cystovarian

例句：

1. 1. He was diagnosed with cystitis after a long period of urinary tract infection.
   他因长期尿路感染被诊断出患有膀胱炎。
2. 2. The patient's condition worsened due to the lack of proper hydration and treatment for cystitis.
   由于缺乏适当的水分补给和治疗，患者的病情恶化了。
3. 3. Cystovarian disease is often caused by bacterial infections in the urinary tract.
   膀胱炎通常由泌尿道的细菌感染引起。