食管原发恶性黑色素瘤一例河南省医学科学研究所孙豫，赵立群患者男，６７岁。因胸骨后烧灼样疼痛，伴进行性吞噬困难月余，于１９９５年５月３０日前来就诊。内镜检查：距门齿２６～３７ｃｍ可见一巨大黑褐色肿块，表面粗糙不平，附着有大量坏死组织，遂行局部活检。内镜... A case of primary malignant melanoma of the esophagus Henan Province Institute of Medical Sciences Sun Yu, Zhao Liqun Patient Male, 67 years old. Because of post-sternal burning-like pain, with more than a month of progressive phagocytosis, she came to visit May 30, 1995. Endoscopy: A large dark-brown mass was seen from the incisors 26 to 37 cm. The surface was rough, with a lot of necrotic tissue attached, and local biopsies were performed. Endoscopy...