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Arch Surg. 2007;142(3):306.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Answer: Spigelian Hernia

Spigelian hernias constitute 0.1% to 0.2% of all abdominal wall hernias. Twenty percent are complicated by strangulation.¹ Spigelian hernias account for 2% of cases undergoing emergency surgery for abdominal wall hernia. However, it is rarely considered in the differential diagnosis for abdominal pain. We report a case of a giant spigelian hernia with bowel strangulation requiring bowel resection and abdominal wall repair with Surgisis mesh (Cook Medical, Inc, Bloomington, Ind).

Spigelian hernias can occur anywhere along the semilunar line, which runs parallel with the lateral edges of the rectus sheath. However, spigelian hernias most commonly occur at the level of the arcuate line. The arcuate line defines the point at which the posterior lamina of the internal oblique muscle and the aponeurosis of the transverse abdominal muscle become part of the anterior rectus sheath, leaving only the relatively thin transversalis fascia to cover the rectus abdominis posteriorly.² Spigelian hernias are . . . [Full Text of this Article]

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