Lei Xing

Administrative Appointments

• Chief of Medical Physics Research, Department of Radiation Oncology, Stanford University (2007 - present)
• Member of ZRG1 (Quick Trials on Imaging and Image-Guided Intervention) section, National Institute of Health (2008 - present)
• Member of Clinical Research and Cancer Epidemiology (CCE) Committee, American Cancer Society (2006 - present)
• Member of international advisory board, Physics in Medicine and Bilogy (2008 - present)
• Associate Editor, Medical Physics Journal (2003 - 2008)

Honors and Awards

• Research Scholar of 2005, American Cancer Society (2005)
• Basic Science Investigator Award, American Society of Therapeutic Radiology (ASTRO). (2002)
• Research Scholar Award, American Cancer Society (2001)
• Concept Award for Breast Cancer Research, Department of Defense (2001)

Professional Education

Postdoctoral Advisees

Colin Carpenter, Tae Ho Kim, Ho Lee, Wu Liu, Pavel Lougovski, Yunzhi Ma, Jianguo Qian, Lasitha Senadheera, Conroy Sun, Jing Wang

Community & International Work

• Clinical implementation of intensity modulated radiation therapy 

Web Site Links

• Xing Lab

Research Interests

Biologically conformal radiation therapy (BCRT) and IMRT;
Metabolic imaging (MRSI, PET/CT) for tumor delineation and assessment of therapeutic response;
Radionuclide imaging based on novel tracers;
Radiological and molecular/metablolic image-guided radiation therapy;
Deformable image registration and removal of PET/CT respiratory artifacts;
Radiobiology study using molecular imaging (small animal PET, CT, MRI, optical);
Computer optimization of clinical decision-making and internet medicine.

Clinical Trials

• Real-Time kV Imaging vs. Real-Time 3D Patient Surface Tracking for Head & Neck Cancer Recruiting
• Cervical Nodal Mets in Squamous Cell Carcinoma of H&N - MRI, FDG-PET, & Histopathologic Correlation No longer recruiting
• Endoscopic Capillary Oximetry for Tumor Diagnosis in Head and Neck Cancer No longer recruiting
• Indirect Magnetic Resonance Lymphangiography of the Head and Neck Region Using Conventional Gadolinium-based Contrast Completed
• Phase I Dose Escalation of Stereotactic Radiosurgical Boost for Locally Advanced Esophageal Cancer No longer recruiting

Publications

• Registration of onboard x-ray images with 4DCT for phase verification and setup of gated radiotherapy, in press Xing L, Xu Q, Hamilton R. European Journal of Medical Physics.
• Predicting respiratory tumor motion with multi-dimensional adaptive filters and support vector regression. Riaz N, Shanker P, Wiersma R, Gudmundsson O, Mao W, Widrow B, Xing L. Phys Med Biol. 2009; 54 (19): 5735-48
• Four-dimensional inverse treatment planning with inclusion of implanted fiducials in IMRT segmented fields. Ma Y, Lee L, Keshet O, Keall P, Xing L. Med Phys. 2009; 36 (6): 2215-21
• Scatter correction for cone-beam CT in radiation therapy. Zhu L, Xie Y, Wang J, Xing L. Med Phys. 2009; 36 (6): 2258-68
• Search for IMRT inverse plans with piecewise constant fluence maps using compressed sensing techniques. Zhu L, Xing L. Med Phys. 2009; 36 (5): 1895-905