Amputation Neuroma of the Bile Ducts with Obstructive Jaundice

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Abstract
AN amputation neuroma may form from the cut ends of nerve fibers divided in the course of surgery on the biliary tree, just as it may occur elsewhere in the body. A tumor results that is not a true neoplasm but is made up of masses of interlacing axons, intermixed with scar tissue. Various observers have reported the presence of Schwann sheath cells in these amputation neuromas. The occurrence of such Schwann cells is reasonable since the afferent pain impulses from the biliary tree are carried by myelinated visceral fibers, which travel with the nonmyelinated motor autonomic nerves and eventually . . .

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