頻回の外科的切除を行った大腸癌の1例

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  • A CASE OF REPEATED SURGICAL RESECTIONS FOR RECURRENCE AFTER A CURATIVE OPERATION OF A COLONIC CANCER

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Owing to the slow growing biological features of colorectal cancers, recurrent lesions of large bowel malignancies are often re-resectable if found earlier.<br> A 59-year-old woman primarily suffered from a T/C cancer had been operated on five times for her consecutive recurrent cancer. And she was alive for about five years. Though she was symptomless and serum levels of tumor markers were normal, we performed regular follow-up examinations and found out all five recurrent lesions.<br> To improve the postoperative survival rate of colorectal cancers, close and intense follow-up is necessary. Furthermore, we must pick up the high risk group of recurrence to make effective and early detective follow-up. In general, prognostic factors of high risk groups are depth of invasion, histological type, lymph node metastasis, lymphatic invasion and venous invasion. In addition, we must recognize the histological type diversion at the deepest invasive area and perineural invasion as important poor prognostic factors.

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