PATHOLOGY MCQ
BILIARY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A 63-year-old woman has severe jaundice and back pain. She has been losing weight for three months. Workup reveals obstructive jaundice secondary to a distal common bile duct tumor. Among the following, the preoperative laboratory test most likely to be abnormal is:
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prothrombin time (PT)
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serum potassium
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serum bicarbonate
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partial thromboplastin time (PTT)
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carcinoembryonic antigen (CEA)
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Explanation:
Detailed explanation-1: -Those causing obstructive jaundice in the elderly are extremely rare but can occur. These patients may present with painless jaundice, early satiety, and weight loss due to biliary tract obstruction and stomach compression by the hernia.
Detailed explanation-2: -The serum CA19-9 is a widely used marker to help the differential diagnosis of the MOJ and BOJ6.
There is 1 question to complete.