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Timothy W.I. Clark, MD

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Associate Professor of Clinical Radiology
Active Staff, Department of Radiology, Penn Presbyterian Medical Center, Philadelphia, PA
Attending Physician, Department of Radiology, Philadelphia Veterans Affairs Medical Center, Philadelphia, PA
Attending Staff, Department of Radiology, University of Pennsylvania School of Medicine, Philadelphia, PA
Attending staff, Department of Radiology, Pennsylvania Hospital, Philadelphia, PA
Department: Radiology

Contact information
Director, Interventional Radiology
Department of Medical Imaging
Penn Presbyterian Medical Center
39th and Market Streets
Philadelphia, PA 19104
Office: 215-662-9182
Fax: 215-615-3545
Education:
B.S. (Biochemistry)
University of Calgary , 1985.
MD (Medicine)
University of Alberta, 1989.
M.Sc. (Clinical Epidemiology)
Dalhousie University, 2000.
Post-Graduate Training
Intern, Royal Columbian Hospital, University of British Columbia, Vancouver, B.C. , 1989-1990.
Resident in Diagnostic Radiology, Royal Columbian Hospital, University of British Columbia, Vancouver, B.C., 1993-1997.
Fellow in Vascular and Interventional Radiology, Hospital of the University of Pennsylvania and Children's Hospital of Philadelphia, 1997-1998.
Master of Science in Medical Education Leadership Course, New York University, New York, NY, 2007-2008.
Certifications
Licentiate of Medical Council of Canada (LMCC), 1989.
Diplomate of National Board of Medical Examiners , 1990.
Fellow, Royal College of Physicians and Surgeons of Canada (FRCP), 1997.
American Board of Radiology, 1997.
American Board of Radiology Certificate of Added Qualifications In Vascular and Interventional Radiology, 2000.
Fellow, Society of Interventional Radiology, 2004.
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Description of Research Expertise

Thermal ablation of renal cell carcinoma; Transjugular intrahepatic portosystemic shunts; Computational flow dynamics in medical device design; Functional MRI for assessment of treatment response following transcatheter embolization; Multivariate modeling in outcomes research

Description of Clinical Expertise

Endovascular recanalization of chronic total arterial occlusions; Limb salvage; Treatment of deep venous thrombosis; Prostate artery embolization; Endovenous laser ablation of varicose veins; Renal artery stenting; Percutaneous thermal ablation of lung, liver, renal, adrenal and soft tissue malignancies; Desmoid tumor ablation; Transjugular intrahepatic portosystemic shunts; Uterine artery embolization (transradial); Percutaneous salvage of nonmaturing hemodialysis fistulas; Embolization of angiomyolipomas

Description of Other Expertise

Philadelphia SuperDoctors(TM)

Selected Publications

Clark Timothy W I, Watts Micah M, Kwan Tak W: Percutaneous Femoropopliteal Recanalization Using a Completely Transpedal/Transtibial Approach. Cardiovascular and interventional radiology Jul 2016.

Hsu Michael C, Weber Charles N, Mohammed Mustafa A, Gade Terence P, Hunt Stephen, Nadolski Gregory J, Clark Timothy W I: Thermal Changes during Rheolytic Mechanical Thrombectomy. Journal of vascular and interventional radiology : JVIR 27(6): 905-12, Jun 2016.

Madoff David C, Gaba Ron C, Weber Charles N, Clark Timothy W I, Saad Wael E: Portal Venous Interventions: State of the Art. Radiology 278(2): 333-53, Feb 2016.

Chen James X, Maass Daniel, Guzzo Thomas J, Bruce Malkowicz S, Wein Alan J, Soulen Michael C, Clark Timothy W I, Nadolski Gregory J, William Stavropoulos S: Tumor Growth Kinetics and Oncologic Outcomes of Patients Undergoing Active Surveillance for Residual Renal Tumor following Percutaneous Thermal Ablation. Journal of vascular and interventional radiology : JVIR 27(9): 1397-406, Sep 2016.

Tom Lisa M, Palevsky Harold I, Holsclaw Douglas S, Trerotola Scott O, Dagli Mandeep, Mondschein Jeffrey I, Stavropoulos S William, Soulen Michael C, Clark Timothy W I: Recurrent Bleeding, Survival, and Longitudinal Pulmonary Function following Bronchial Artery Embolization for Hemoptysis in a U.S. Adult Population. Journal of vascular and interventional radiology : JVIR 26(12): 1806-13.e1, Dec 2015.

Clark Timothy W I, Redmond Jonas W, Mantell Mark P, Nadolski Gregory J, Mondschein Jeffrey I, Dowd Michael F, Dagli Mandeep S, Sudheendra Deepak, Shlansky-Goldberg Richard D, Cohen Raphael D: Initial Clinical Experience: Symmetric-Tip Dialysis Catheter with Helical Flow Characteristics Improves Patient Outcomes. Journal of vascular and interventional radiology : JVIR 26(10): 1501-8, Jul 2015.

Weber Charles N, Nadolski Gregory J, White Sarah B, Clark Timothy W I, Mondschein Jeffrey I, Stavropoulos S William, Shlansky-Goldberg Richard D, Trerotola Scott O, Soulen Michael C: Long-Term Patency and Clinical Analysis of Expanded Polytetrafluoroethylene-Covered Transjugular Intrahepatic Portosystemic Shunt Stent Grafts. Journal of vascular and interventional radiology : JVIR 26(9): 1257-65, Sep 2015.

Clark Timothy W I, McCann Jeffrey W, Salsamendi Jason, Dowd Michael F, Hajdu Cristina H: Optimizing needle direction during transjugular liver biopsy provides superior biopsy specimens. Cardiovascular and interventional radiology 37(6): 1540-5, Dec 2014.

Garnet DJ, Troiano MA, Mantell M, Watts M, Clark TWI. : Do quantitative angiographic changes in infrageniculate perfusion predict clinical success following percutaneous revascularization? J. Vasc Interv Radiol, SIR Annual Meeting, San Diego, CA 2014 Notes: Oral Presentation.

Hecht Elizabeth M, Do Richard K G, Kang Stella K, Bennett Genevieve L, Babb James S, Clark Timothy W I: Diffusion-weighted imaging for prediction of volumetric response of leiomyomas following uterine artery embolization: a preliminary study. Journal of Magnetic Resonance Imaging 33(3): 641-6, Mar 2011.

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Last updated: 09/08/2016
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