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Percutaneous fine needle aspiration biopsy of retroperitoneal lymph nodes and abdominal masses was performed in 109 patients. Eighty-five per cent of the aspiration biopsies yielded sufficient cytologic material for a correct diagnosis. Indications include confirmation of lymphangiographic findings and the establishment of a histologic diagnosis in lieu of surgery. No significant complications were encountered.
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Zornoza et al. (1977) studied this question.
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