A 37-year-old female, who had undergone a low anterior resection for lower rectal cancer, had been received chemotherapy (FOLFOX4, FOLFIRI) for 2 years because of right ovarian metastasis occurred and removed 9 months after the first operation. One month after 2 years of continued chemotherapy, progressive metastases happened to occur successively (rt lunge, left ovarium, liver, para-aortic lymphonode, Virchow lymphonode and bone). Right upper lobe pnemonectomy was performed first, then, peritonectomy, total hysterectomy with left oophorectomy and a partial resection of the small bowel were done. IRIS, as postoperative chemotherapy, performed with hepatic arterial infusion (HAI) of CPT-11 and 5- FU resulted in getting a minimal response for about 10 months. Because of the hepatic arterial thrombosis at 10 months after the previous operation, we could not continue HAI with systemic chemotherapy, that was resulted in the progresion of mutiple metastases, and that the patient died 62 months after the first surgery. Immunohistochemical analyses with MIB-1 stainning of four surgical specimens revealed 80% positive cells in the cancerous tissues.
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Ann Surg Oncol
December 2024
Department of Colon and Rectal Surgery, The University of Texas MD Anderson Cancer Center, Houston, USA.
Background: The Peritoneal Cancer Index (PCI), calculated intraoperatively, has previously yielded mixed results when correlated with computed tomography. This study aimed to quantify variation in this scoring method comparing radiologists' and surgeons' radiologic PCI (rPCI) assessment.
Methods: The rPCI of 104 patients treated at a single institution for peritoneal carcinomatosis was calculated by an abdominal radiologist and a surgeon.
Sci Rep
December 2024
Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310000, China.
Recently, neoadjuvant short-course radiation therapy (SCRT) has emerged as a valid treatment option for patients with locally advanced rectal cancer (LARC). We assessed SCRT plans using volumetric-modulated arc therapy (VMAT) with Halcyon and Infinity medical linear accelerators (Linacs) and compared the plan quality and delivery efficiency across all cases. Thirty patients who underwent preoperative SCRT for LARC at the hospital were randomly selected.
View Article and Find Full Text PDFClin Colorectal Cancer
December 2024
Department of Colon and Rectal Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX. Electronic address:
Background: Current American Joint Committee on Cancer (AJCC) staging for colorectal cancer utilizes TNM framework groups disease based on extent and provides prognostic information, ideally with a hierarchical logic. We sought to evaluate survival as a function of stage within the 8 edition AJCC staging system for colon and rectal cancer.
Methods: Patients with primary colon or rectal cancer diagnosed 2010-2016 were identified from the National Cancer Database (NCDB).
Am J Surg
December 2024
Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA. Electronic address:
Background: Main purpose of this study is to investigate impact of tumor size on risk of lymph node metastasis (LNM) in pT1-stage colorectal cancer (CRC), focusing on colon, rectosigmoid junction, and rectum.
Method: Patients diagnosed with primary pT1 CRC between 2015 and 2019 were selected from National Cancer Database, utilizing International Classification of Diseases for Oncology, Third Edition (ICD-O-3) codes. We analyzed factors influencing LNM using uni- and multivariate analysis, then isolated tumor size to study its impact on LNM.
Langenbecks Arch Surg
December 2024
Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
Background: Lateral pelvic lymph node dissection (LPND) is a challenging surgical technique with complex anatomy and narrow pelvic manipulation. The outcomes of robotic and laparoscopic surgery for LPND are still unclear.
Methods: We retrospectively reviewed 169 consecutive patients who underwent rectal cancer surgery with LPND between 2016 and 2023.
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