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.
Trauma and injury to the thumb, hand and wrist, is the most common cause for thumb swelling. Injury while playing or occupational injury to the thumb may cause swelling of thumb. Sometime an injury may cause fracture of the thumb bone. In such cases, X-ray of the thumb may be necessary to detect the fracture.