Knee Pain Due to Saphenous-Nerve Entrapment

Abstract
PAIN in the knee, as in other joints, can arise either from intrinsic or from extrinsic sources. The intrinsic sources include infections, disorganization of the connective-tissue complex, neoplasms and the derangements caused by trauma, one of which is the frequently overlooked traumatic prepatellar neuralgia described by Gordon.1 Extrinsic sources may exist in the musculoskeletal system, either central or peripheral to the knee. Centrally, a pathologic process in or near the hip joint can give rise to knee pain. It is believed that impulses from the obturator-nerve stimulation cause an overflow in the internuncial pool, giving rise to sensation derived from . . .

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