肿瘤 外科学总论.pptVIP

Principles of oncology Pro. Chen Daojin Tumor is an abnormal growth of tissue resulting from uncotrolled, progressive multiplication of cells. Malignant tumors are called cancer. Latin word `carnos` means `crab` Cancer is currently main cause of death in developed and developing countries It has been estimated that more than 11million People are diagnosed with cancer every year worldwide the most common malignant tumour in China: in city ：lung cancer、stomach carcinoma、 liver cancer、intestinal cancer 、 breast cancer in country ： stomach carcinoma、 liver cancer、 lung cancer、esophagus cancer 、intestinal cancer Benign lipoma, fibroma, adenoma Malignant Carcinoma-- epithelium Sarcoma-- mesenchymal neuroblastoma nephroblastoma -- embryonal lipoma fibroadenoma  皮肤基底细胞癌 basal cell carcinoma Colon cancer sarcoma 插图－腹膜后肿瘤retroperitoneal neoplasms 隆突性皮纤维肉瘤dermatofibrosarcoma protuberans (DFSP) Benign Malignant -------------------------------------------------------- Differentiate normal anaplasia Growth rate slow hyperplasia Encapsulation yes invasive Metastasis never usual --------------------------------------------------------- DIAGNOSIS 1. History of illness most benign and early stage malignancy do not present systemic symptoms for advanced malignancy: anemia,fatigue, weight loss,weakness the warning signs of cancer A. Unusual bleeding or discharge . B. A lump. C. A sore that does not heal. D. A change in bowel or bladder habits. E.