Case Report

Carpometacarpal Osteoarthritis Pain of the Thumb Can Be Relieved by Commercial Beverage Carbonated Water

Figure 1

“Eaton/Littler classification” and the patient’s X-ray image. (a) Eaton/littler classification classifies thumb carpometacarpal joint osteoarthritis into four grades based on radiographic images. (b) Narrowing of the joints is observed and classified as stage II.
(a)
(b)