The Symptoms of this affection are generally slow in their appearance, being sometimes months in manifesting themselves. The joint at first presents only a slight degree of swelling, which gradually increases. Pain is soon felt, mild at first, but augmenting until it becomes severe. The skin has a smooth, glistening appearance, and there is an increased amount of heat in the parts. The affected limb becomes wasted, and is sometimes permanently flexed. There is more or less fever about the body, impairment of the digestive organs, and sleeplessness. The pulse is low but quick, and night-sweats and diarrhea often appear. Under this irritation, the patient is liable to waste away and finally die.

A post-mortem examination reveals the effects of the disease upon the parts attacked. The cartilages of the joint are soft, the synovial membrane is thickened, the ligaments are inflamed and often destroyed, the synovial fluid is increased in amount, sometimes normal in appearance, at others thick and viscous. If the bones be diseased, their articular extremities may be distended and fatty matter deposited in them. The conditions depend upon the form, severity, and duration of the disease.

Synovitis may be considered under three heads; Rheumatic, Scrofulous, and Syphilitic.

Rheumatic Synovitis may arise from exposure to cold, from some injury, or from intemperance in eating. The beginning of the disease may be distinctly marked, or it may come on so gradually that the time of its commencement cannot be noted. The pain is of a dull, steady character, and less severe in the night. This form of the disease sometimes terminates favorably, but in scrofulous systems it is liable to end in the destruction of the joint. It is more common in early life, rarely occurring after the thirtieth year.

Scrofulous Synovitis, or Tuberculosis of the Knee-joint, when of a chronic character, shows a wasting of the limb, and the swelling is of a pulpy consistence. This form of the disease is more liable to occur in children, though occasionally it is met with in adults. But little pain accompanies this form, although the limb is liable to become permanently affected. In its earlier stages this disease may be checked.

Syphilitic Synovitis is the result of syphilis. The pain is more severe during the night. It, however, generally terminates unfavorably, especially in scrofulous constitutions.

The Treatment of white swelling should be both constitutional and local. Alterative medicines are indicated to purify the blood. Doctor Pierce's Golden Medical Discovery is unequaled for this purpose.

As local treatment, in the active stage of the disease, the knee-joint should be steamed, and hot fomentations applied. This should be followed by applications over the joint of solid extract of stramonium or belladonna, mixed with glycerine. The joint should be wrapped in cotton or wool to keep it uniformly warm. If there are openings about the joint, discharging pus, syringe them out once a day with Castile soap-suds, which may be improved by adding a little bicarbonate of potash (common saleratus). See that the bowels are kept regular, and that the diet is nourishing.

Cases of this disease which have been treated at the Invalids' Hotel and Surgical Institute with uniform success might be cited to the extent of filling a very large number of pages like these. When treated by a skilled specialist, this otherwise formidable and dangerous disease is readily amenable to treatment, and good and serviceable limbs can be promised, even in the extreme cases in which amputation is usually advised by general practitioners and surgeons, who desire the glory that they imagine they will receive by performing a capital operation.

RICKETS. (RACHITIS.)