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Fever or toxic appearance may be present if strangulation or perforation has occurred.

Tests: Diagnosis ordinarily presents no difficulties, and tests may not be needed.

Incidence and Prevalence: About 2% to 10% of the over one million abdominal surgeries performed each year result in incisional hernia (Nicks).

Incisional hernia results from the weakened condition of the superficial sheet of connective tissue that covers and joins the rectus abdominis muscles (fascial tissue called linea alba) along the surgical incision line.As a result, the tissue weakens, and the sutures cut through the tissue, including the skin.The wound eventually reopens (dehiscence), allowing the abdominal organs to bulge through the incision site.An incisional hernia usually can be identified from bulging or weakness in the area of a surgical incision.The extent of the herniation (fascial defect and identification of hernial sac) usually can be felt by hand (palpated).

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