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.
Causes. Carpal tunnel syndrome: A common cause of wrist pain is carpal tunnel syndrome. You may feel aching, burning, numbness, or tingling in your palm, wrist, thumb, or fingers. The thumb muscle can become weak, making it difficult to grasp things. Pain may extend up to your elbow.