Basal Thumb Arthritis

Basal Thumb Arthritis: Diagnosis and Treatment; also known as thumb carpometacarpal (CMC) joint osteoarthritis, a common degenerative condition affecting the joint at the base of the thumb. They consistently describe its etiology as the wearing away of cartilage, leading to bone-on-bone friction, and highlight its higher prevalence in postmenopausal women over 40.