In an ileal pouch-anal anastomosis, how far distally is the J-pouch from the anal canal?

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Multiple Choice

In an ileal pouch-anal anastomosis, how far distally is the J-pouch from the anal canal?

Explanation:
In an ileal pouch-anal anastomosis, a small rectal mucosal cuff is intentionally left to preserve continence while giving a stable, functional connection to the anal canal. The J-pouch is then anastomosed to the anal canal about 2 cm above the anal verge. This approximately 2 cm distance provides a balance: it leaves a short cuff to support continence and healing, while keeping the pouch at a practical reach for a secure anastomosis. A shorter distance would reduce the usable cuff and could compromise the transition zone, whereas a longer distance would create a longer cuff and potential continence or healing issues.

In an ileal pouch-anal anastomosis, a small rectal mucosal cuff is intentionally left to preserve continence while giving a stable, functional connection to the anal canal. The J-pouch is then anastomosed to the anal canal about 2 cm above the anal verge. This approximately 2 cm distance provides a balance: it leaves a short cuff to support continence and healing, while keeping the pouch at a practical reach for a secure anastomosis. A shorter distance would reduce the usable cuff and could compromise the transition zone, whereas a longer distance would create a longer cuff and potential continence or healing issues.

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