Friedrich Knollmann, M.D., Ph.D.

Friedrich Knollmann, M.D., Ph.D.



Cardiothoracic Radiology




  • Professor of Clinical Radiology
To see if Friedrich Knollmann is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

Lawrence J. Ellison Ambulatory Care Center

4860 Y St., Suite 3100
Sacramento, CA 95817
Driving Directions

Primary Phone:

UC Davis Medical Center

2315 Stockton Blvd.
Sacramento, CA 95817
Driving Directions

Primary Phone:
800-2-UCDAVIS (800-282-3284)

Additional Phone Numbers

Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Clinical Interests

Dr. Knollmann's clinical interests include: Cardiothoracic imaging, cardiovascular CT and MRI, chest imaging, and oncologic imaging.

Research/Academic Interests

Dr. Knollmann's research interests include: Cardiac imaging with CT and MRI, cardiovascular imaging, and assessment of tumor response to treatment with CT perfusion imaging in lung cancer.


Cardiac Radiology


M.D., University of Heidelberg, Heidelberg, Germany 1993

Ph.D., Diagnostic Radiology, Humboldt University, Charite, Berlin, Germany 2001


Diagnostic Radiology, Charite, Berlin, Germany 1997-1999

Cardiothoracic Surgery, Deutschers Herzzentrum, Berlin, Germany 1996-1997

Board Certifications

American Board of Radiology, Diagnostic Radiology, 2011

Board Certified, Cardiovascular Computed Tomography, 2011

Professional Memberships

American College of Radiology

American Heart Association

American Roentgen Ray Society

European Society of Radiology

North American Society for Cardiovascular Imaging

Radiological Society of North America

Society of Cardiovascular Computed Tomography

Society of Thoracic Radiology

Honors and Awards

Certificate of Reviewing Excellence presented by Elsevier and the Editors in Academic Radiology for excellence in peer review, 2013

Select Recent Publications

Popma JJ, Adams DH, Reardon MJ, Yakubov SJ, Kleiman NS, Heimansohn D, Hermiller J Jr, Hughes GC, Harrison JK, Coselli J, Diez J, Kafi A, Schreiber T, Gleason TG, Conte J, Buchbinder M, Deeb GM, Carabello B, Serruys PW, Chenoweth S, Oh JK; CoreValve United States Clinical Investigators. Transcatheter aortic valve replacement using a self-expanding bioprosthesis in patients with severe aortic stenosis at extreme risk for surgery. J Am Coll Cardiol. 2014 May 20;63(19):1972-81.

Knollmann FD, Kumthekar R, Fetzer D, Socinski MA. Assessing response to treatment in non--small-cell lung cancer: role of tumor volume evaluated by computed tomography. Clin Lung Cancer. 2014 Mar;15(2):103-9.

Knollmann FD, Lacomis JM, Ocak I, Gleason T. The role of aortic wall CT attenuation measurements for the diagnosis of acute aortic syndromes. Eur J Radiol. 2013 Dec;82(12):2392-8.

Seethala S, Shah H, Knollmann F, Ramani R, Němec J. Radiofrequency ablation of post-incisional atrial flutter and high-output heart failure in a patient with interrupted inferior vena cava and hereditary hemorrhagic telangiectasia. Hellenic J Cardiol. 2013 Nov-Dec;54(6):474-9.

Nichols L, Saunders R, Knollmann FD. Causes of death of patients with lung cancer. Arch Pathol Lab Med. 2012 Dec;136(12):1552-7.

Ocak I, Lacomis JM, Deible CR, Türkbey B, Knollmann F. Prevalence of aortic root dilation in patients with CT angiography of the aorta. Diagn Interv Radiol. 2011 Sep;17(3):272-6.

Pu J, Zheng B, Leader JK, Fuhrman C, Knollmann F, Klym A, Gur D. Pulmonary lobe segmentation in CT examinations using implicit surface fitting. IEEE Trans Med Imaging. 2009 Dec;28(12):1986-96.

Ocak I, Lacomis JM, Deible CR, Pealer K, Parag Y, Knollmann F. The aortic root: comparison of measurements from ECG-gated CT angiography with transthoracic echocardiography. J Thorac Imaging. 2009 Aug;24(3):223-6.

Pu J, Leader JK, Zheng B, Knollmann F, Fuhrman C, Sciurba FC, Gur D. A Computational geometry approach to automated pulmonary fissure segmentation in CT examinations. IEEE Trans Med Imaging. 2009 May;28(5):710-9.

Knollmann FD, Wieltsch A, Peters S, Mahlke A, Niederberger S, Kertesz T. Flat panel volume computed tomography of the coronary arteries. Acad Radiol. 2009 Oct;16(10):1251-62.