-

Periostitis deformans due to wine fluorosis.

Fluoric Arthropathies: Around joints, thick marginal osteophytes develop. In some instances, they grow to such an extent as to block joint movement ('blocking arthrosis'). The joint block can also be induced by calcification of the periarticular ligament. The most common sites of articular involvement are the hips, the sacroiliac, elbow and knee joints. In older persons, the vetebral column is commonly affected. Advanced stages of the disease show atrophy and ulceration of joint cartilage.

Liver damage in chronic fluoride intoxication

Cases of chronic fluoride intoxication due to industrial hazards are rarely reported in the medical literature. The following brief case report of chronic fluoride poisoning is of special interest because of liver involvement, a rarely described feature of the disease. It was presented to the editor in a letter by D. M. Gumprecht, M.D. of Coeur d'Alene , Idaho On October 7, 1952, J. R. S. age 32, consulted Dr. Gumprecht because of vague pain and abdominal distress, of a few days' duration, in