| 1. | Nasopharyngeal cancer is the malignant changes in the tissues of the nasopharynx
鼻咽癌是鼻咽组织形成恶性细胞的疾病。跟西方国家比较，此癌症较常见于华南地区。 |
| 2. | The clinical presentations are characterized as the progressive enlargement of tumors and the propensity of malignant change
其临床表徵有恶性病变，迅速增长及切除后复发的特性。 |
| 3. | It is an unusual clinical presentation of speckled lentiginous nevus which must be differentiated from benign pigmented lesions due to a potential for malignant changes
此例为斑点状小痣样母斑临床上较特殊的表现，且因其有恶性变化的可能，故须与其他良性色素病灶作?别。 |
| 4. | A 30 - year - old male with a family history and present symptoms of malignant change of colonic polyps in descending colon and metastasis to virchow ' s node and the liver was presented to our hospital
经临床检查显示此病例亦有家族性大肠息肉症合并降结肠腺癌，及有肝及左上锁骨淋巴结转移。 |
| 5. | The study also found that progression of pre - malignant changes , i . e . gastric atrophy and intestinal metaplasia , is also reduced in those who had successful eradication of h . pylori
研究人员亦发现在那些胃部幽门螺杆菌感染已清除之患者，一些胃癌前徵即胃粘膜病变，如胃粘膜萎缩及肠化，其恶化速率亦放缓。 |
| 6. | Four cases were malignant , including 2 sphenoidal sinus low differentiated carcinoma , 1 adenoidocystic carcinoma , 1 inverting pallilloma with malignant change . 1 case with papillary adenoma underwent endoscopic surgery , and 5 cases underwent surgery by external approach
结果： 2例良性肿瘤中， 1例乳头状瘤治愈随访40月， 1例内翻性乳头状瘤手术后随访15月症状改善。 |
