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J Korean Radiol Soc. 1994 Jul;31(1):125-130. Korean. Original Article.
Shin HS , Bae SH , Lee KH , Yun KS , Lim HK , Kim EA .

PURPOSE:We report the results of image-guided percutaneous biopsies with a biopsy gun and evaluate the clinical usefullness. MATERIALS AND METHODS: One hundred and five biopsies under ultrasonographic or fiuoroscopic guidance were performed. Various anatomic sites were targeted (liver;50, chest;22, kidney;12, pancreas;8, intraperitoneum;7, retroperitoneum; ). RESULTS:Obtained tissue was diagnostic in 98 of the 105 biopsies(93%). In each instance, representative core tissue specimens were obtained. Evaluation of the core tissue by pathologist revealed consistent, uniform specimens that contained significant crush artifact in no case. Five biopsies yielded inadeguate tissues which were too small for histopathologic interpretation or were composed of necrotic debris. Two biopsies yielded adequate tissues, but tissues were not of the target. The diagnoses were malignancy in 77 biopsies and benign disease in 21 biopsies. No complications other than mild, localized discomfort were encountered except a transient hemoptysis and pneumothorax which was observed in two patients. CONCLUSION:Cutting biopsy with a biopsy gun provided sufficient amount of target tissue for an accurate diagnosis of malignant and benign disease. It was a safe and useful procedure for percutaneous biopsy.

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