lipomas using endoscopic looping technique. DIGESTIVE AND LIVER DISEASE, 40(12), 958-961.

A randomised tandem colonoscopy trial of narrow band imaging versus white light examination to compare neoplasia miss rates
Kaltenbach, T., Friedland, S., & Soetikno, R. (2008). A randomised tandem colonoscopy trial of narrow band imaging versus white light examination to compare neoplasia miss rates. GUT, 57(10), 1406-1412.

Integrated gastrointestinal imaging and therapy
Soetikno, R., Kaltenbach, T., Binmoeller, K., Friedland, S., & Burdon, T. (2008). Integrated gastrointestinal imaging and therapy. GASTROENTEROLOGY, 134(5), 1290-1292.

Detection of colonic dysplasia in vivo using a targeted heptapeptide and confocal microendoscopy
Hsiung, P.- lin, Hardy, J., Friedland, S., Soetikno, R., Du, C. B., & Wang, T. D. (2008). Detection of colonic dysplasia in vivo using a targeted heptapeptide and confocal microendoscopy. NATURE MEDICINE, 14(4), 454-458.

American gastroenterological association (AGA) institute technology assessment on image-enhanced endoscopy
Kaltenbach, T., Sano, Y., Friedland, S., & Soetikno, R. (2008). American gastroenterological association (AGA) institute technology assessment on image-enhanced endoscopy. GASTROENTEROLOGY, 134(1), 327-340.

Small caliber overtube-assisted colonoscopy
Friedland, S., & Soetikno, R. M. (2007). Small caliber overtube-assisted colonoscopy. WORLD JOURNAL OF GASTROENTEROLOGY, 13(44), 5933-5937.

Functional imaging of colonic mucosa with a fibered Confocal microscope for real-time in vivo pathology
Wang, T. D., Friedland, S., Sahbaie, P., Soetikno, R., Hsiung, P.- lin, & Contag, C. H. (2007). Functional imaging of colonic mucosa with a fibered Confocal microscope for real-time in vivo pathology. CLINICAL GASTROENTEROLOGY AND HEPATOLOGY, 5(11), 1300-1305.

Detection of endogenous biomolecules in Barrett's esophagus by Fourier transform infrared spectroscopy
Wang, T. D., Triadafilopoulos, G., Crawford, J. M., Dixon, L. R., Bhandari, T., & Contag, C. H. (2007). Detection of endogenous biomolecules in Barrett's esophagus by Fourier transform infrared spectroscopy. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 104(40), 15864-15869.

Long-term use of proton pump inhibitors does not affect the frequency, growth, or histologic characteristics of colon adenomas
Singh, M., Dhindsa, G., Friedland, S., & Triadafilopoulos, G. (2007). Long-term use of proton pump inhibitors does not affect the frequency, growth, or histologic characteristics of colon adenomas. ALIMENTARY PHARMACOLOGY & THERAPEUTICS, 26(7), 1051-1061.

Short- and long-term outcomes of standardized EMR of nonpolypoid (flat and depressed) colorectal lesions >= 1 cm (with video)
Kaltenbach, T., Friedland, S., Maheshwari, A., Ouyang, D., Rouse, R. V., & Soetikno, R. (2007). Short- and long-term outcomes of standardized EMR of nonpolypoid (flat and depressed) colorectal lesions >= 1 cm (with video). GASTROINTESTINAL ENDOSCOPY, 65(6), 857-865.

Transnasal small-caliber esophagogastroduodenoscopy for preoperative evaluation of the high-risk morbidly obese patient
Alami, R. S., Schuster, R., Friedland, S., Curet, M. J., Wren, S. M., & Safadi, B. Y. (2007). Transnasal small-caliber esophagogastroduodenoscopy for preoperative evaluation of the high-risk morbidly obese patient. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 21(5), 758-760.

Diagnosis of chronic mesenteric ischemia by visible light spectroscopy during endoscopy
Friedland, S., Benaron, D., Coogan, S., Sze, D. Y., & Soetikno, R. (2007). Diagnosis of chronic mesenteric ischemia by visible light spectroscopy during endoscopy. GASTROINTESTINAL ENDOSCOPY, 65(2), 294-300.

Use of a double balloon enteroscope facilitates caecal intubation after incomplete colonoscopy with a standard colonoscope
Kaltenbach, T., Soetikno, R., & Friedland, S. (2006). Use of a double balloon enteroscope facilitates caecal intubation after incomplete colonoscopy with a standard colonoscope. DIGESTIVE AND LIVER DISEASE, 38(12), 921-925.

Dual-axes confocal reflectance microscope for distinguishing colonic neoplasia
Liu, J. Tc., Mandella, M. J., Friedland, S., Soetikno, R., Crawford, J. M., & Wang, T. D. (2006). Dual-axes confocal reflectance microscope for distinguishing colonic neoplasia. JOURNAL OF BIOMEDICAL OPTICS, 11(5).

Colonoscopy with polypectomy in anticoagulated patients
Friedland, S., & Soetikno, R. (2006). Colonoscopy with polypectomy in anticoagulated patients. GASTROINTESTINAL ENDOSCOPY, 64(1), 98-100.

