Abstract：
Objective:To evaluate the diagnostic accuracy of ultrasound in obstructive jaundice taking MRCP as gold standard. Methods:This cross-sectional study was conducted at Dow Institute of Radiology (DIR), Dow University of Health Sciences (DUHS), Karachi from 2nd May 2018 till 2nd November 2018. Both male and female patients aged 30 to 80 years with suspected obstructive jaundice were included. Patients already diagnosed with obstructive jaundice were excluded. MRCP and ultrasound were performed in suspected patients. Diagnostic accuracy including sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of obstructive jaundice were calculated using contingency tables using MRCP findings as gold standard. Results:Mean age of the patients was 54.73 ± 12.65 years. In causes of obstruction, choledocholothiasis was responsible for 85 (35.1%), stricture 61 (25.2%), carcinoma of head of pancreas 39 (16.1%), periampullary carcinoma 21 (8.7%), cholangiocarcinoma 10 (4.1%) and gallbladder carcinoma 26 (10.7%) of the cases. Diagnostic accuracy of ultrasound in obstructive jaundice taking MRCP findings as gold standard showed sensitivity, specificity, positive predicted value (PPV), negative predicted value (NPV) and overall diagnostic accuracy as 84.57%, 79.10%, 91.36%, 66.25% and 83.06%. Conclusion:Ultrasound has a high sensitivity, moderate specificity, and high diagnostic accuracy in diagnosis of obstructive jaundice.
journal_name
Pak J Med Scijournal_title
Pakistan journal of medical sciencesauthors
Hanif H,Khan SA,Muneer S,Adil SOdoi
10.12669/pjms.36.4.1665subject
Has Abstractpub_date
2020-05-01 00:00:00pages
652-656issue
4eissn
1682-024Xissn
1681-715Xpii
PJMS-36-652journal_volume
36pub_type
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journal_title：Pakistan journal of medical sciences
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journal_title：Pakistan journal of medical sciences
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journal_title：Pakistan journal of medical sciences
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pub_type： 杂志文章
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更新日期：2019-07-01 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Pakistan journal of medical sciences
pub_type： 杂志文章
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更新日期：2020-11-01 00:00:00
