Urinary Frequency and Polydipsia Mimicking Diabetes Mellitus: Obesity-Related Secondary Focal Segmental Glomerulosclerosis with Concurrent Overactive Bladder — A Case Report
This case report describes a young obese man whose urinary frequency and polydipsia initially mimicked diabetes mellitus but were ultimately diagnosed as concurrent obesity-related secondary focal segmental glomerulosclerosis and overactive bladder, highlighting the critical need to differentiate adaptive renal pathology from metabolic disease to avoid unnecessary immunosuppression.