Experimental studies of the endolymphatic radiotherapy

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<p>By injecting 131I-Lipiodol into lymphatics of the dorsumof dog feet, the distribution of 13JI in the lymph nodes and other principal organs as well as its histological effect were studied periodically after the injection for the period of two months. The characteristic feature of J3JI distribution was the fact that J31I was accumulated into lymph nodes markedly higher than in any otherorgans and it was retained there over a long period of time. Histological examinations of the lymph nodes revealed a marked lymphocytopenia, the loss of germinal center, practically complete loss of lymphoid elements already 5 days after injection, and marked fibrosis.In the lung a considerable J3JI·distribution could be seen in early stage:, but with lapse of time it decreased rapidly. The distribution in other organs such as liver, spleen, bone marrow, kidney, ureter, bladder, thyroid gland, pancreas, testicles and small and large intestineswas negligible in amount, and any specific histologic effect of irradiation could not be recognized in these organs including the lung. From these results, the authors concluded that 131I-Lipiodol has a selective activity on lymph nodes by injecting it via lymphatics and it is a safe method in clinical application to treat the patientsbearing malignant lymphoma or metastatic lymph nodes.</p>


  • Acta Medica Okayama

    Acta Medica Okayama 28(1), 59-67, 1974-02

    Okayama University Medical School


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