Gan to kagaku ryoho. Cancer & chemotherapy · 2021
[A Case of Curative Resection after Neoadjuvant Chemotherapy for Locally-Advanced Sigmoid Colon Carcinoma with Urinary Bladder Invasion].
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Sato Yukihiro, Kobayashi Minoru, Karasawa Hideaki, Ichikawa Hidetaka, Kajiwara Taiki, Kohyama Atsushi, Watanabe Kazuhiro, Kamei Takashi, Ohnuma Shinobu, Unno Michiaki
Аннотация
A 56-year-old man was referred to our hospital for multidisciplinary treatment of advanced sigmoid colon carcinoma with a suspected bladder invasion. The patient received 8 courses of modified Leucovorin, fluorouracil, and oxaliplatin (mFOLFOX6)plus panitumumab as neoadjuvant chemotherapy for reliable and safe radical resection after ileostomy construction. There was a significant reduction in the tumor size following chemotherapy; hence, low anterior resection was performed. In addition, since preoperative and intraoperative findings suggested bladder invasion, a total cystectomy with ileal conduit urinary diversion was performed. The pathological diagnosis was ypT4b, N0, M0, and ypStage Ⅱc, with all surgical margins being negative. Subsequently, the patient received adjuvant chemotherapy with 4 courses of mFOLFOX6, and his condition improved with no incidence of cancer recurrence following 8 months after the operation. Neoadjuvant chemotherapy for locally advanced colon cancer is one of the effective treatments for reliable and safe radical resection.