From: Clinicopathological characteristics of De Garengeot hernia: six case reports and literature review
De Garengeot hernia | Femoral hernia | Amyand hernia | |
---|---|---|---|
Hernia orifice | Femoral canal | Femoral canal | Internal inguinal ring or posterior of the inguinal canal |
Hernia content | Appendix | Any organ | Appendix |
Incidence | 0.15–5% in femoral hernia | < 10% of all groin hernias | 1% of inguinal hernia |
Incidence of appendicitis | 80–92.8% | – | 0.1% |
Age | Elderly | Elderly | Neonates and elderly |
Sex | Female predominant | Female predominant | Male predominant |
Blood examination | elevated WBC and CRP in case with appendicitis | not specific | WBC and CRP inconsistently associated with the status of the vermiform appendix |
CT findings | A tubular structure: (1) On the ventral and medial sides of the femoral vein, (2) Continuous with the bowel (cecum) in the abdominal cavity, (3) With a blind end | Abdominal organ on the ventral and medial sides of the femoral vein | A tubular structure on medial or lateral sides of the inferior epigastric vessels within the inguinal canal |
Surgical emergency | Often required | Often required | Inidicated if the appendicitis is preoperatively diagnosed |