scholarly journals Pure Well-Differentiated Adenocarcinoma Is a Safe Factor for Lymph Node Metastasis in T1 and T2 Colorectal Cancer: A Pilot Study

2018 ◽  
Vol 2018 ◽  
pp. 1-9 ◽  
Author(s):  
Naohisa Yoshida ◽  
Masayoshi Nakanishi ◽  
Ken Inoue ◽  
Ritsu Yasuda ◽  
Ryohei Hirose ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Venous Invasion ◽  
Lymphatic Invasion ◽  
Clinicopathological Factors ◽  
Node Metastasis ◽  
Kappa Value ◽  
T1 And T2 ◽  
Well Differentiated

Background and Aims. Various risk factors for lymph node metastasis (LNM) have been reported in colorectal T1 cancers. However, the factors available are insufficient for predicting LNM. We therefore investigated the utility of the new histological factor “pure well-differentiated adenocarcinoma” (PWDA) as a safe factor for predicting LNM in T1 and T2 cancers. Materials and Methods. We reviewed 115 T2 cancers and 202 T1 cancers in patients who underwent surgical resection in our center. We investigated the rates of LNM among various clinicopathological factors, including PWDA. PWDA was defined as a lesion comprising only well-differentiated adenocarcinoma. The consistency of the diagnosis of PWDA was evaluated among two pathologists. In addition, 72 T1 cancers with LNM from 8 related hospitals over 10 years (2008–2017) were also analyzed. Results. The rates of LNM and PWDA were 23.5% and 20.0%, respectively, in T2 cancers. Significant differences were noted between patients with and without LNM regarding lymphatic invasion (81.5% vs. 36.4%, p<0.001), poor histology (51.9% vs. 19.3%, p=0.008), and PWDA (3.7% vs. 25.0%, p=0.015). The rates of LNM and PWDA were 8.4% and 36.1%, respectively, in T1 cancers. Regarding the 73 PWDA cases and 129 non-PWDA cases, the rates of LNM were 0.0% and 13.2%, respectively (p<0.001). Among the 97 cases with lymphatic or venous invasion, the rates of LNM in 29 PWDA cases and 68 non-PWDA were 0% and 14.7%, respectively (p=0.029). The agreement of the two pathologists for the diagnosis of PWDA was acceptable (kappa value > 0.5). A multicenter review showed no cases of PWDA among 72 T1 cancers with LNM. Conclusions. PWDA is considered to be a safe factor for LNM in T1 cancer.

scholarly journals IS A STUDY OF THE LEVEL OF CARBOHYDRATE ANTIGEN (CA 19-9) EFFECTIVE IN PATIENTS WITH COLORECTAL CANCER?

2020 ◽  
Vol 66 (5) ◽  
pp. 528-534
Author(s):  
Ye. Rybakov ◽  
Mikhail Tarasov ◽  
S. Chernyshov ◽  
Marina Sukhina ◽  
V. Charikov ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Distant Metastasis ◽  
Perineural Invasion ◽  
Serum Levels ◽  
Lymphatic Invasion ◽  
Node Metastasis ◽  
Preoperative Serum ◽  
Invasion Stage

