K A Scanlan

Radiology Associates

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Pamela A. Propeck

UW Health University Hospital

Myron A. Pozniak

University of Wisconsin–Madison

Valerie P. Jackson

Blue Cross and Blue Shield of Kansas City

Mary Ellen Peters

Armed Forces Institute of Pathology

Susan G. Chosy

University of Wisconsin–Madison

James A. Zagzebski

University of Wisconsin–Madison

F T Lee

UW Health University Hospital

Jannette Collins

Health Affairs

Mark A. Albanese

University of Wisconsin–Madison

Thomas F. Warner

University of Wisconsin–Madison

Cooperative Institutions

University of Wisconsin–Madison

UW Health University Hospital

Highland Community College - Illinois

Madison Group (United States)

Health Affairs

University of Cincinnati Medical Center

University of Cincinnati

University of Michigan–Ann Arbor

University of Pittsburgh

Radiation Oncology Associates

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Blastomycosis of the breast.

American Journal of Roentgenology (1996)

Pamela A. Propeck K A Scanlan

Blastomycosis of the breast.P A Propeck and K A ScanlanAudio Available | Share

Blastomyces

10.2214/ajr.166.3.8623669

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Citations (13)

Radiology faculty evaluation: Bi-institutional implementation of an experimental appraisal instrument

Academic Radiology (1998)

Jannette Collins Mark A. Albanese K A Scanlan Pamela A. Propeck Valerie P. Jackson

Validity

10.1016/s1076-6332(98)80266-3

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Citations (5)

Spectral and color Doppler artifacts.

Radiographics (1992)

Myron A. Pozniak James A. Zagzebski K A Scanlan

Artifacts in spectral and color Doppler imaging can be confusing and lead to misinterpretation of flow information. The authors review these artifacts by considering three main causes: inappropriate equipment settings, anatomic factors, and physical and technical limitations of the modality. Incorrect gain, wall-filter, or velocity scale settings can cause loss of clinically important information or distortion of the tracing. Reflection of the Doppler signal from highly reflective surfaces can create a color Doppler mirror image. Vascular motion can introduce artifactual variation in velocity as the sample volume passes through different velocities in a laminar flow state. Unintentional motion can cause a generalized Doppler shift. Increasing the angle of Doppler interrogation degrades the quality of the tracing and gives the impression of spectral broadening. As angulation approaches 90 degrees, directional ambiguity can occur, suggesting bidirectional flow. Grating and side lobes can interrogate areas unrelated to the sample volume and introduce extraneous Doppler information to the apparent area of interrogation. Recognition of these artifacts is essential to proper interpretation of Doppler information and rendering a correct diagnosis.

Tracing

10.1148/radiographics.12.1.1734480

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Citations (87)

Sebaceous Carcinoma of the Breast in a Patient with Muir-Torre Syndrome

American Journal of Roentgenology (2000)

Pamela A. Propeck Thomas F. Warner K A Scanlan

Sebaceous carcinoma

Breast carcinoma

10.2214/ajr.174.2.1740541

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Citations (33)

Isolated fallopian tube torsion.

American Journal of Roentgenology (1998)

Pamela A. Propeck K A Scanlan

Isolated fallopian tube torsion.P A Propeck and K A ScanlanAudio Available | Share

Fallopian tube

10.2214/ajr.170.4.9530080

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Citations (22)

Inflammatory aortic aneurysm (periaortic fibrosis): radiologic imaging.

Radiology (1986)

M J Cullenward K A Scanlan Myron A. Pozniak C A Acher

Inflammatory aneurysms represent a distinct surgical entity with a reported incidence varying from 5% to 23% of all abdominal aortic aneurysms. Surgical repair of inflammatory aneurysms is associated with a higher morbidity and mortality than is repair of simple aortic aneurysms. Complicated cases require suprarenal aortic control, and the surgeon must be forewarned to maximize the chance for successful aneurysm repair. Preoperative diagnosis of this entity by cross-sectional imaging facilitates improved planning of the operative approach and permits the institution of preoperative steroid treatment to reduce the volume of the periaortic fibrotic mass. Ultrasound demonstrates the inflammatory process as a hypoechoic mass surrounding the intensely echogenic, thickened aortic wall. Computed tomography reveals a thickened, often calcified aortic wall and a mass of periaortic inflammatory tissue. Dynamic scanning reveals rapid intraluminal enhancement, slightly delayed enhancement of the inflammatory mass, and nonenhancement of the thick fibrous adventitia.

Echogenicity

Adventitia

10.1148/radiology.159.1.3513252

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Citations (68)

Controversies in Sonohysterography

Journal of women's imaging (2001)

K A Scanlan

10.1097/00130747-200102000-00004

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Reversed or absent hepatic arterial diastolic flow in liver transplants shown by duplex sonography: a poor predictor of subsequent hepatic artery thrombosis.

American Journal of Roentgenology (1992)

Pamela A. Propeck K A Scanlan

We studied the value of absent or reversed diastolic flow in the hepatic artery, shown by duplex sonography of recently transplanted livers, in predicting subsequent hepatic artery thrombosis.We retrospectively reviewed the records of liver transplantations performed in adults during a 3-year period at our institution. Duplex Doppler studies were done within 24 hr after transplantation and subsequently reviewed. The clinical course of all patients with absent or reversed diastolic flow in the hepatic artery immediately after transplantation was evaluated.Of the 160 liver transplants included in this study, 30 had aberrant diastolic flow in the hepatic artery immediately after transplantation. Twenty had reversed flow, and 10 showed no flow in diastole. In this group of 30 transplants, complications developed in six; two were vascular in origin. One of these complications was thrombosis of the hepatic artery 12 months after transplantation. This 3% thrombosis rate is similar to the 4.6% thrombosis rate of the 130 patients who had antegrade diastolic flow in the hepatic artery immediately after transplantation.Reversed or absent diastolic flow in the hepatic artery of a recently transplanted liver has no correlation with subsequent hepatic artery thrombosis.

10.2214/ajr.159.6.1442382

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Citations (39)

Teaching Atlas of Mammography, 3rd ed.

American Journal of Roentgenology (2001)

K A Scanlan

Teaching Atlas of Mammography, 3rd ed.Kathleen A. ScanlanAudio Available | Share

10.2214/ajr.177.4.1770874

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Citations (17)

Handbook of Breast Imaging

Mary Ellen Peters K A Scanlan Dawn R. Voegeli

The books in this series offer concise reviews of the radiological evaluation of specific anatomical areas. They present state-of-the-art techniques and practical overviews of disease processes and their radiographic interpretation, including discussions of clinical and pathological aspects. This book acts as an introduction to mammography at the resident level, and surveys normal anatomy and physiology for comparison and contrast. It also presents images of malignant and benign masses, unusual lesions, and fibrocystic changes. The book also includes chapters on lymph nodes, skin lesions, and the male breast.

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Citations (3)