case_images: PMC3959346_01
case_images: Abdominal Computed Tomography (CT) scan showing small intestine and mesenteric fat (arrow) protruding through the superior lumbar space (Grynfeltt-Lesshaft's triangle). ES: Erector spinae muscle. LD: Latissimus dorsi muscle. EO: External oblique muscle. IO: Internal oblique muscle. TA: Transversus abdominis muscle.
case_images: AnnGastroenterol-25-64-g001.jpg
case_images: PMC3959346_01_AnnGastroenterol-25-64-g001.jpg
case_images: F1
case_images: Abdominal Computed Tomography (CT) revealed the presence of small bowel and mesenteric fat protruding through the superior lumbar space (Fig. 1), also known as the Grynfeltt-Lesshaft's triangle, located in the upper posterolateral abdominal wall.