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 is the compression of the median nerve, the nerve that passes through your wrist. The median nerve is located on the palm side of your hand (also called the carpal tunnel). It serves your thumb and first three fingers. Carpal tunnel syndrome can occur in one or both of your hands. The compression in carpal tunnel syndrome results from swelling inside your wrist. It can cause numbness and tingling to the side of your hand near the thumb.