Abstract
A 78-year-old man was seen at the hospital because of a bulge at the left inguinal region which had been there for 20 years. On physical examination a fist-sized swelling was identified at the left inguinal region. No repositioning of the swelling was observed by changing the body position. There were no spontaneous pain and tenderness. Ultrasonography of the inguinal region visualized the swelling as an irregular low echoic lesion continuing to the inguinal canal. At surgery, there existed a tumor which was yellow in color and continued to the scrotum from inguinal canal ; no apparent hernia sac was seen ; and the tumor had few influx vessels. Thus we relatively easily dissect the tumor and removed it in the vicinity of the internal inguinal region. It was diagnosed as lipoma arisen from the inguinal canal. A wide range of posterior wall of the inguinal canal became fragile after the removal, so that a direct Kugek patch was placed to reinforce. The removed material was 17×12×5cm in dimension and 600g in weight. The histopathological diagnosis was benign lipoma.
There have been some differences between domestic and foreign reports on inguinal lipomas, and they have not been well defined as yet. Further studies of the definition of the disease including therapeutic significance would be necessary.
