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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Jia, Xiongjie Peng, Xinyu Sun, Junjie Zhang, Tao Lin, Hengxue Bai, Tianliang Zhang, Aimin |
| Abstract | Background Synchronous colorectal cancer (SCRC) is featured by the presence of multiple primary tumor lesions in a single patient at initial diagnosis. It is less common with the prevalence of approximately 3.5% among colorectal cancer (CRC). Some studies of SCRC have been performed in patients with two tumor lesions. However, SCRC cases with three or more tumor lesions were rare and remained to be investigated. Case presentation In this case report, we presented a 56-year-old male SCRC case with quadruple tumor lesions which is rarely seen in clinical practice. After laparoscopic radical resection of sigmoid carcinoma and partial rectum resection, the four tumor samples were subjected to pathological evaluation and next-generation sequencing (NGS) based genetic profiling. The four tumor lesions included two adenocarcinomas with moderate differentiation at sigmoid colon and rectum respectively, a grade 1 neuroendocrine tumor (NET) at rectum and a high-grade intraepithelial neoplasia at ascending colon. Each tumor exhibited distinct histology types and mutation profiles. After surgical resection, the patient remained disease-free after four cycles of chemotherapy with oxaliplatin and capecitabine (XELOX). Conclusions The tumor lesions in this case showed different pathological and genetic features which indicats the heterogeneity of SCRC. The genomic profilling might provide novel insights to understand SCRC at molecular level. |
| Related Links | https://bmcgastroenterol.biomedcentral.com/counter/pdf/10.1186/s12876-021-01935-x.pdf |
| Ending Page | 5 |
| Page Count | 5 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/s12876-021-01935-x |
| Journal | BMC Gastroenterology |
| Issue Number | 1 |
| Volume Number | 21 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2021-10-02 |
| Access Restriction | Open |
| Subject Keyword | Gastroenterology Internal Medicine Hepatology Synchronous colorectal cancer Quadruple Heterogeneity Next-generation sequencing Case report |
| Content Type | Text |
| Resource Type | Case study |
| Subject | Gastroenterology |
| Journal Impact Factor | 2.5/2023 |
| 5-Year Journal Impact Factor | 2.7/2023 |
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