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We encountered a case of small bowel perforation due to gastrointestinal amyloidosis secondary to rheumatoid arthritis. The patient was a 56-year-old woman who has been receiving treatment

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A case of paragnaglioma which is rare among the retroperitoneal tumors is reported with review of the literatures. The patient, a 64-year-old man who had the complaints of paresthesia in the lower extremity and abdominal fullness during treatment for old myocardial infarction, was diagnosed to have a retroperitoneal tumor.