Absence of ischemia in telangiectasias of chronic radiation proctopathy
Friedland, S., Benaron, D., Maxim, P., Parachikov, I., & Soetikno, R. (2006). Absence of ischemia in telangiectasias of chronic radiation proctopathy. ENDOSCOPY, 38(5), 488-492.

Clipping for upper gastrointestinal bleeding
Kaltenbach, T., Friedland, S., Barro, J., & Soetikno, R. (2006). Clipping for upper gastrointestinal bleeding. AMERICAN JOURNAL OF GASTROENTEROLOGY, 101(5), 915-918.

Nonpolypoid (flat and depressed) colorectal neoplasms
Soetikno, R., Friedland, S., Kaltenbach, T., Chayama, K., & Tanaka, S. (2006). Nonpolypoid (flat and depressed) colorectal neoplasms. GASTROENTEROLOGY, 130(2), 566-576.

Design of a visible-light spectroscopy clinical tissue oximeter
Benaron, D. A., Parachikov, I. H., Cheong, W. F., Friedland, S., Rubinsky, B. E., & Kermit, E. L. (2005). Design of a visible-light spectroscopy clinical tissue oximeter. JOURNAL OF BIOMEDICAL OPTICS, 10(4).

Optical detection of tumors in vivo by visible light tissue oximetry
Maxim, P. G., Carson, J. Jl., Benaron, D. A., Loo, B. W., Xing, L., & Friedland, S. (2005). Optical detection of tumors in vivo by visible light tissue oximetry. TECHNOLOGY IN CANCER RESEARCH & TREATMENT, 4(3), 227-234.

18-fluorodeoxyglucose positron emission tomography has limited sensitivity for colonic adenoma and early stage colon cancer
Friedland, S., Soetikno, R., Carlisle, M., Taur, A., Kaltenbach, T., & Segall, G. (2005). 18-fluorodeoxyglucose positron emission tomography has limited sensitivity for colonic adenoma and early stage colon cancer. GASTROINTESTINAL ENDOSCOPY, 61(3), 395-400.

Reflectance spectrophotometry for the assessment of mucosal perfusion in the gastrointestinal tract.
Friedland, S., Soetikno, R., & Benaron, D. (2004). Reflectance spectrophotometry for the assessment of mucosal perfusion in the gastrointestinal tract. Gastrointestinal endoscopy clinics of North America, 14(3), 539-?.

Continuous, noninvasive, and localized microvascular tissue oximetry using visible light spectroscopy
Benaron, D. A., Parachikov, I. H., Friedland, S., Soetikno, R., Brock-Utne, J., & Stevenson, D. K. (2004). Continuous, noninvasive, and localized microvascular tissue oximetry using visible light spectroscopy. ANESTHESIOLOGY, 100(6), 1469-1475.

Measurement of mucosal capillary hemoglobin oxygen saturation in the colon by reflectance spectrophotometry
Friedland, S., Benaron, D., Parachikov, I., & Soetikno, R. (2003). Measurement of mucosal capillary hemoglobin oxygen saturation in the colon by reflectance spectrophotometry. GASTROINTESTINAL ENDOSCOPY, 57(4), 492-497.

Quantitative clinical non-pulsatile and localized visible light oximeter: Design of the T-Stat (TM) tissue oximeter
Benaron, D. A., Parachikov, I. H., Cheong, W. F., Friedland, S., Duckworth, J. L., & Kermit, E. L. (2003). Quantitative clinical non-pulsatile and localized visible light oximeter: Design of the T-Stat (TM) tissue oximeter. OPTICAL TOMOGRAPHY AND SPECTROSCOPY OF TISSUE V, 4955, 355-368.

Gastric pancreatic rest leading to pyogenic liver abscess
Friedland, S., Yu, A., Rouse, R. V., Wong, D., Nino-Murcia, M., & Soetikno, R. M. (2002). Gastric pancreatic rest leading to pyogenic liver abscess. GASTROINTESTINAL ENDOSCOPY, 56(3), 438-440.

Bedside scoring system to predict the risk of developing pancreatitis following ERCP
Friedland, S., Soetikno, R. M., Vandervoort, J., Montes, H., Tham, T., & Carr-Locke, D. L. (2002). Bedside scoring system to predict the risk of developing pancreatitis following ERCP. ENDOSCOPY, 34(6), 483-488.

A novel method to control severe upper GI bleeding from metastatic cancer with a hemostatic sealant: the CoStasis surgical hemostat
Milkes, D. E., Friedland, S., Lin, O. S., Reid, T. R., & Soetikno, R. M. (2002). A novel method to control severe upper GI bleeding from metastatic cancer with a hemostatic sealant: the CoStasis surgical hemostat. GASTROINTESTINAL ENDOSCOPY, 55(6), 735-740.

Stenting the sigmoid colon in a terminally ill patient with prostate cancer.
Friedland, S., Hallenbeck, J., & Soetikno, R. M. (2001). Stenting the sigmoid colon in a terminally ill patient with prostate cancer. Journal of palliative medicine, 4(2), 153-156.

Lift and ligate: a new technique to treat a bleeding polypectomy stump
Soetikno, R. M., Friedland, S., Lewit, V., & Woodford, S. (2000). Lift and ligate: a new technique to treat a bleeding polypectomy stump. GASTROINTESTINAL ENDOSCOPY, 52(5), 681-683.