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Kevin Ryan Kalisz

Assistant Professor of Radiology
Radiology, Abdominal Imaging
Radiology Box 3808, Durham, NC 27710

Selected Publications


Multimodality Imaging in Metabolic Syndrome: State-of-the-Art Review.

Journal Article Radiographics · March 2024 Metabolic syndrome comprises a set of risk factors that include abdominal obesity, impaired glucose tolerance, hypertriglyceridemia, low high-density lipoprotein levels, and high blood pressure, at least three of which must be fulfilled for diagnosis. Meta ... Full text Link to item Cite

First experience of evaluation of the impact of high-matrix size reconstruction in image quality in arterial CT runoff studies of the lower extremities.

Journal Article Eur Radiol · December 2023 OBJECTIVES: To determine whether image reconstruction with a higher matrix size improves image quality for lower extremity CTA studies. METHODS: Raw data from 50 consecutive lower extremity CTA studies acquired on two MDCT scanners (SOMATOM Flash, Force) i ... Full text Link to item Cite

ACR Appropriateness Criteria® Acute Onset Flank Pain-Suspicion of Stone Disease (Urolithiasis).

Journal Article J Am Coll Radiol · November 2023 Noncontrast CT (NCCT) is the imaging study of choice for initial evaluation of patients with acute onset of flank pain and suspicion of stone disease without known prior stone disease. NCCT can reliably characterize the location and size of an offending ur ... Full text Link to item Cite

Evaluation of the impact of a novel denoising algorithm on image quality in dual-energy abdominal CT of obese patients.

Journal Article Eur Radiol · October 2023 OBJECTIVES: Evaluate a novel algorithm for noise reduction in obese patients using dual-source dual-energy (DE) CT imaging. METHODS: Seventy-nine patients with contrast-enhanced abdominal imaging (54 women; age: 58 ± 14 years; BMI: 39 ± 5 kg/m2, range: 35- ... Full text Open Access Link to item Cite

Optimization of non-endorectal prostate MR image quality using PI-QUAL: A multidisciplinary team approach.

Journal Article Eur J Radiol · September 2023 PURPOSE: To evaluate the utility of the PI-QUAL score in assessing protocol changes aimed to improve image quality from a non-endorectal coil prostate MR imaging protocol during a 9-month quality improvement (QI) project and to quantify the inter-reader ag ... Full text Link to item Cite

Image quality of photon counting and energy integrating chest CT - Prospective head-to-head comparison on same patients.

Journal Article Eur J Radiol · September 2023 PURPOSE: To prospectively compare the image quality of high-resolution, low-dose photon-counting detector CT (PCD-CT) with standard energy-integrating-detector CT (EID) on the same patients. METHOD: IRB-approved, prospective study; patients received same-d ... Full text Open Access Link to item Cite

A Faster Prostate MRI: Comparing a Novel Denoised, Single-Average T2 Sequence to the Conventional Multiaverage T2 Sequence Regarding Lesion Detection and PI-RADS Score Assessment.

Journal Article J Magn Reson Imaging · August 2023 BACKGROUND: The T2 w sequence is a standard component of a prostate MRI examination; however, it is time-consuming, requiring multiple signal averages to achieve acceptable image quality. PURPOSE/HYPOTHESIS: To determine whether a denoised, single-average ... Full text Link to item Cite

Ischemic Colitis Due to Idiopathic Myointimal Hyperplasia of the Mesenteric Veins.

Journal Article ACG Case Rep J · August 2023 Idiopathic myointimal hyperplasia of the mesenteric veins (IMHMV) is a rare and poorly understood noninflammatory ischemic colitis. First reported by Genta and Haggitt in 1991, the disease typically presents with chronic abdominal pain, weight loss, and di ... Full text Link to item Cite

Comparing Survival Outcomes of Patients With LI-RADS-M Hepatocellular Carcinomas and Intrahepatic Cholangiocarcinomas.

Journal Article J Magn Reson Imaging · January 2023 BACKGROUND: There is a sparsity of data evaluating outcomes of patients with Liver Imaging Reporting and Data System (LI-RADS) (LR)-M lesions. PURPOSE: To compare overall survival (OS) and progression free survival (PFS) between hepatocellular carcinoma (H ... Full text Link to item Cite

Myocardial Strain Evaluation with Cardiovascular MRI: Physics, Principles, and Clinical Applications.

Journal Article Radiographics · 2022 Myocardial strain is a measure of myocardial deformation, which is a more sensitive imaging biomarker of myocardial disease than the commonly used ventricular ejection fraction. Although myocardial strain is commonly evaluated by using speckle-tracking ech ... Full text Link to item Cite

Overview of spontaneous intraabdominal tumor hemorrhage: etiologies, imaging findings, and management.

