The TEP (totally extraperitoneal) laparoscopic inguinal hernia repair differs from TAPP (transabdominal preperitoneal) in which fundamental way?

• A TEP is only suitable for unilateral hernias; TAPP can be used bilaterally
• B TEP places mesh in the preperitoneal space without entering the peritoneal cavity; TAPP enters the peritoneal cavity and then creates a preperitoneal flap ✓
• C TEP uses a polypropylene plug; TAPP uses a flat mesh
• D TEP requires general anesthesia; TAPP can be done under spinal anesthesia

Explanation

In TEP, the surgeon works entirely within the preperitoneal space through balloon dissection without breaching the peritoneum, which reduces risk of intraperitoneal complications and avoids port-site hernia risks. In TAPP, the peritoneal cavity is entered first (3 trocars transabdominally), and a peritoneal flap is created to access the preperitoneal space for mesh placement; the peritoneum is then closed. Both can repair bilateral hernias; TEP has lower risk of bowel and visceral injury but a steeper learning curve.

Reference: Bailey & Love's Short Practice of Surgery, 27th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

Written and medically reviewed by the StethoPrep medical team.