Safety and usefulness of needle-guided resection of levator
muscles in laparoscopic abdominoperineal resection for low
rectal cancer

Takehito Yamamoto; Akiyoshi Kanazawa; Hiroyuki Matsubara; Takuya Okamoto

doi:10.5114/wiitm.2016.61386

eISSN: 2299-0054
ISSN: 1895-4588

Videosurgery and Other Miniinvasive Techniques

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3/2016
vol. 11

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abstract:

Original paper

Safety and usefulness of needle-guided resection of levator muscles in laparoscopic abdominoperineal resection for low rectal cancer

Takehito Yamamoto

,

Akiyoshi Kanazawa

,

Hiroyuki Matsubara

,

Takuya Okamoto

Videosurgery Miniinv 2016; 11 (3): 186–191

DOI: https://doi.org/10.5114/wiitm.2016.61386

Online publish date: 2016/07/20

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Introduction: During laparoscopic abdominoperineal resection (APR) for low rectal cancer, it is difficult to resect the levator muscles and remove a cylindrical specimen without venturing close to the rectal wall to ensure negative circumferential resection margins (CRM). To solve this problem, we developed a needle-guided, laparoscopic, abdominoperineal resection (LAPR) technique.

Aim: To present the safety and superiority of our technique, “needle-guided LAPR”.

Material and methods: In 2015, we performed needle-guided LAPR in 5 patients. In brief, the procedure is performed as follows. After total mesorectum excision to the level of the levator muscles, a needle is inserted through the perineum from the dorsal side of the internal aspect of the anus toward the sacral tip. The levator muscles and fat tissue are resected laparoscopically by following the needle. After the levator muscles have been resected, the needle is followed in a similar manner to resect the specimen from the perineum, enabling easy access to the intra-abdominal space and removal of the specimen. No position change is required during the perineal operation or pelvic floor reconstruction.

Results: Mean age was 68 years and 3 patients were male. There were no intraoperative complications or conversions to open surgery. The mean operation time and intraoperative blood loss were 319 min and 131 ml, respectively. All specimens were cylindrical in shape and had negative CRM. There were no postoperative complications.

Conclusions: Needle-guided LAPR was easily and safely performed to achieve accurate resection of the levator muscles. This technique could contribute to standardization of LAPR.

keywords:

Safety and usefulness of needle-guided resection of levator muscles in laparoscopic abdominoperineal resection for low rectal cancer

Takehito Yamamoto , Akiyoshi Kanazawa , Hiroyuki Matsubara , Takuya Okamoto

abdominoperineal resection, circumferential resection margin, rectal cancer, laparoscopic abdominoperineal resection

Takehito Yamamoto

,

Akiyoshi Kanazawa

,

Hiroyuki Matsubara

,

Takuya Okamoto