Abstract: Renal hamartoma is one of the most common renal tumors. Most of them are benign and tend to rupture and bleed when they are large. However, there are few cases of the late pregnancy complicated with renal hamartoma hemorrhage,and pathological evidence shows malignant potential. This article reviews and analyses the diagnosis and treatment data of one case of ruptured renal hamartoma in late pregnancy, and summarizes the literature to discuss the treatment of renal hamartoma hemorrhage.

Key words: kidney neoplasms, hamartoma, pregnancy trimester, third, hemorrhage