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Urinary ascites is a rare and lesser-known etiology of ascites that may mimic portal hypertension (pHTN). We present an unusual case of urinary ascites in a patient with no apparent risk factors for bladder rupture. A 56-year-old woman with an uncomplicated, remote history of abdominal surgery presented with recurring episodes of ascites of unknown etiology. Of note, she has a history of functional, chronic urinary retention due to paruresis, a phobia of public urination. She had abdominal distension on the exam. Paracentesis revealed an elevated serum-ascites albumin gradient (SAAG), concerning portal hypertension. Additionally, the ascites creatinine to serum creatinine ratio was found to be extremely elevated at over 1, and a CT cystogram ultimately revealed bladder rupture, indicating a source of urinary leakage into the peritoneal space. This case report discusses the clinical recognition of urinary ascites as a mimic of apparent portal hypertension-related ascites and appropriate management., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Zhuang et al.)