Glandular cystitis is a precancerous lesion that is part of bladder cancer. It is possible to develop bladder cancer from glandular cystitis, which is a metaplastic or hyperplastic lesion of the migrating epithelium that occurs in the bladder, and is a benign lesion, mostly papillary or follicular. Bladder cancer is a malignant tumor, mostly uroepithelial, but squamous cell carcinoma and adenocarcinoma are also seen. Adenoid cystitis usually occurs in females, and can also occur in children. It can present symptoms such as frequent urination, painful urination, difficulty in urination, hematuria, etc. Some patients can present mental symptoms such as anxiety and depression due to prolonged treatment. Bladder cancer is usually characterized by painless hematuria throughout the whole course of the naked eye, and is more common in men than women.