Underlay mesh repair for spontaneous lumbar hernia

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Abstract
INTRODUCTION: Lumbar hernia is a rare condition with fewer than 300 cases reported in the literature. It arises through posterolateral abdominal wall defects, named the inferior triangle (Petit) and superior triangle (Grynfelt). It can be congenital or acquired, primary or secondary, peritoneal or extraperitoneal, reducible or complicated. PRESENTATION OF CASE: We report a 63 year old female patient who presented to our hospital with a reducible right superior lumbar hernia. She underwent repair with underlay mesh after inversion of the sac and had a smooth postoperative course. DISCUSSION: In contrast to the classical procedure the underlay mesh modification saved us from enlarging the defect, and was quick and associated with minimal tissue injury. CONCLUSION: Underlay mesh repair for spontaneous lumbar hernia is feasible when the defect is small.