Long-term results of minimally invasive transanal surgery for rectal tumors in 249 consecutive patients.
Local excision
Minimally invasive transanal surgery
Rectal cancer
Rectal tumor
Transanal surgery
Journal
Surgery today
ISSN: 1436-2813
Titre abrégé: Surg Today
Pays: Japan
ID NLM: 9204360
Informations de publication
Date de publication:
Mar 2023
Mar 2023
Historique:
received:
22
04
2022
accepted:
27
06
2022
pubmed:
13
8
2022
medline:
3
3
2023
entrez:
12
8
2022
Statut:
ppublish
Résumé
To delineate the long-term results of minimally invasive transanal surgery (MITAS) for selected rectal tumors. We analyzed data, retrospectively, on consecutive patients who underwent MITAS between 1995 and 2015, to establish the feasibility, excision quality, and perioperative and oncological outcomes of this procedure. MITAS was performed on 243 patients. The final histology included 142 cancers, 47 adenomas, and 52 neuroendocrine tumors (NET G1). A positive margin of 1.6% and 100% en bloc resection were achieved. The mean operative time was 27.4 min. Postoperative morbidity occurred in 7% of patients, with 0% mortality. The median follow-up was 100 months (up to ≥ 5 years or until death in 91.8% of patients). Recurrence developed in 2.9% of the patients. The 10-year overall survival rate was 100% for patients with NET G1 and 80.3% for those with cancer. The 5-year DFS was 100% for patients with Tis cancer, 90.6% for those with T1 cancer, and 87.5% for those with T2 or deeper cancers. MITAS for rectal tumors ≥ 3 cm resulted in perioperative and oncologic outcomes equivalent to those for tumors < 3 cm. MITAS is feasible for the local excision (LE) of selected rectal tumors, including tumors ≥ 3 cm. It reduces operative time and secures excision quality and long-term oncological outcomes.
Identifiants
pubmed: 35962290
doi: 10.1007/s00595-022-02570-z
pii: 10.1007/s00595-022-02570-z
pmc: PMC9950212
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
306-315Informations de copyright
© 2022. The Author(s).
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