Journal Article Abdom Radiol (NY) · February 2021 Hemorrhage is a potential complication of benign and malignant tumors and tumor-like conditions in the abdomen. Patients often have non-specific presentations, although they may present critically ill and hemodynamically unstable. Imaging plays an importan ... Full text Link to item Cite

Chronic airspace disease: Review of the causes and key computed tomography findings.

Journal Article World J Radiol · April 28, 2020 Chronic airspace diseases are commonly encountered by chest, body or general radiologists in everyday practice. Even though there is significant overlap in the imaging findings of different causes of chronic airspace disease, some key clinical, laboratory ... Full text Link to item Cite

An update on Burkitt lymphoma: a review of pathogenesis and multimodality imaging assessment of disease presentation, treatment response, and recurrence.

Journal Article Insights Imaging · May 21, 2019 Burkitt lymphoma (BL) is a highly aggressive, rapidly growing B cell non-Hodgkin lymphoma, which manifests in several subtypes including sporadic, endemic, and immunodeficiency-associated forms. Pathologically, BL is classically characterized by translocat ... Full text Link to item Cite

Cardiovascular findings on cross-sectional imaging: spectrum of incidental and critical findings and clinical relevance for the abdominal radiologist.

Journal Article Abdom Radiol (NY) · March 2019 Although not the primary focus of the exams, cardiovascular structures are included to some extent on all abdominal or whole-body cross-sectional studies. Cardiovascular findings often present incidentally and may range from chronic to acute and emergent p ... Full text Link to item Cite

MRI Evaluation of the Response of Rectal Cancer to Neoadjuvant Chemoradiation Therapy.

Journal Article Radiographics · 2019 MRI plays a critical role in the staging and restaging of rectal cancer. Although newly diagnosed early-stage rectal cancers may immediately be amenable to surgical resection, patients with advanced disease first undergo neoadjuvant therapy that consists o ... Full text Link to item Cite

Immune Checkpoint Inhibitor Therapy-related Pneumonitis: Patterns and Management.

Conference Radiographics · 2019 In recent years, the use of immune checkpoint inhibitor (ICI) therapy has rapidly grown, with increasing U.S. Food and Drug Administration approvals of a variety of agents used as first- and second-line treatments of various malignancies. ICIs act through ... Full text Link to item Cite

Multimodality Imaging in Metabolic Syndrome: State-of-the-Art Review.

Journal Article Radiographics · March 2024 Metabolic syndrome comprises a set of risk factors that include abdominal obesity, impaired glucose tolerance, hypertriglyceridemia, low high-density lipoprotein levels, and high blood pressure, at least three of which must be fulfilled for diagnosis. Meta ... Full text Link to item Cite

First experience of evaluation of the impact of high-matrix size reconstruction in image quality in arterial CT runoff studies of the lower extremities.

Journal Article Eur Radiol · December 2023 OBJECTIVES: To determine whether image reconstruction with a higher matrix size improves image quality for lower extremity CTA studies. METHODS: Raw data from 50 consecutive lower extremity CTA studies acquired on two MDCT scanners (SOMATOM Flash, Force) i ... Full text Link to item Cite

ACR Appropriateness Criteria® Acute Onset Flank Pain-Suspicion of Stone Disease (Urolithiasis).

Journal Article J Am Coll Radiol · November 2023 Noncontrast CT (NCCT) is the imaging study of choice for initial evaluation of patients with acute onset of flank pain and suspicion of stone disease without known prior stone disease. NCCT can reliably characterize the location and size of an offending ur ... Full text Link to item Cite

Evaluation of the impact of a novel denoising algorithm on image quality in dual-energy abdominal CT of obese patients.

Journal Article Eur Radiol · October 2023 OBJECTIVES: Evaluate a novel algorithm for noise reduction in obese patients using dual-source dual-energy (DE) CT imaging. METHODS: Seventy-nine patients with contrast-enhanced abdominal imaging (54 women; age: 58 ± 14 years; BMI: 39 ± 5 kg/m2, range: 35- ... Full text Open Access Link to item Cite

Optimization of non-endorectal prostate MR image quality using PI-QUAL: A multidisciplinary team approach.

Journal Article Eur J Radiol · September 2023 PURPOSE: To evaluate the utility of the PI-QUAL score in assessing protocol changes aimed to improve image quality from a non-endorectal coil prostate MR imaging protocol during a 9-month quality improvement (QI) project and to quantify the inter-reader ag ... Full text Link to item Cite

Image quality of photon counting and energy integrating chest CT - Prospective head-to-head comparison on same patients.

Journal Article Eur J Radiol · September 2023 PURPOSE: To prospectively compare the image quality of high-resolution, low-dose photon-counting detector CT (PCD-CT) with standard energy-integrating-detector CT (EID) on the same patients. METHOD: IRB-approved, prospective study; patients received same-d ... Full text Open Access Link to item Cite

A Faster Prostate MRI: Comparing a Novel Denoised, Single-Average T2 Sequence to the Conventional Multiaverage T2 Sequence Regarding Lesion Detection and PI-RADS Score Assessment.

