Gluteal and sciatic hernias

Sciatic hernias are rare. The hernia can pass through the greater sciatic foramen above (1) or below (2) the piriformis muscle or through the lesser sciatic foramen medial to the sciatic nerve (3).

Reproduced with permission from: Mulholland MW, Lillemoe KD. Greenfield's Surgery: Scientific Principles And Practice, Fourth Edition. Philadelphia: Lippincott Williams & Wilkins, 2006. Copyright © 2006 Lippincott Williams & Wilkins.

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