. Modern surgery, general and operative. amber of thejoint and removal of a looseor a partially separated cartilage. This operation is followed by cure withlittle or no impairment of function. Charcots disease {Tabetic Arthropathy; Charcots Joint; Neuropathic Ar-thritis).—This condition is an osteo-arthritis due to trophic disturbance, arisingin a sufferer from locomotor ataxia, and is anatomically identical with osteo-arthritis, which was described above. The knee is most apt to be attacked, andthe hip suffers more often than any joint but the knee. The condition may de-velop in the shoulder
. Modern surgery, general and operative. amber of thejoint and removal of a looseor a partially separated cartilage. This operation is followed by cure withlittle or no impairment of function. Charcots disease {Tabetic Arthropathy; Charcots Joint; Neuropathic Ar-thritis).—This condition is an osteo-arthritis due to trophic disturbance, arisingin a sufferer from locomotor ataxia, and is anatomically identical with osteo-arthritis, which was described above. The knee is most apt to be attacked, andthe hip suffers more often than any joint but the knee. The condition may de-velop in the shoulder or elbow. The smaller joints sometimes, though seldom,are involved. More than one joint may suffer. Vertebral arthropathy hasbeen observed. Ochsner (Practical Medicine Series, vol. i, 1917) sets forththe joints selected by the disease in 947 cases: Knee, 394; hip, 210; shoulder,128; foot, 89; ankle, 50; elbow, 39; hand, 16; jaw, 2; various, 19. The diseasein most cases begins acutely, often as a sudden effusion, which after a time may. Fig. 450.—Charcots joint. 732 Diseases and Injuries of the Bones and Joints disappear. In most cases, however, the joint becomes rapidly sweUing is usually very marked and is sometimes enormous. In the earlieststages it is due to periarticular edema and to articular effusion. Pain is slightor is absent, there is no constitutional involvement, and the condition is un-connected with injury. Some cases begin without this preliminary acute swell-ing, disorganization being manifest from the beginning. When disorganizationhas once begun, it continues inexorably. Bony masses form around the articularca\ity, in the ligaments, and in the cartilages. The bones and cartilages arerapidly destroyed and absorbed; fracture is apt to occur; the joint creaks andgrates; the softening and relaxation of the ligaments permit an extensive rangeof movement; great deformity ensues; dislocation is apt to occur; muscular atro-phy is decided, and pus o
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