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胃的硬癌是指弥漫浸润型胃癌。亦常使用与其类似的名称如Borrmann4型、Linitis plastica来描述相同病变。临床上一般是指“没有明显隆起与陷凹,因癌细胞广泛、弥漫地浸润,胃壁增厚、变硬的病变”。组织学上,与癌实质相比,间质量明显增加。未分化的癌细胞浸润至粘膜下层以深的胃壁组织中。其中,在原发灶形成溃疡之前,如癌细胞在粘膜下层等组织内广泛浸润,则形成革囊胃。胃的硬癌之所以引起人们注意的原因在于①难以早期诊断;②多发于年轻人,③病变进展迅速;④易发生腹膜种植性转殁,其它脏器的浸润率、淋巴结转移率较高;⑤难以判定病变范围;⑥肿瘤易复发,
Stomach hard cancer refers to diffuse invasive gastric cancer. Similar names such as Borrmann type 4 and Linitis plastica are often used to describe the same lesion. Clinically, it generally refers to “there is no obvious uplift and depression, due to extensive, diffuse infiltration of cancer cells, thickening of the stomach wall, hardened lesions.” Histologically, the interstitial mass was significantly increased compared to the cancer parenchyma. Undifferentiated cancer cells infiltrate into the submucosa in deep stomach wall tissue. Among them, before the primary lesion forms an ulcer, if the cancer cells are extensively infiltrated in the submucosa and other tissues, the urethral stomach is formed. The reason why stomach hard cancer causes people’s attention is 1 difficult to diagnose early; 2 occurs frequently in young people, 3 lesions progress rapidly; 4 prone to peritoneal implantable fistula, other organs infiltration rate, lymph node metastasis rate is higher; 5 difficult to determine the extent of disease; 6 tumors are easy to relapse,