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Alexander Kagen

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  • Diagnostic Radiology


  • MD, SUNY Downstate Medical Center - College of Medicine

  • Internship, Internal Medicine
    Lenox Hill Hospital

  • Fellowship, MRI
    Johns Hopkins School of Medicine


    Dr. Alexander Kagen, MD is the Site Chair of Radiology at Mount Sinai Roosevelt and Mount Sinai St. Luke’s Hospitals.  This leadership appointment is in addition to Dr. Kagen’s role as Section Chief of Body Imaging and Director of Body MRI at Mount Sinai Beth Israel, Mount Sinai Roosevelt, and Mount Sinai St. Luke’s.

    Recently named to the Super Doctors list (New York Rising Stars 2014), Dr. Kagen has lectured both nationally and internationally on imaging of liver disease, prostate, and gastrointestinal and pancreaticobiliary MRI. He has multiple peer-reviewed publications and has a research interest in MR angiography for perforator flap reconstruction mapping and vascularized lymph node transfer assessment. 

    A regional authority in the field of Body MRI, Dr. Kagen serves on local, national and international committees.  He serves as Chairman of the Radiology-Pathology working group of the American College of Radiology (ACR) Liver Imaging and Reporting Database System (LI-RADS), and is a member of the ACR Magnetic Resonance Prostate Imaging and Reporting Database System (MR-PI-RADS) Committee.

    Dr. Kagen received his medical degree from the College of Medicine at SUNY Downstate Medical Center where he also completed his residency, after a medicine internship at Lenox Hill Hospital.  He completed a clinical fellowship in Body MRI at Johns Hopkins Hospital in Baltimore.



  • 2014 -
    Super Doctors New York Rising Stars

  • 2013 -
    Certificate of Merit Award

  • 2012 -
    Award Winning Abstract
    American Roentgen Ray Society

  • 2011 -
    AUR-AGFA Radiology Management Program

  • 2011 -
    Attending of the Year
    Mount Sinai Beth Israel

  • 2010 -
    Certificate of Appreciation
    Myanmar American Medical Education Society

  • 2008 -
    Roentgen Resident/Fellow Research Award



Dr. Kagen has used novel MRI techniques and coils in the field of prostate MRI in order to improve patient comfort and image quality during prostate MRI examinations. This research has led to improved patient satisfaction for this particular procedure at his institution. In addition, Dr. Kagen used new MRI contrast agents in the assessment of patients undergoing microsurgical reconstruction of the breast, extremities and lymphatic system. He currently works on research aimed at the preoperative and postoperative assessment of patients undergoing vascularized lymph node transfer. He also focuses extensively on diseases of the liver, with special attention to novel molecular imaging agents in MRI which can help provide insight into hepatocellular tumor biology.


Reddy GS, Kagen A, Samson W, Sultan M, Dayan J, Smith ML. Conjoint deep inferior epigastric artery perforator flaps: case series of two patients with subfascial communication of the deep inferior epigastric vein. Plastic and reconstructive surgery 2014 Aug; 134(2).

Dayan JH, Dayan E, Kagen A, Cheng MH, Sultan M, Samson W, Smith ML. The use of magnetic resonance angiography in vascularized groin lymph node transfer: an anatomic study. Journal of reconstructive microsurgery 2014 Jan; 30(1).

Gaunay GS, Barazani Y, Kagen AC, Stember DS. Aggressive angiomyxoma of the scrotum. Clinical imaging; 37(6).

Powell DK, Kodsi KL, Levin G, Yim A, Nicholson D, Kagen AC. Comparison of comfort and image quality with two endorectal coils in MRI of the prostate. Journal of magnetic resonance imaging : JMRI 2014 Feb; 39(2).

Maletz KL, Ennis RD, Ostenson J, Pevsner A, Kagen A, Wernick I. Comparison of CT and MR-CT fusion for prostate post-implant dosimetry. International journal of radiation oncology, biology, physics 2012 Apr; 82(5).

Eiref SD, Holekamp S, Koulos J, Levi G, Winestone M, Kagen A, Leitman M. Jejuno-Uterine Fistula After Endovascular Embolization for Uterine Bleeding. Journal of Surgical Radiology 2010 October; 1(2): 96-99.

Lang E, Thomas R, Davis R, Colon I, Allaf M, Hanano A, Kagen A, Sethi E, Emery K, Rudman E, Myers L. Risks, advantages, and complications of intercostal vs subcostal approach for percutaneous nephrolithotripsy. Urology 2009 Oct; 74(4).

Lang EK, Thomas R, Davis R, Colon I, Cheung W, Sethi E, Rudman E, Hanano A, Myers L, Kagen A. Risks and benefits of the intercostal approach for percutaneous nephrolithotripsy. International braz j urol : official journal of the Brazilian Society of Urology; 35(3).

Lang EK, Aberg C, Kagen A, Macchia RJ. Cortical nephrocalcinosis in a patient with history of preeclampsia. The Journal of urology 2008 Apr; 179(4).

Mende U, Semsarian C, Martins DC, Kagen A, Duffy C, Schoen FJ, Neer EJ. Dilated cardiomyopathy in two transgenic mouse lines expressing activated G protein alpha(q): lack of correlation between phospholipase C activation and the phenotype. Journal of molecular and cellular cardiology 2001 Aug; 33(8).

Mende U, Kagen A, Meister M, Neer EJ. Signal transduction in atria and ventricles of mice with transient cardiac expression of activated G protein alpha(q). Circulation research 1999 Nov; 85(11).

Mende U, Kagen A, Cohen A, Aramburu J, Schoen FJ, Neer EJ. Transient cardiac expression of constitutively active Galphaq leads to hypertrophy and dilated cardiomyopathy by calcineurin-dependent and independent pathways. Proceedings of the National Academy of Sciences of the United States of America 1998 Nov; 95(23).

Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.

Below are financial relationships with industry reported by Dr. Kagen during 2015 and/or 2016. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Industry-Sponsored Lectures: MSSM faculty occasionally give lectures at events sponsored by industry, but only if the events are free of any marketing purpose.

  • Bayer

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.

Insurance Information

Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).

Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.

Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.

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