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Martin Anthony Lodge, Ph.D., M.S.

Martin Anthony Lodge, Ph.D., M.S.

Headshot of Martin Anthony Lodge
  • Associate Professor of Radiology and Radiological Science

Research Interests

Medical imaging physics; positron emission tomography (PET); single photon emission computed tomography (SPECT); computed tomography (CT) more


Dr. Martin A. Lodge is an Associate Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science. He specializes in nuclear medicine and positron emission tomography (PET).

With over 20 years of experience in medical imaging physics, Dr Lodge has an extensive background that includes PET, SPECT, CT and MRI. In 1996 he received a PhD in Medical Physics from the University of London where he worked on gamma camera collimator design and 3D reconstruction. He completed a research fellowship at the National Institutes of Health (Bethesda, MD) before taking a faculty position at the University of Maryland.

In 2006 Dr Lodge joined the faculty at Johns Hopkins where he combines interests in research, clinical physics and education. In his role as the director of clinical physics at the Johns Hopkins University PET Center, he has responsibility for technical aspects of all PET instrumentation, including PET and PET/CT scanners as well as associated equipment. He also has responsibility for Nuclear Medicine instrumentation including SPECT, SPECT/CT and a range of other related probes. He has an interest in the use of computers in medical imaging and manages an extensive range of IT equipment used for clinical and research purposes in the division of Nuclear Medicine and Molecular Imaging. In addition, Dr Lodge has a longstanding interest in multi-detector CT and MRI, in particular dynamic contrast-enhanced MRI.

Recent research interests have focused mainly on PET instrumentation, data processing and image analysis. These have included data acquisition; quantitative image analysis; development of image-based biomarkers; statistical analysis of image data; optimizing clinical protocols; image artifacts; and quality assurance of PET/CT instrumentation. Recent national conference presentations include technical aspects of oncology PET standardized uptake value quantification including repeatability and practical imaging issues. In addition to research presentations at national meetings, he has been involved in workshops on PET/CT instrumentation and serves on the editorial board of the Journal of Nuclear Medicine. more


  • Associate Professor of Radiology and Radiological Science

Departments / Divisions



  • B.S.; University of London (England) (1991)
  • M.S.; University of London (England) (1992)
  • Ph.D.; University of London (England) (1996)

Additional Training

Diplomate of the American Board of Science in Nuclear Medicine

Research & Publications

Research Summary

To measure imaging parameters in an attempt to explain natural phenomena.

Technology Expertise Keywords

medical imaging physics; PET; PET/CT; SPECT; SPECT/CT; quantitative imaging

Selected Publications

View all on PubMed

Lodge MA, Holdhoff M, Leal JP, Bag AK, Nabors LB, Mintz A, Lesser GJ, Mankoff DA, Desai AS, Mountz JM, Lieberman FS, Fisher JD, Desideri S, Ye X, Grossman SA, Schiff D, Wahl RL. "Repeatability of 18F-FLT PET in a Multicenter Study of Patients with High-Grade Glioma." J Nucl Med. 2017 Mar;58(3):393-398

Lodge MA. "Repeatability of SUV in Oncologic 18F-FDG PET." J Nucl Med. 2017 Apr;58(4):523-532

Lodge MA, Holt DP, Kinahan PE, Wong DF, Wahl RL. "Performance assessment of a NaI(Tl) gamma counter for PET applications with methods for improved quantitative accuracy and greater standardization." EJNMMI Phys. 2015 May;2

Lodge MA, Chaudhry MA, Wahl RL. "Noise considerations for PET quantification using maximum and peak standardized uptake value." J Nucl Med. 2012 Jul;53(7):1041-7

Lodge MA, Mhlanga JC, Cho SY, Wahl RL. "Effect of patient arm motion in whole-body PET/CT." J Nucl Med. 2011 Dec;52(12):1891-7

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