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.
Repetitive motions can also get the tendons to flare up. In de Quervain s tendonitis, these movements irritate the tendons at the base of the thumb, causing pain between the thumb and the wrist. The area over the thumb may swell, and pain increases when you use your hand for tasks like unscrewing lids.