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Inguinal bladder herniationClinical History: 64-year-old male had an abdomen CT for possible metastasis of lung tumor. There were no urinary symptoms. Findings: Figure 1: Axial image at the level of the bladder and the perineum shows right lower part of the bladder extending into the right inguinal canal (arrow). Figure 2-3: Coronal and sagittal images of large inguinal hernia. Bladder is the only content of the hernia sac on the coronal image. The neck of the hernia sac is clearly identified on sagittal image (arrow). Diagnosis: Inguinal hernia containing bladder Discussion: Herniation of the urinary bladder into the inguinal canal is a rare entity. It is reported to be present in 1–3% of all inguinal hernias (1). There is no finding that it is congenital, so it is accepted to be an acquired pathology (2). Bladder herniation is usually asymptomatic. Cinical findings include scrotal mass, difficulty in micturition, and fluctuation in the herniated mass during micturition (3).It is usually diagnosed incidentally or due to the symptoms of the urinary system (3). The preoperative diagnosis of bladder herniations is important to prevent the possible iatrogenic trauma that can occur during surgery. As it is true with our case, computed tomography (CT) outlines all the details of herniation. Although both cystography and CT will show bladder herniation, CT gives additional information on associated bowel involvement and hydronephrosis in a single study. References / Suggested Reading: 1. Miscellaneous disorders. In: Witten DM, Myers GH, Utz DC, editors. Clinical urography: an atlas and textbook of roentgenologic diagnosis. 4th ed. Philadelphia: WB Saunders, 1977. pp. 2205– 47.
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