頭頸部領域におけるBiopty-Gunを用いた生検法の有用性

概要

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Recently, "Biopty-Gun" technique has been introduced as a new biopsy technique specially in urological field. We applied it to obtain histopathological specimens of head and neck lesions. 25 specimens were taken with 18-gauge needle, using ultrasonic guidance in cases where the targets were very close to arteries or very small or cystic lesions. All these 25 specimens could be obtained without any complication such as crushing of tissue and they were all sufficiently clear and high-quality specimens. In 23 of these 25 specimens, exact histopathological diagnosis could be made. "Biopty-Gun" minimizing possible movement of tissue which may often occur with the conventional biopsy technique, permitted obtaining tissue specimens without crushing or damaging cells of tissue to be sampled, and it was concluded to be a highly safe and useful biopsy procedure.