Organomegaly involves the enlargement of body organs. Many different factors may cause such enlargement. While some causes are benign, others are more serious. Heart enlargement, liver enlargement, and spleen enlargement â called cardiomegaly, hepatomegaly, and splenomegaly, respectively â represent three examples of abnormal organ enlargement.
Thumb pain can result from damage or injury to any of the structures in your thumb, including bones, joints, tendons, nerves, muscles, blood vessels, connective tissue, skin or fingernails. The symptoms may be constant or they may vary, and they may improve or worsen with movement.
Carpal tunnel syndrome occurs when pressure is placed on the nerve, according to MayoClinic.com This pressure, which is usually due to inflammation, causes numbness in the hands and fingers, pain and weakness of the hand. The cause of carpal tunnel syndrome can be arthritis, diabetes, hormone disorders or repetitive use of the hand and wrist.