Bilateral Obturator Hernia Diagnosed by Computed Tomography: A Case Report with Review of the Literature

Table 1

Hernia types with typical location and diagnostic imaging findings.

Hernia name	Location	Diagnostic imaging features
Inguinal direct	Hesselbach’s triangle	Medial to the inferior epigastric artery (MD)
Inguinal indirect	Hesselbach’s triangle	Lateral to the inferior epigastric artery (IL)
Pantaloon	Hesselbach’s triangle	Contains both direct and indirect inguinal hernias
Spigelian	Along linea semilunaris	At junction of lateral abdominal muscles and rectus sheath
Paraumbilical	Defect in the linea alba	Associated with diastasis of the rectus muscles
Femoral	Medial aspect of the femoral canal	Hernia sac with femoral vein compression
De Garengeot	Femoral canal	Contains the appendix
Amyand	Inguinal canal	Contains the appendix
Littre	Any location	Contains Meckel’s diverticulum
Richter	Any location, though usually along anterior abdominal wall	Contains only antimesenteric side of a loop of bowel
Obturator	Obturator canal through obturator foramen	Between pectineus and obturator externus muscles; often presents with incarceration
Grynfeltt-Lesshaft	Upper lumbar triangle	Location
Petit	Lower lumbar triangle	Location