Presentation
History of a mass in the lower back for 4 years.
Patient Data
Lumbar hernia was suspected on ultrasonography (not shown).
A non-contrast ct study was performed. A wall posterior defect is seen in the projection of the left lumbar region in the triangle is formed medially by the quadratus lumborum, laterally by the posterior border of internal abdominal oblique muscle, and superiorly by the 12th rib (Grynfeltt-Lesshaft triangle) with fat content evoking a left superior lumbar hernia (Grynfeltt-Lesshaft hernia).
A bilateral, smaller wall defect is also seen in the controlateral triangle.
Case Discussion
A superior lumbar hernia is a rare posterolateral abdominal wall defect and herniation of abdominal contents through the superior lumbar triangle. This diagnosis should be considered in all patients with flank swelling or mass. Management is surgical.
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