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作者对腔内超声检查(ELUS)在确定原发性直肠癌局部浸润和淋巴结(LN)转移中的作用和ELUS引导下LN活检阳性率进行了探讨。并对ELUS确定直肠癌局部复发的盆腔脏器浸润程度与CT检查结果做了比较。所有病人均经超声检查。将配备有7.0-MHz或10.0-MHz传感器的可旋转手持腔内探头,经内径20-mm特制直肠镜置入肿瘤上3～5cm,对直肠及周围组织进行全方位检查。女性病人也可直接置入阴道检查。全组81例病人,男55例,女26例。中值年龄64岁。其中16例在全麻下施行检查。直肠限定为肛缘
The authors investigated the role of intraluminal ultrasonography (ELUS) in determining the local infiltration of lymph nodes and the metastasis of lymph nodes (LN) and the rate of ELN-guided LN biopsy. The pelvic organ infiltrates determined by ELUS to local recurrence of rectal cancer were compared with CT findings. All patients were examined by ultrasound. A rotatable handheld intracavity probe equipped with a 7.0-MHz or 10.0-MHz sensor is placed on the tumor at a diameter of 20-mm in a special proctoscope and placed 3 to 5 cm across the rectum and surrounding tissues. Female patients can also be placed directly into the vagina. The entire group of 81 patients, 55 males and 26 females. The median age is 64 years old. Among them, 16 cases were examined under general anesthesia. The rectum is limited to the anal margin