Objective. Саrbohydrаte antigen 19-9 (CA 19-9) is the frequently used tumor marker in the clinical setting of colorectal cancer (CRC). This study was designed to investigate the correlation between preoperative serum levels of CA 19-9 (pre-CA 19-9) and the clinicopathologic factors of patients with CRC. Patients and methods. A study was performed on 482 patients with histologically diagnosed colorectal adenocarcinoma between January 2016 and December 2017, based on retrospective collected data. The clinical data such as age, sex, size of tumor, differentiation (G), depth of tumor (T), lymph node metastasis (N), distant metastasis (M), lymphatic invasion, venous invasion, perineural invasion, stage, and preoperative serum levels of CEA (pre-CEA) and pre-CA 19-9 were obtained. These patients were classified into two groups according to pre-CA 19-9 (CA 19-9 high: H37 U/mL; CA 19-9 normal: H37 U/mL). Results. Eighty five patients among 483 patients (17.6%) with CRC showed a high pre-CA 19-9. The elevationof pre-CA 19-9 was significantly associated with size of tumor > 4.5 cm (р=0.0001), higt CEA > 5ng/ml (р<0.0001), wrong differenciation of tumor (р=0.0003), depth of tumor (р<0.0001), lymph node metastasis (р<0.0001), distant metastasis (р<0.0001), lymphatic invasion (р=0.0013), vascular invasion (р<0.0001), perineural invasion (р<0.0001), stage (р<0.0001). On multivariate analysis, high pre-CA 19-9 was shown to be independently associated with depth of tumor (р=0.05), lymph node metastasis (р=0.0006). Spearman>s correlation coefficient r between REA and CA 19-9 was 0.21 (95% CI 0.13 - 0.30; p<0.0001). Conclusion. High pre-CA 19-9 in advanced colorectal cancer might provide important information to predict the depth of tumor, lymph node metastasis.

scholarly journals Left-sided location is a risk factor for lymph node metastasis of T1 colorectal cancer: a single-center retrospective study

2020 ◽  
Vol 35 (10) ◽  
pp. 1911-1919 ◽  
Author(s):  
Kenichi Mochizuki ◽  
Shin-ei Kudo ◽  
Katsuro Ichimasa ◽  
Yuta Kouyama ◽  
Shingo Matsudaira ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Sigmoid Colon ◽  
Endoscopic Resection ◽  
Lymphatic Invasion ◽  
Clinicopathological Features ◽  
Node Metastasis ◽  
Colon And Rectum ◽  
Left And Right

Abstract Purpose Although some studies have reported differences in clinicopathological features between left- and right-sided advanced colorectal cancer (CRC), there are few reports regarding early-stage disease. In this study, we aimed to compare the clinicopathological features of left- and right-sided T1 CRC. Methods Subjects were 1142 cases with T1 CRC undergoing surgical or endoscopic resection between 2001 and 2018 at Showa University Northern Yokohama Hospital. Of these, 776 cases were left-sided (descending colon to rectum) and 366 cases were right-sided (cecum to transverse colon). We compared clinical (patients age, sex, tumor size, morphology, initial treatment) and pathological features (invasion depth, histological grade, lymphatic invasion, vascular invasion, tumor budding) including lymph node metastasis (LNM). Results Left-sided T1 CRC showed significantly higher rates of LNM (left-sided 12.0% vs. right-sided 5.4%, P < 0.05) and lymphatic invasion (left-sided 32.7% vs. right-sided 23.2%, P < 0.05). Especially, the sigmoid colon and rectum showed higher rates of LNM (12.4% and 12.1%, respectively) than other locations. Patients with left-sided T1 CRC were younger than those with right-sided T1 CRC (64.9 years ±11.5 years vs. 68.7 ± 11.6 years, P < 0.05), as well as significantly lower rates of poorly differentiated carcinoma/mucinous carcinoma than right-sided T1 CRC (11.6% vs. 16.1%, P < 0.05). Conclusion Left-sided T1 CRC, especially in the sigmoid colon and rectum, exhibited higher rates of LNM than right-sided T1 CRC, followed by higher rates of lymphatic invasion. These results suggest that tumor location should be considered in decisions regarding additional surgery after endoscopic resection. Trial registration This study was registered with the University Hospital Medical Network Clinical Trials Registry (UMIN 000032733).

scholarly journals Risk Factors Associated with the Development of Metastases in Patients with Gastroenteropancreatic Neuroendocrine Tumors

2021 ◽  
Author(s):  
Shuzo Kohno ◽  
Masahiro Ikegami ◽  
Toru Ikegami ◽  
Hiroaki Aoki ◽  
Masaichi Ogawa ◽  
...  
Keyword(s):  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Neuroendocrine Tumor ◽  
Neuroendocrine Tumors ◽  
Venous Invasion ◽  
Lymphatic Invasion ◽  
World Health ◽  
Gastroenteropancreatic Neuroendocrine Tumors ◽  
Node Metastasis ◽  
Structural Problems

