Spigelian

A Spigelian hernia is a hernia through the linea semilunaris, the line between the edge of the rectus muscle and the oblique muscles on the anterior abdominal wall. These hernias almost always develop in the lower part of the abdominal wall., most commonly on the right side.
Compared to other types of hernia they are rare.

Symptoms and Signs

The commonest presentation is a lump, with or without a cough impulse. The lump may disappear lying down. These hernias are small but their risk of strangulation is high. In these circumstances, the lump is irreducible and tender/painful.

Investigation

Ultrasound may be helpful but where the diagnosis is uncertain, CT usually provides the most useful information.

Treatment

Laparoscopy repair either sutured or mesh repair is the preferred treatment choice.

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