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Jaundice Diagnosis: Tumor Marker Evaluation Algorithm

Learn about CA 19-9 and CEA tumor markers in diagnosing pancreatic carcinoma, including their specificity and reference ranges. Understand the importance of elevated levels for malignancy detection.

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Jaundice Diagnosis: Tumor Marker Evaluation Algorithm

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  1. Part 5 Final

  2. Laboratory Work-Up

  3. Algorithm for patients with jaundice

  4. Tumor Markers

  5. CA 19-9 297 U/mL • Patients with pancreatic carcinoma, 75-85% have elevated CA 19-9 levels. CA 19-9 value of greater than 100 U/mL is highly specific for malignancy, usually pancreatic. CEA • The reference range is less than or equal to 2.5 mg/mL. • Only 40-45% of patients with pancreatic carcinoma have elevated CEA levels.

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