Search Results - "OBARA, Piotr"

Prognostic value of metabolic tumor burden in lung cancer by Obara, Piotr, Pu, Yonglin

“…Accurate prognosis in patients with lung cancer is important for clinical decision making and treatment selection. The TNM staging system is currently the main…”
Get full text

Adenoma Localization for Recurrent or Persistent Primary Hyperparathyroidism Using Dynamic Four-Dimensional CT and Venous Sampling by Ginsburg, Michael, MD, Christoforidis, Gregory A., MD, Zivin, Sean P., MD, Obara, Piotr, MD, Wroblewski, Kristen, MS, Angelos, Peter, MD, PhD, Grogan, Raymon H., MD, PhD, Kaplan, Edwin L., MD

“…Abstract Purpose To determine if parathyroid venous sampling (PVS) combined with four-dimensional (4D) computed tomography (CT) improves sensitivity and…”
Get full text

BMI-Based Radiation Dose Reduction in CT Colonography by Ginsburg, Michael, MD, Obara, Piotr, MD, Wise, Leon, MD, Wroblewski, Kristen, MS, Vannier, Michael W., MD, Dachman, Abraham H., MD

“…Rationale and Objectives There is potential for x-ray dose reduction in computed tomography colonography (CTC) relative to body mass index (BMI). We evaluated…”
Get full text

Epidermal growth factor receptor signaling is up-regulated in human colonic aberrant crypt foci by COHEN, Greg, MUSTAFI, Reba, YERIAN, Lisa, TRETIAKOVA, Maria, WEIHUA YUAN, OBARA, Piotr, KHARE, Sharad, SINICROPE, Frank A, FICHERA, Alessandro, BOSS, Gerry R, CARROLL, Robert, BISSONNETTE, Marc, CHUMSANGSRI, Anusara, LITTLE, Nathaniel, NATHANSON, Jeff, CERDA, Sonia, JAGADEESWARAN, Sujatha, DOUGHERTY, Urszula, JOSEPH, Loren, HART, John

“…Aberrant crypt foci (ACF) are collections of abnormal colonic crypts with heterogeneous molecular and pathologic characteristics. Large and dysplastic ACF are…”
Get full text

Primary and Secondary Mesenteric Lesions: CT Imaging Findings and Differential Diagnosis by Obara, Piotr R, Thomas, Stephen

“…The mesentery and omentum are formed by reflections of the peritoneum and serve the purpose of supporting and protecting the bowel. Because of their intimate…”
Get full text

Quantitative radiology: automated measurement of polyp volume in computed tomography colonography using Hessian matrix-based shape extraction and volume growing by Epstein, Mark L, Obara, Piotr R, Chen, Yisong, Liu, Junchi, Zarshenas, Amin, Makkinejad, Nazanin, Dachman, Abraham H, Suzuki, Kenji

“…Current measurement of the single longest dimension of a polyp is subjective and has variations among radiologists. Our purpose was to develop a computerized…”
Get full text

Evolving role of MRI in Crohn's disease by Yacoub, Joseph H., Obara, Piotr, Oto, Aytekin

“…MR enterography is playing an evolving role in the evaluation of small bowel Crohn's disease (CD). Standard MR enterography includes a combination of rapidly…”
Get full text

ACR Appropriateness Criteria ® Imaging of Mesenteric Ischemia by Ginsburg, Michael, Obara, Piotr, Lambert, Drew L, Hanley, Michael, Steigner, Michael L, Camacho, Marc A, Chandra, Ankur, Chang, Kevin J, Gage, Kenneth L, Peterson, Christine M, Ptak, Thomas, Verma, Nupur, Kim, David H, Carucci, Laura R, Dill, Karin E

“…Mesenteric ischemia is an uncommon condition resulting from decreased blood flow to the small or large bowel in an acute or chronic setting. Acute ischemia is…”
Get full text

Evaluating the Referring Physician’s Clinical History and Indication as a Means for Communicating Chronic Conditions That Are Pertinent at the Point of Radiologic Interpretation by Obara, Piotr, Sevenster, Merlijn, Travis, Adam, Qian, Yuechen, Westin, Charles, Chang, Paul J.

“…The clinical history and indication (CHI) provided with a radiological examination are critical components of a quality interpretation by the radiologist. A…”
Get full text

Quantification of metabolic tumor activity and burden in patients with non-small-cell lung cancer: Is manual adjustment of semiautomatic gradient-based measurements necessary? by Obara, Piotr, Liu, Haiping, Wroblewski, Kristen, Zhang, Chen-Peng, Hou, Peng, Jiang, Yulei, Chen, Ping, Pu, Yonglin

“…PURPOSEMetabolic tumor burden (MTB) measurements including metabolic tumor volume and total lesion glycolysis have been shown to have prognostic value in…”
Get full text

Relative value of three whole-body MR approaches for PET-MR, including gadofosveset-enhanced MR, in comparison to PET-CT by Obara, Piotr, Loening, Andreas, Taviani, Valentina, Iagaru, Andrei, Hargreaves, Brian A., Vasanawala, Shreyas

“…Evaluate MR protocol for PET-MR including coronal DWI (cDWI), fat-suppressed T2 (T2w), and gadofosveset-enhanced T1 (CE). 18 patients underwent same-day PET-CT…”
Get full text

The impact of computed high b-value images on the diagnostic accuracy of DWI for prostate cancer: A receiver operating characteristics analysis by Ning, Peigang, Shi, Dapeng, Sonn, Geoffrey A., Vasanawala, Shreyas S., Loening, Andreas M., Ghanouni, Pejman, Obara, Piotr, Shin, Lewis K., Fan, Richard E., Hargreaves, Brian A., Daniel, Bruce L.

