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Diagnostic Performance of Magnetic Resonance Cholangiopancreatography in Malignant Obstructive Jaundice.

04:07 EDT 18th April 2014 | BioPortfolio

Summary of "Diagnostic Performance of Magnetic Resonance Cholangiopancreatography in Malignant Obstructive Jaundice."

Malignant obstructive jaundice is caused by tumors arising from the head of the pancreas and biliary tree, or seen due to secondary metastases in the porta hepatis lymph nodes. Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive diagnostic technique that can be used for imaging the entire biliary tree and pancreatic duct system. The objective of this study was to evaluate the accuracy of MRCP in the diagnosis of malignant obstructive jaundice. The methods used involved comparative review of the images obtained by using magnetic resonance imaging and MRCP as well as comparison between MRCP- and pathology-based diagnoses. The accuracy of MRCP-based diagnosis of malignant obstructive jaundice was analyzed. Our data show that the positive rate of anatomical diagnosis and the detection rate of bile ducts on the proximal side of obstruction are 100%. The diagnostic accuracy of malignant obstruction was 82.9%. MRCP was found to have high diagnostic specificity for determining the location and extent of obstruction. We, therefore, concluded that MRCP had significance for clinical diagnosis of malignant obstructive jaundice. The positive rate of localization diagnosis was 100%. Distinguishing the quality of obstruction was also important. The diagnostic accuracy of MRCP for malignant obstructive jaundice was remarkably higher.

Affiliation

Department of Radiology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, 453100, China.

Journal Details

This article was published in the following journal.

Name: Cell biochemistry and biophysics
ISSN: 1559-0283
Pages:

Links

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Medical and Biotech [MESH] Definitions

Non-invasive diagnostic technique for visualizing the PANCREATIC DUCTS and BILE DUCTS without the use of injected CONTRAST MEDIA or x-ray. MRI scans provide excellent sensitivity for duct dilatation, biliary stricture, and intraductal abnormalities.

The creation of a visual display of the inside of the entire body of a human or animal for the purposes of diagnostic evaluation. This is most commonly achieved by using MAGNETIC RESONANCE IMAGING; or POSITRON EMISSION TOMOGRAPHY.

Minimally invasive procedures, diagnostic or therapeutic, performed within the BLOOD VESSELS. They may be perfomed via ANGIOSCOPY; INTERVENTIONAL MAGNETIC RESONANCE IMAGING; INTERVENTIONAL RADIOGRAPHY; or INTERVENTIONAL ULTRASONOGRAPHY.

Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).

JAUNDICE, the condition with yellowish staining of the skin and mucous membranes, that is due to impaired BILE flow in the BILIARY TRACT, such as INTRAHEPATIC CHOLESTASIS, or EXTRAHEPATIC CHOLESTASIS.

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