Retroperitoneal Mass: A Typical Retroperitoneal Extension of Non-Infective Iliopsoas Bursitis in a Lupus Patient
A 42-year-old man with systemic lupus erythematosus in clinical remission presented with a onemonth history of left hip and lower back pain. He had received prednisolone, chloroquine and mycophenolate under clinical remission for 2 years. Physical examination revealed deep tenderness over lateral aspect of the left hip. Laboratory tests showed normal renal and hepatic function […]