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Guidelines for Complications of Cancer Treatment Vol VIII Part B

Guidelines for Complications of Cancer Treatment Vol VIII Part B

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Chyle Fistula after Neck DissectionIncidence Occurs in 1-5.8% patients after neck dissection. More common in radical and modified neck dissectionsthan selective neck dissections. Commonly injured during level IV nodal clearance. Most common on the left, but one fourth <strong>of</strong> all chylefistulae occur on the right side.Prevention Knowledge <strong>of</strong> anatomy <strong>of</strong> the chyle duct and its relationwith other neurovascular structures in the neck. The chyle duct may end as a leash <strong>of</strong> terminal ducts.Inadvertent damage <strong>of</strong> some may occur which goesunrecognized during surgery. It there<strong>for</strong>e is importantto address each <strong>of</strong> these during surgery. Dissection and identification <strong>of</strong> the chyle duct in everyneck dissection is not recommended. If the undamaged chyle duct is identified, it should beleft undisturbed. Serial clamping and ligation <strong>of</strong> tissue in the region <strong>of</strong>the chyle duct may prevent fistulae (LOE-5).241

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