Osteomalacia in the elbow joint may be felt as a hard bony mass under the skin at the site of the enlargement. Osteomalacia may produce pain and localized popping when the elbow joint is moved, due to friction and impact with the surrounding soft tissues caused by the osteomalacia, and may also produce friction and popping with the bone. In addition, friction between the growth and the surrounding soft tissues during movement may cause pain. Long-term friction between the hyperplasia and the surrounding tissues can lead to aseptic inflammation of local ligaments and soft tissues, resulting in pain even when inactive. Osteomalacia can cause poor joint matching and dysfunction of the elbow joint, resulting in reduced range of motion in flexion and extension and painful symptoms.