Large inguinal bladder hernias: can a preoperative diagnosis be made?

PURPOSE: Bladder hernias are asymptomatic in most cases and are found incidentally during exploration for inguinal hernia repair. The treatment of inguinal bladder hernia is either reduction or resection of the herniated bladder, followed by herniorrhaphy. We present a case series with preoperative diagnoses, along with their surgical outcomes.

METHODS: We retrospectively reviewed the medical records from a single institution over a 5-year period (2012-2017) of five patients with diagnosis of large bladder inguinal hernia. Demographics, clinical status, medical history, anatomical structure of the hernia, and surgical outcomes were all analyzed.

RESULTS: Patients' median age was 51 years (range 45-81 years). The median size of the hernial sac was 13 cm (range 8-20 cm). The diagnosis was made with computed tomography in three patients and with ultrasonography and cystography in two patients. Median length of hospital stay was 2 days (range 1-6 days), and median length of follow-up was 28 months (range 18-72 months). All patients continue to be alive and well, without hernia recurrence. The five cases are described separately along with their surgical managements.

CONCLUSION: The main objectives in treatment of inguinal bladder hernia are to preserve the voiding function and to avoid bladder injuries in a tension-free hernia repair. To our knowledge, this is the first series of cases in which all inguinal bladder hernias were diagnosed preoperatively.