Journal Article J Magn Reson Imaging · August 2023 BACKGROUND: The T2 w sequence is a standard component of a prostate MRI examination; however, it is time-consuming, requiring multiple signal averages to achieve acceptable image quality. PURPOSE/HYPOTHESIS: To determine whether a denoised, single-average ... Full text Link to item Cite

Ischemic Colitis Due to Idiopathic Myointimal Hyperplasia of the Mesenteric Veins.

Journal Article ACG Case Rep J · August 2023 Idiopathic myointimal hyperplasia of the mesenteric veins (IMHMV) is a rare and poorly understood noninflammatory ischemic colitis. First reported by Genta and Haggitt in 1991, the disease typically presents with chronic abdominal pain, weight loss, and di ... Full text Link to item Cite

Comparing Survival Outcomes of Patients With LI-RADS-M Hepatocellular Carcinomas and Intrahepatic Cholangiocarcinomas.

Journal Article J Magn Reson Imaging · January 2023 BACKGROUND: There is a sparsity of data evaluating outcomes of patients with Liver Imaging Reporting and Data System (LI-RADS) (LR)-M lesions. PURPOSE: To compare overall survival (OS) and progression free survival (PFS) between hepatocellular carcinoma (H ... Full text Link to item Cite

Myocardial Strain Evaluation with Cardiovascular MRI: Physics, Principles, and Clinical Applications.

Journal Article Radiographics · 2022 Myocardial strain is a measure of myocardial deformation, which is a more sensitive imaging biomarker of myocardial disease than the commonly used ventricular ejection fraction. Although myocardial strain is commonly evaluated by using speckle-tracking ech ... Full text Link to item Cite

Overview of spontaneous intraabdominal tumor hemorrhage: etiologies, imaging findings, and management.

Journal Article Abdom Radiol (NY) · February 2021 Hemorrhage is a potential complication of benign and malignant tumors and tumor-like conditions in the abdomen. Patients often have non-specific presentations, although they may present critically ill and hemodynamically unstable. Imaging plays an importan ... Full text Link to item Cite

Chronic airspace disease: Review of the causes and key computed tomography findings.

Journal Article World J Radiol · April 28, 2020 Chronic airspace diseases are commonly encountered by chest, body or general radiologists in everyday practice. Even though there is significant overlap in the imaging findings of different causes of chronic airspace disease, some key clinical, laboratory ... Full text Link to item Cite

An update on Burkitt lymphoma: a review of pathogenesis and multimodality imaging assessment of disease presentation, treatment response, and recurrence.

Journal Article Insights Imaging · May 21, 2019 Burkitt lymphoma (BL) is a highly aggressive, rapidly growing B cell non-Hodgkin lymphoma, which manifests in several subtypes including sporadic, endemic, and immunodeficiency-associated forms. Pathologically, BL is classically characterized by translocat ... Full text Link to item Cite

Cardiovascular findings on cross-sectional imaging: spectrum of incidental and critical findings and clinical relevance for the abdominal radiologist.

Journal Article Abdom Radiol (NY) · March 2019 Although not the primary focus of the exams, cardiovascular structures are included to some extent on all abdominal or whole-body cross-sectional studies. Cardiovascular findings often present incidentally and may range from chronic to acute and emergent p ... Full text Link to item Cite

MRI Evaluation of the Response of Rectal Cancer to Neoadjuvant Chemoradiation Therapy.

Journal Article Radiographics · 2019 MRI plays a critical role in the staging and restaging of rectal cancer. Although newly diagnosed early-stage rectal cancers may immediately be amenable to surgical resection, patients with advanced disease first undergo neoadjuvant therapy that consists o ... Full text Link to item Cite

Immune Checkpoint Inhibitor Therapy-related Pneumonitis: Patterns and Management.

Conference Radiographics · 2019 In recent years, the use of immune checkpoint inhibitor (ICI) therapy has rapidly grown, with increasing U.S. Food and Drug Administration approvals of a variety of agents used as first- and second-line treatments of various malignancies. ICIs act through ... Full text Link to item Cite

Utility of virtual monoenergetic images derived from a dual-layer detector-based spectral CT in the assessment of aortic anatomy and pathology: A retrospective case control study.

Journal Article Clin Imaging · 2018 OBJECTIVES: To evaluate the ability of the retrospectively generated virtual monoenergetic images (VMIs) from a dual-layer detector-based spectral computed tomography (SDCT) to augment aortic enhancement for the evaluation of aortic anatomy and pathology. ... Full text Open Access Link to item Cite

Neuroimaging Wisely.

Journal Article AJNR Am J Neuroradiol · December 2016 Diagnostic imaging is the most rapidly growing physician service in the Medicare and privately insured population. The growing share of medical costs devoted to imaging procedures has led to increasing concerns among the key federal agencies and private pa ... Full text Link to item Cite