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  1. #1
    pathologyguy is offline Junior Member
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    another exudate vs. transudate question

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    A patient with previously diagnosed lung cancer develops a large pleural effusion. The effusion is tapped and demonstrates an unusual milky white fluid that upon standing, separates into a thin white layer over a thicker clear layer. The lipid content of the fluid is high. This is most likely an example of which of the following?

    A. Chylous effusion
    B. Exudate
    C. Fibrinous pleuritis
    D. Fibrous pleuritis
    E. Transudate

  2. #2
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    Asclepius1 is offline Ultimate Member 537 points
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    my guess is chylous effusion

  3. #3
    drprateekgupta is offline Junior Member
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    answer is chylous as it is a known complication for malignancy

  4. #4
    pathologyguy is offline Junior Member
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    chylomicron-rich lymphatic fluid

    Good job everyone!!!!

    The correct answer is A. The fluid is lymphatic fluid. A large tumor in the chest can damage the thoracic duct, allowing the chylomicron-rich lymphatic fluid from the abdomen to drain into the pleural cavity (chylothorax) rather than the vena cava.
    Exudates (choice B) are fluids produced by lesions such as bacterial infections that contain more protein than does serum; transudates (choice E) are filtrates of serum.

    Fibrinous pleuritis (choice C) is characterized by deposition of fibrin on the pleural surface.

    Fibrous pleuritis (choice D) is characterized

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