[Advances in the research of gastric signet ring cell carcinoma].

印戒细胞癌 医学 印戒细胞 淋巴结 胃肠病学 内科学 癌症 肿瘤科 病理 腺癌
作者
Zhijun Xu,Yinzhi Jin,Xuedong Fang
出处
期刊:PubMed 卷期号:21 (10): 1196-1200 被引量:2
标识
DOI:10.3760/cma.j.issn.1671-0274.2018.10.022
摘要

Epidemiological studies in recent years have found that the incidence of gastric signet ring cell carcinoma (SRCC) has increased significantly. In this paper, we first reviewed cell origin and biomarkers of SRCC, and the relationship between SRCC and various pathological types of gastric cancer. The early diagnosis rate of gastric SRCC is low, which may be due to the unclear mechanism of pathology and precancerous lesions. In clinical practice, SRCC has the characteristics of low differentiation and high degree of malignancy. Most of patients with gastric cancer Borrmann IV(diffuse infiltrative type) are gastric SRCC, and their prognosis is poor. The average age of gastric SRCC was 55 to 61 years old. Besides, in female, the incidence of SRCC was significantly higher than that of non-SRCC gastric cancer. It is found that the expressions of estrogen and progesterone receptors in SRCC tissues are high. The relationship between gastric SRCC and sex hormones may be the cause of gender differences in the pathogenesis of gastric SRCC. Due to the low risk of lymph node metastasis in early SRCC, endoscopic mucosal resection and endoscopic submucosal dissection can be performed for <3 cm, submucosal invasive, medium differentiated tumors, or <3 cm, highly differentiated, ulcerative and submucosal lesions. For non-metastatic advanced gastric SRCC, surgical resection and adequate lymph node dissection should be performed owing to the high risk of lymph node metastasis. Adjuvant chemotherapy is also considered to improve the long-term prognosis of patients. Taxane therapy may be more effective in gastric SRCC. Recent data show that gastric SRCC and diffuse gastric cancer are more sensitive to mitomycin C, doxorubicin and docetaxel than intestinal type gastric cancer, but are not sensitive to fluorouracil and cisplatin. These treatment perspectives still need to be confirmed in future studies.
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