Publications by authors named "Carolyn S Dupuis"

5 Publications

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Ultrasonographic evaluation of patients with abnormal liver function tests in the emergency department.

Ultrasonography 2021 Nov 18. Epub 2021 Nov 18.

Department of Radiology, University of Massachusetts Medical School, Worcester, MA, USA.

Ultrasonography is often the initial modality used to evaluate patients found to have abnormal liver function tests (LFTs) in the emergency department. While an assessment for biliary ductal dilatation and obstruction remains one of the main questions to answer, radiologists should also be aware of the ultrasonographic appearance of other conditions that can cause abnormal LFTs. This may be crucial for the management and disposition of patients in the emergency department. This article reviews the ultrasonographic features of diseases that may cause abnormal LFTs.
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http://dx.doi.org/10.14366/usg.21152DOI Listing
November 2021

What to Expect When They are Expecting: Magnetic Resonance Imaging of the Acute Abdomen and Pelvis in Pregnancy.

Curr Probl Diagn Radiol 2017 Nov - Dec;46(6):423-431. Epub 2016 Dec 15.

Department of Radiology, University of Massachusetts Medical School, Worcester, MA.

In this article, we discuss the challenges in the diagnosis of acute abdominopelvic pain in pregnant patients, role of imaging, and advantages of MRI over other modalities. Methods consist of pictorial review. We review the differential diagnoses and illustrate the MRI findings in pregnant patients with acute abdominopelvic pain, including gastrointestinal, gynecologic, urologic, and vascular etiologies.
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http://dx.doi.org/10.1067/j.cpradiol.2016.12.007DOI Listing
February 2018

Gallbladder opacification on gadoxetate disodium-enhanced CT scan.

Emerg Radiol 2017 Apr 2;24(2):139-142. Epub 2016 Nov 2.

Radiology Department, University of Massachusetts Medical School, 55 Lake avenue North, Worcester, MA, 01655, USA.

This study aimed to evaluate the radiologist's ability to identify excreted gadoxetate disodium within the gallbladder on CT scan. Thirty three healthy adults underwent imaging of the liver during work-up for potential liver donation. Three patients had undergone prior cholecystectomy and therefore were excluded. Imaging consisted of gadoxetate disodium-enhanced magnetic resonance cholangiography (MRC) and multiphase contrast-enhanced CT scan of the abdomen and pelvis. Two fellowship-trained abdominal imaging radiologists, who were blinded to the MRC images and the contrast agent used during MRC, independently reviewed the CT scans of the 30 patients that were included. The scans were evaluated for the presence or absence of abnormal hyperdensity within the gallbladder. Three patients did not receive intravenous gadoxetate disodium, 4 patients had their MRC after the CT scan, and 1 patient had the CT scans 5 days following the MRC. Twenty two patients had the CT scan within 24 h following the gadoxetate disodium-enhanced MRC. Of the 22 patients expected to have gadolinium in the gallbladder, both reviewers identified hyperdensity in the same 20 patients (90%). Both reviewers reported no abnormal hyperdensity within the gallbladder in the remaining 10 patients. CT scan can reveal excreted gadoxetate disodium within the gallbladder lumen and therefore gadoxetate disodium-enhanced CT scan can potentially play a role in the evaluation of cystic duct patency and work-up of acute cholecystitis.
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http://dx.doi.org/10.1007/s10140-016-1459-1DOI Listing
April 2017

Ultrasonography of adnexal causes of acute pelvic pain in pre-menopausal non-pregnant women.

Ultrasonography 2015 Oct 9;34(4):258-67. Epub 2015 May 9.

Department of Radiology, UMass Memorial Medical Center, University of Massachusetts Medical School, Worcester, MA, USA.

Acute-onset pelvic pain is an extremely common symptom in premenopausal women presenting to the emergency department. After excluding pregnancy in reproductive-age women, ultrasonography plays a major role in the prompt and accurate diagnosis of adnexal causes of acute pelvic pain, such as hemorrhagic ovarian cysts, endometriosis, ovarian torsion, and tubo-ovarian abscess. Its availability, relatively low cost, and lack of ionizing radiation make ultrasonography an ideal imaging modality in women of reproductive age. The primary goal of imaging in these patients is to distinguish between adnexal causes of acute pelvic pain that may be managed conservatively or medically, and those requiring emergency/urgent surgical or percutaneous intervention.
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http://dx.doi.org/10.14366/usg.15013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4603210PMC
October 2015

Injuries and conditions of the extensor mechanism of the pediatric knee.

Radiographics 2009 May-Jun;29(3):877-86

Department of Radiology, University of Massachusetts Medical School, 55 Lake Ave N, Worcester, MA 01655, USA.

The extensor mechanism of the knee is essential to ambulation and is subject to a number of traumatic, congenital, and inflammatory processes. In the pediatric population, the spectrum of pathologic conditions affecting the extensor mechanism is specific to skeletally immature patients. In addition, certain congenital and developmental disorders may further predispose the knee extensor mechanism to injury. The pathologic processes can be subdivided into categories: conditions of the attachments and insertions of the quadriceps and patellar tendons, conditions of the patella, conditions of the quadriceps muscle group, and avulsions of the superior attachments of the quadriceps. Cases of conditions affecting the extensor mechanism of the pediatric knee were collected at two large trauma centers, and the clinical and radiologic features were reviewed. Initial evaluation of these conditions is performed with radiography, but magnetic resonance imaging has evolved into a useful adjunct for assessing the soft tissues for a more precise evaluation of the true extent of an injury, thereby affecting decisions about surgical intervention and prognosis.
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http://dx.doi.org/10.1148/rg.293085163DOI Listing
August 2009
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