Low compliance bladder plays a role in hydronephrosis in lupus cystitis: a case report.

Lupus cystitis is uncommon in patients with systemic lupus erythematosus (SLE). Lupus cystitis is usually associated with hydronephrosis. To our knowledge, it is considered to be due to distal ureteral obstruction at the ureterovesical junction. However, in a Chinese female, we found low compliance bladder played a role in hydronephrosis.