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Related Experiment Videos

Percutaneous inoculation of lymph nodes.

S Levine, A Saltzman

    Journal of Immunological Methods
    |September 27, 1986
    PubMed
    Summary

    Enlarging rat lymph nodes with a single foot injection of particulate material enables easy percutaneous needle injections. This technique simplifies procedures, especially for multiple intranodal inoculations.

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    Area of Science:

    • Immunology
    • Veterinary Medicine
    • Surgical Techniques

    Background:

    • Intranodal injections are crucial for immunological studies and drug delivery.
    • Percutaneous injections into lymph nodes can be challenging due to their small size and deep anatomical location.
    • Existing methods may require surgical exposure, increasing invasiveness and complexity.

    Purpose of the Study:

    • To develop a minimally invasive method for accessing rat lymph nodes for injection.
    • To establish a reliable technique for pre-enlarging lymph nodes to facilitate percutaneous access.
    • To evaluate the utility of this method for multiple intranodal inoculations.

    Main Methods:

    • Rats received a single injection of tin powder or other particulate material into the foot.
    • Popliteal lymph nodes were allowed to enlarge over 2-3 weeks.
    • Percutaneous injections were performed into the enlarged lymph nodes without skin incision.

    Main Results:

    • The injection of particulate material successfully enlarged the popliteal lymph node.
    • Enlargement enabled easy percutaneous needle access without surgical intervention.
    • The method proved effective for subsequent intranodal injections.

    Conclusions:

    • Pre-enlargement of rat lymph nodes via foot injection of particulate matter is a feasible and effective technique.
    • This method simplifies percutaneous intranodal injections, reducing invasiveness.
    • It offers a valuable approach for research involving repeated lymph node administrations.

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