Pathologic classification of renal cell carcinoma

Many types of renal tumors, and still do not have a unified classification, according to the source of tumor, can be divided into the following nine categories: 1, from the renal parenchyma of the tumor, renal adenomas and renal cell carcinoma (also known as renal cell carcinoma); 2, from the pelvis epithelial tumors, transitional papilloma, transitional cell carcinoma, squamous cell carcinoma and adenocarcinoma; 3, kidney embryonic tissue from the tumor, nephroblastoma (Wilms tumor), embryonic carcinoma and sarcoma; 4, from the leaf tissue between the tumor, fibrous tumor, fibrosarcoma, lipoma, liposarcoma, leiomyosarcoma and leiomyoma; 5, vascular tumor from a hemangioma, lymphoma and hamartoma; 6, nerve tissue from the tumor with neuroblastoma, sympathetic blastoma; 7, the tumor from the renal capsule, fibroma, leiomyoma, lipoma, mixed tumor; 8, cysts, solitary cyst, multiple cysts, cystadenomas, dermoid cyst, cystic carcinoma; 9, metastatic tumors. Most malignant renal tumors, and poor prognosis, complex pathology, clinical mixed, with renal cell carcinoma of the most common, followed by transitional cell carcinoma of the renal pelvis and Nephroblastoma.