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类癌又称嗜银细胞瘤,来源于消化道Lieberkuhn 氏隐窝的嗜银细胞(Kulchitz-ky),它同付神经节嗜铬细胞相类似,故属于内分泌肿瘤。据研究这些细胞具有胺前体吸收及脱羧作用(Amine precusor uptake decarboxylation)又称APUD 细胞,这些细胞因所在部位不同,它们的形态、组织化学、超微结构和功能都不一样,大致可以前、中、后肠三大部位来区分。前肠包括胃、十二指肠、胰、胆管等,中肠包括小肠、阑尾部位,来源于消化道肠嗜铬细胞和嗜银细胞,后肠包括结肠、直、乙肠等部位。1888年Lubarsch 首次报道本病后,1907年Obendorfer 根据其良性和两重的组
Carotenoid carcinoma, also known as arachophiloma, is derived from the pheochromocytoma (Kulchitz-ky) of the Lieberkuhn’s crypt of the digestive tract. It is similar to the paraganglioma cells and is therefore an endocrine tumor. According to the study, these cells have Amine precusor uptake decarboxylation (APUD) cells, which are different in their site, and their morphology, histochemistry, ultrastructure, and function are different. The middle and back of the intestine to distinguish between the three major parts. The foregut includes the stomach, duodenum, pancreas, bile duct, etc. The midgut includes the small intestine and the appendix, and is derived from the intestinal chromaffin cells and argil cells in the digestive tract. The posterior intestine includes the colon, straight and jejunum. After Lubarsch first reported the disease in 1888, the Obendorfer in 1907 was based on its benign and two-fold group.