Abstract
The Spigelian hernia is a form of spontaneous lateral ventral hernia which occurs in the linea semilunaris (Spigelius' line) due to developmental or acquired weakness of fibres of the internal oblique and transversus abdominis muscles. Spigelian hernias most frequently occur at the junction of the linea semilunaris and the linea semicircularis of Douglas and therefore most commonly present as small intramural masses situated at the lateral margin of the rectus sheath approximately halfway between the umbilicus and the pubic symphysis. They most often contain omentum, rarely intestine and are frequently asymptomatic. Their presentation as a primary cause of intestinal obstruction is rare. In view of these anatomical and clinical characteristics, the pre-operative radiographic recognition of an obscure lower abdominal, paramedian mass as a Spigelian hernia may be of considerable clinical significance, particularly in the absence of an obvious defect or surgical scar in relationship to the mass. The case des...
Published Version
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