“…To evaluate the performance of computed high b value diffusion-weighted images (DWI) in prostate cancer detection. 97 consecutive patients who had undergone…”
Get full text

ACR Appropriateness Criteria® Pulsatile Abdominal Mass, Suspected Abdominal Aortic Aneurysm: 2023 Update by Wang, David S, Shen, Jody, Majdalany, Bill S, Khaja, Minhaj S, Bhatti, Salman, Ferencik, Maros, Ganguli, Suvranu, Gunn, Andrew J, Heitner, John F, Johri, Amer M, Obara, Piotr, Ohle, Robert, Sadeghi, Mehran M, Schermerhorn, Marc, Siracuse, Jeffrey J, Steenburg, Scott D, Sutphin, Patrick D, Vijay, Kanupriya, Waite, Kathleen, Steigner, Michael L

“…Abdominal aortic aneurysm (AAA) is defined as abnormal dilation of the infrarenal abdominal aortic diameter to 3.0 cm or greater. The natural history of AAA…”
Get full text

ACR Appropriateness Criteria® Thoracic Outlet Syndrome by Zurkiya, Omar, Ganguli, Suvranu, Kalva, Sanjeeva P, Chung, Jonathan H, Shah, Lubdha M, Majdalany, Bill S, Bykowski, Julie, Carter, Brett W, Chandra, Ankur, Collins, Jeremy D, Gunn, Andrew J, Kendi, A Tuba, Khaja, Minhajuddin S, Liebeskind, David S, Maldonado, Fabien, Obara, Piotr, Sutphin, Patrick D, Tong, Betty C, Vijay, Kanupriya, Corey, Amanda S, Kanne, Jeffrey P, Dill, Karin E

“…Thoracic outlet syndrome (TOS) is the clinical entity that occurs with compression of the brachial plexus, subclavian artery, and/or subclavian vein at the…”
Get full text

ACR Appropriateness Criteria® Nontraumatic Aortic Disease by Gunn, Andrew J, Kalva, Sanjeeva P, Majdalany, Bill S, Craft, Jason, Eldrup-Jorgensen, Jens, Ferencik, Maros, Ganguli, Suvranu, Kendi, A Tuba, Khaja, Minhajuddin S, Obara, Piotr, Russell, Raymond R, Sutphin, Patrick D, Vijay, Kanupriya, Wang, David S, Dill, Karin E

“…Nontraumatic aortic disease can be caused by a wide variety of disorders including congenital, inflammatory, infectious, metabolic, neoplastic, and…”
Get full text

Prospective Comparison of 99m Tc-MDP Scintigraphy, Combined 18 F-NaF and 18 F-FDG PET/CT, and Whole-Body MRI in Patients with Breast and Prostate Cancer by Minamimoto, Ryogo, Loening, Andreas, Jamali, Mehran, Barkhodari, Amir, Mosci, Camila, Jackson, Tatianie, Obara, Piotr, Taviani, Valentina, Gambhir, Sanjiv Sam, Vasanawala, Shreyas, Iagaru, Andrei

Get full text

Prospective Comparison of sigma up 99 is a subset of Tc-MDP Scintigraphy, Combined sigma up 18 Theta -NaF and sigma up 18 Theta -FDG PET/CT, and Whole-Body MRI in Patients with Breast and Prostate Cancer by Minamimoto, Ryogo, Loening, Andreas, Jamali, Mehran, Barkhodari, Amir, Mosci, Camila, Jackson, Tatianie, Obara, Piotr, Taviani, Valentina, Gambhir, Sanjiv Sam, Vasanawala, Shreyas, Iagaru, Andrei

“…We prospectively evaluated the use of combined 18F-NaF/18F-FDG PET/CT in patients with breast and prostate cancer and compared the results with those for…”
Get full text

Prospective Comparison of ^sup 99^mTc-MDP Scintigraphy, Combined ^sup 18^F-NaF and ^sup 18^F-FDG PET/CT, and Whole-Body MRI in Patients with Breast and Prostate Cancer by Minamimoto, Ryogo, Loening, Andreas, Jamali, Mehran, Barkhodari, Amir, Mosci, Camila, Jackson, Tatianie, Obara, Piotr, Taviani, Valentina, Gambhir, Sanjiv Sam, Vasanawala, Shreyas, Iagaru, Andrei

“…We prospectively evaluated the use of combined 18F-NaF/18F-FDG PET/CT in patients with breast and prostate cancer and compared the results with those for…”
Get full text

Time efficiency and feasibility of Lesion Dashboard workflow for computing RECIST (Response Evaluation Criteria in Solid Tumors) treatment response assessment by Sharma, Manish, Sevenster, Merlijn, Cowhy, Andrea, Obara, Piotr, Peters, Joost F, Trost, William, Wall, Lauren, Westin, Charles W, Chang, PAUL J

“…Abstract only…”
Get full text

ACR Appropriateness Criteria® Clinically Suspected Vascular Malformation of the Extremities by Obara, Piotr, McCool, Justin, Kalva, Sanjeeva P., Majdalany, Bill S., Collins, Jeremy D., Eldrup-Jorgensen, Jens, Ganguli, Suvranu, Gunn, Andrew J., Kendi, A. Tuba, Khaja, Minhajuddin S., Sutphin, Patrick D., Vijay, Kanupriya, Dill, Karin E.

“…Vascular malformations of the extremities represent a wide spectrum of lesions, broadly divided into high-flow and low-flow categories. High-flow lesions…”
Get full text