Pathophysiology
1. Type of Ventral Hernia
2. Hernia contains peritoneal sac and extreperitoneal fat
3. Hernia of posterior lateral abdominal wall fascia
  1. Perforates through linea semilunaris
  2. Inferior and lateral to Umbilicus
    1. Edge of rectus sheath in mid-abdomen
    2. Immediately below arcuate line
4. Covering tissues
  1. Skin
  2. Subcutaneous fat
  3. External abdominal oblique muscle aponeurosis
Symptoms
1. Asymptomatic until strangulation
Signs: Strangulation
1. Examine with patient standing
2. Tender mass in abdominal wall
3. Localized to 3-5 cm above inguinal ligament
References
1. Degowin (1987) Diagnostic Examination, p. 489-96

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 5/10/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.