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Unbound Medicine.
(periportal tracking)
25 results
  • The Efficacy of MRI in the diagnostic workup of cystic fibrosis-associated liver disease: A clinical observational cohort study. [Journal Article]
    Eur Radiol. 2019 Feb; 29(2):1048-1058.Poetter-Lang S, Staufer K, … Ba-Ssalamah A
  • CONCLUSIONS: A short unenhanced MRI protocol can identify the three cardinal imaging features of CFLD. The hepatobiliary phase of gadoxetic acid-enhanced MRI can define CFLD progression.• Using a multivariate classification analysis, we identified three independent imaging features, altered gallbladder morphology (GBAM), periportal tracking (PPT) and periportal fat deposition (PPFD), that could diagnose CFLD with high sensitivity, 94.1 % (95% CI: 71.3-99.9) and moderate specificity, 84.6 % (95% CI: 54.6-98.1). • Based upon the results of this study, gadoxetic acid-enhanced MRI with DWI is able to diagnose early-stage CFLD, as well as its progression.
  • Biliary Fasciola gigantica infestation in a nonendemic area--An intraoperative surprise. [Case Reports]
    J Pediatr Surg. 2015 Nov; 50(11):1983-6.Menon P, Sinha AK, … Thapa BR
  • A 7year old girl infected with the zoonotic trematode, Fasciola gigantica is reported because of the extreme rarity of this condition in our region. Because of the overlap in symptomatology and radiological features, the more common amebic/pyogenic liver abscess in the initial hepatic migratory phase and later choledochal cyst/biliary ascariasis when the parasite was finally located in the extrah…
  • Radiological Imaging Features of Fasciola hepatica Infection - A Pictorial Review. [Journal Article]
    J Clin Imaging Sci. 2012; 2:2.Dusak A, Onur MR, … Dogra VS
  • Fascioliasis refers to a zoonosis caused by Fasciola hepatica, a trematode infecting herbivores, but also occurs in humans who ingest the metacercaria found in fresh water plants. Infection in humans is common in developing countries and is also not uncommon in Europe. Diagnosis of this infection is difficult, as the history and symptoms are nonspecific and stool analysis for eggs is negative unt…
  • Extrarenal manifestations of severe acute pyelonephritis: CT findings in 21 cases. [Journal Article]
    Emerg Radiol. 2006 Nov; 13(2):73-7.Zissin R, Osadchy A, … Kitay-Cohen Y
  • The aim of this study is to report the extrarenal computerized tomography (CT) findings in patients with acute pyelonephritis (APN). Twenty-one CT examinations of 20 patients [19 women and one man, with ages ranging from 18 to 57 years (mean -35.2 years)], presenting either with a clinical diagnosis of APN (n=17) or with a suspected acute appendicitis, fever of unknown origin, and adult respirato…
  • Factors of failure for nonoperative management of blunt liver and splenic injuries. [Review]
    World J Surg. 2001 Nov; 25(11):1393-6.Ochsner MG
  • A review of the literature describing the management of hepatic and splenic injuries indicates that as many as 67% of exploratory celiotomies for blunt trauma are reported as nontherapeutic. Avoiding unnecessary surgery through nonoperative management offers an attractive alternative. Nonetheless, nonoperative management should not be considered unless the patient meets the following criteria: (1…
  • Hepatic periportal tracking associated with severe acute pyelonephritis. [Case Reports]
    Abdom Imaging. 2000 May-Jun; 25(3):251-4.Zissin R, Kots E, … Shapiro-Feinberg M
  • The computed tomographic appearance of hepatic perivascular halos has been described in a variety of disorders. We observed three cases with sepsis due to acute pyelonephritis who presented with anasarca and had identical computed tomographic features of periportal edema associated with ascites, pleural effusion, a thickened gallbladder wall, and a dilated inferior vena cava. None of the three pa…
  • The epidemiology of schistosomiasis in Egypt: Qalyubia Governorate. [Journal Article]
    Am J Trop Med Hyg. 2000 Feb; 62(2 Suppl):49-54.Habib M, Abdel Aziz F, … Cline BL
  • The primary objectives of this study, carried out in Qalyubia Governorate in Egypt (south-central Nile Delta), were to continue tracking historical trends of infection prevalence of Schistosoma mansoni and S. haematobium, determine whether satellites (ezbas) of mother villages differed significantly with respect to schistosomiasis transmission, and to asses schistosomiasis-induced morbidity on a …
  • Computed tomography in blunt hepatic trauma. [Journal Article]
    Arch Surg. 1996 Mar; 131(3):255-60.Davis KA, Brody JM, Cioffi WG
  • CONCLUSIONS: The finding of PPT on the admission CT scan is not clinically significant and does not preclude nonoperative management of patients with blunt hepatic injury. Furthermore, routine follow-up CT scans are not indicated, as treatment is not influenced by their results. Rather, follow-up CT scans should be obtained as dictated by the patient's clinical course. Extrapolation of these findings to all patients with blunt hepatic trauma in the United States would result in considerable savings of health care dollars, without negatively affecting patient care.
  • Periportal halo: a CT sign of liver disease. [Journal Article]
    Abdom Imaging. 1993; 18(1):42-6.Lawson TL, Thorsen MK, … Foley WD
  • Periportal halos are defined as circumferential zones of decreased attenuation identified around the peripheral or subsegmental portal venous branches on contrast-enhanced computed tomography (CT). These halos probably represent fluid or dilated lymphatics in the loose areolar zone around the portal triad structures. While this CT finding is nonspecific, it is abnormal and should prompt close scr…
  • Pediatric blunt abdominal trauma: periportal tracking at CT. [Journal Article]
    Radiology. 1992 Jun; 183(3):689-91.Patrick LE, Ball TI, … Winn KJ
  • Periportal zones of decreased attenuation at computed tomography (CT) have been described in a variety of disorders. In the setting of blunt abdominal trauma, the zones have been attributed to dissection of blood along the portal tracts. Because of the observation of isolated periportal tracking (PPT) in children after blunt trauma, the authors retrospectively reviewed CT scans of the abdomen obt…
  • Periportal low attenuation at CT in childhood. [Journal Article]
    Radiology. 1992 Jun; 183(3):685-8.Siegel MJ, Herman TE
  • Periportal low attenuation, defined as a low-attenuation rim around the portal vein and its branches that is seen on contrast material-enhanced computed tomographic (CT) scans, has been described in a variety of conditions in adults. The authors reviewed the appearance of periportal low attenuation on CT scans of 30 children. An association was found between a rim of low attenuation and hepatic t…
  • Periportal tracking in hepatic trauma: CT features. [Journal Article]
    J Comput Assist Tomogr. 1989 Nov-Dec; 13(6):952-7.Macrander SJ, Lawson TL, … Quiroz FA
  • In retrospective review, 51 cases of hepatic trauma were analyzed for type and location of injury. More than half of these cases (62%) demonstrated periportal zones of decreased attenuation, which is presumed to represent blood in the periportal region. This finding has been termed "periportal tracking" and may be an important sign of subtle liver injury.
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