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  • Title: Combined Pubic Arch and Ischial Bone Resection for Metachronous and Frequent Local Recurrences of Rectal Cancer.
    Author: Komori K, Yoshida M, Tsukushi S, Kinoshita T, Sato Y, Ouchi A, Ito S, Abe T, Misawa K, Ito Y, Natsume S, Higaki E, Asano T, Okuno M, Fujieda H, Saito H, Narita K, Kitahara T, Hanazawa T, Ojio H, Negita M, Yasuoka H, Shimizu Y.
    Journal: Anticancer Res; 2024 Jul; 44(7):3205-3211. PubMed ID: 38925850.
    Abstract:
    BACKGROUND/AIM: Complete surgical resection with negative margins remains the cornerstone for curative treatment of rectal cancer; however, local recurrence can pose a significant challenge. Herein, we aimed to introduce a novel surgical technique for combined resection of the pubic arch and ischial bone in the context of treating recurrent rectal cancer. CASE REPORT: We present a case of a patient with a fourth local recurrence of rectal cancer, with no evidence of distant metastasis. The tumor directly invaded the posterior wall of the pubic arch. To achieve complete tumor resection, an osteotomy was performed using a thread wire saw at the bilateral pubic rami and ischial bones. Intraoperative frozen section analysis (rapid tissue examination) was conducted on tissue samples from the lateral margins of the planned osteotomy line. Samples were negative for adenocarcinoma (cancerous cells). The combined resection of the pubic arch and ischial bone was successfully performed with negative margins for adenocarcinoma, as confirmed by frozen section analysis. CONCLUSION: Mastery of the surgical technique for combined resection of the pubic arch and ischial bone may be clinically significant for achieving complete resection in cases of multiple resections for locally recurrent rectal cancer.
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