CASE 101 A middle-aged patient complains of a palpable abdominal wall mass. Axial noncontrast computed tomography (CT) image through the pelvis demonstrates a defect in the anterior abdominal wall, just lateral to the semilunar line. The sigmoid colon is seen herniating through this defect (Fig. 101.1). Spigelian hernia
Clinical Presentation
Radiologic Findings
Diagnosis