Neuroendocrine tumors develop from systemic endocrine and nerve cells, and their occurrence has increased recently. Since these tumors are heterogeneous, pathological classification has been based on the affected organ. In 2019, the World Health Organization introduced a change that is expected to influence neuroendocrine tumor research, as gastroenteropancreatic neuroendocrine tumors are now included within a unified classification. In this retrospective study, we aimed to investigate the characteristics (e.g., lymph node metastases, all other metastases) of gastroenteropancreatic neuroendocrine tumors using this new classification in 50 cases. Tumor size, depth, MIB-1 index, lymphatic invasion, venous invasion, and neuroendocrine tumor grade were significantly correlated with lymph node metastasis and all other metastases. Venous invasion was more strongly correlated with lymph node metastasis and all other types of metastasis than with lymphatic invasion. Identification rates for lymphatic invasion were considered lower because of structural problems such as lymphatic vessels being much thinner than veins. However, venous invasion was considered effective in compensating for the low rate of identification in cases of lymphatic invasion. In future research, a unified classification and standardized framework for assessment will be important when analyzing the characteristics of neuroendocrine tumors, and large-scale studies are required.

scholarly journals Risk Factors Associated with the Development of Metastases in Patients with Gastroenteropancreatic Neuroendocrine Tumors: A Retrospective Analysis

2021 ◽  
Vol 11 (1) ◽  
pp. 60
Author(s):  
Shuzo Kohno ◽  
Masahiro Ikegami ◽  
Toru Ikegami ◽  
Hiroaki Aoki ◽  
Masaichi Ogawa ◽  
...  
Keyword(s):  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Neuroendocrine Tumor ◽  
Neuroendocrine Tumors ◽  
Venous Invasion ◽  
Lymphatic Invasion ◽  
World Health ◽  
Gastroenteropancreatic Neuroendocrine Tumors ◽  
Node Metastasis ◽  
Structural Problems

Neuroendocrine tumors develop from systemic endocrine and nerve cells, and their occurrence has increased recently. Since these tumors are heterogeneous, pathological classification has been based on the affected organ. In 2019, the World Health Organization introduced a change expected to influence neuroendocrine tumor research, as gastroenteropancreatic neuroendocrine tumors are now included within a unified classification. This retrospective study aimed to investigate the characteristics (e.g., lymph node metastases and all other metastases) of gastroenteropancreatic neuroendocrine tumors using this new classification in 50 cases. Tumor size, depth, MIB-1 index, lymphatic invasion, venous invasion, and neuroendocrine tumor grade were significantly correlated with lymph node metastasis and other metastases. The venous invasion was more strongly correlated with lymph node metastasis and all other types of metastases than with lymphatic invasion. Identification rates for lymphatic invasion were considered lower because of structural problems such as lymphatic vessels being much thinner than veins. However, venous invasion was considered effective in compensating for the low identification rate in cases of lymphatic invasion. In future research, a unified classification and standardized framework for assessment will be important when analyzing the characteristics of neuroendocrine tumors, and large-scale studies are required.

scholarly journals High expression of ADAMTS5 is a potent marker for lymphatic invasion and lymph node metastasis in colorectal cancer

2016 ◽  
Vol 6 (1) ◽  
pp. 130-134 ◽  
Author(s):  
Naotsugu Haraguchi ◽  
Nobuyoshi Ohara ◽  
Jun Koseki ◽  
Hidekazu Takahashi ◽  
Junichi Nishimura ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Lymphatic Invasion ◽  
High Expression ◽  
Node Metastasis

scholarly journals Microenvironmental markers are correlated with lymph node metastasis in invasive submucosal colorectal cancer

2021 ◽  
Author(s):  
Tamotsu Sugai ◽  
Noriyuki Yamada ◽  
Mitsumasa Osakabe ◽  
Mai Hashimoto ◽  
Noriyuki Uesugi ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Lymph Node ◽  
Lymph Node Metastasis ◽  
Node Metastasis ◽  
Submucosal Colorectal Cancer
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